runtime

`fatal error: runtime: mcall called on m->g0 stack` while concurrently fetching /profile and /traceNeedsInvestigationcompiler/runtime

#70454 opened 1 day ago by piob-io

deprecate SetFinalizerNeedsFixcompiler/runtime

#70425 opened 2 days ago by cagedmantis

TestGoroutineProfileTrivial failuresNeedsInvestigationWaitingForInfocompiler/runtime

#70424 opened 2 days ago by gopherbot

1.23 hangs when running under qemu-user [bisected]NeedsInvestigationcompiler/runtime

#70329 opened 1 week ago by cheese

manage off-heap memory lifecycle using the garbage collectorProposal

#70224 opened 2 weeks ago by ti-mo

TestLockOSThreadExit failuresNeedsInvestigationarch-riscvcompiler/runtime

#70095 opened 3 weeks ago by gopherbot

severe performance drop for cgo calls in go1.22.5 [1.23 backport]CherryPickCandidatecompiler/runtime

#69988 opened 4 weeks ago by gopherbot

stack break at s file make me can not find out error sourceNeedsInvestigationWaitingForInfocompiler/runtime

#69920 opened 1 month ago by epowsal

unexpected return pc for runtime cacheSpan [...]NeedsInvestigationWaitingForInfocompiler/runtime

#69899 opened 1 month ago by karalabe

provide a way to opt in to stack trace printing for process-terminating signals in secure-mode binaries on Unix OSesFeatureRequestNeedsInvestigationcompiler/runtime

#69868 opened 1 month ago by cespare

use .openbsd.randomdata for startupRandNeedsFixOS-OpenBSDcompiler/runtimehelp wanted

#69781 opened 1 month ago by FiloSottile

New runtime.Chain API to emit only a call chain from the callee goroutineProposal

#69648 opened 1 month ago by i3d

make `injectglist` starting spinning mNeedsInvestigationPerformancecompiler/runtime

#69621 opened 1 month ago by jayantxie

significant heap profiler memory usage increase in Go 1.23NeedsInvestigationcompiler/runtime

#69590 opened 1 month ago by nsrip-dd

TestGdbAutotmpTypes failuresNeedsInvestigationcompiler/runtimehelp wanted

#69527 opened 2 months ago by gopherbot

"some test left a core file behind" failureNeedsInvestigationcompiler/runtime

#69457 opened 2 months ago by gopherbot

panic not generating a correct backtrace stack while crashing in cgo on ARM64 platformNeedsInvestigationarch-arm64compiler/runtimehelp wanted

#69438 opened 2 months ago by miles-byted

"traceback did not unwind completely" during preempt during strings_test initNeedsInvestigationOS-NetBSDcompiler/runtimehelp wanted

#69389 opened 2 months ago by gopherbot

checkmarks found unexpected unmarked objectNeedsInvestigationcompiler/runtime

#69377 opened 2 months ago by MikeMitchellWebDev

crash when ending checkmarksNeedsInvestigationcompiler/runtime

#69376 opened 2 months ago by MikeMitchellWebDev

non-preemptible zeroing in clear, append, bytes.growSlice, etcNeedsInvestigationPerformancecompiler/runtime

#69327 opened 2 months ago by rhysh

consider removing osyield call from lock2NeedsInvestigationPerformancecompiler/runtime

#69268 opened 2 months ago by rhysh

build fails when run via QEMU for linux/amd64 running on linux/arm64GoCommandNeedsInvestigationcompiler/runtime

#69255 opened 2 months ago by myitcv

implement procyield as ISB instruction on arm64NeedsInvestigationPerformancearch-arm64compiler/runtime

#69232 opened 2 months ago by rhysh

mapassign_fast64ptr crashes in mallocNeedsInvestigationToolscompiler/runtimegoplsgopls/telemetry-wins

#69151 opened 2 months ago by adonovan

binaries should fail at startup when built with a GOARM64 version not supported on the runtime hardwareFixPendingNeedsFixarch-arm64compiler/runtime

#69124 opened 2 months ago by cespare

missing stack trace on Android crashNeedsInvestigationcompiler/runtimehelp wantedmobile

#69101 opened 2 months ago by xcolwell

gccheckmark does nothing?NeedsInvestigationcompiler/runtime

#69074 opened 2 months ago by MikeMitchellWebDev

frame pointer stored past the stack pointer on arm64, resulting in inaccurate backtraces in LLDBNeedsInvestigationarch-arm64compiler/runtime

#69032 opened 3 months ago by smoofra

consider using batched shuffle in selectgoNeedsInvestigationPerformancecompiler/runtimehelp wanted

#68933 opened 3 months ago by josharian

use `tophash == emptyRest` to decrease search times in `mapaccess1_faststr` and `mapaccess2_faststr`NeedsDecisionPerformancecompiler/runtime

#68912 opened 3 months ago by yuanjize

confusing panic on parallel calls to yield functionNeedsInvestigationcompiler/runtime

#68897 opened 3 months ago by hauntedness

SIGSEGV in preemptone (riscv64)NeedsInvestigationToolsarch-riscvcompiler/runtimehelp wanted

#68862 opened 3 months ago by gopherbot

TestCgoCallbackGC failuresNeedsInvestigationarch-riscvcompiler/runtimehelp wanted

#68800 opened 3 months ago by gopherbot

spurious SIGSEGV in systemstack()NeedsInvestigationcompiler/runtime

#68632 opened 3 months ago by mrwonko

add `GetEntryInfo` functionProposal

#68583 opened 3 months ago by timandy

problem with preemption on windows arm32NeedsInvestigationOS-Windowsarch-armcompiler/runtimehelp wanted

#68552 opened 4 months ago by wmjb

stalls under Rosetta2 with MacOS 14.5 NeedsInvestigationcompiler/runtime

#68485 opened 4 months ago by flostadler

TestUserArena failuresNeedsInvestigationcompiler/runtime

#68431 opened 4 months ago by gopherbot

findrunnableGCWorker consumed much higher CPU under 64c AWS instance (ARM64), comparing to 32cNeedsInvestigationcompiler/runtime

#68399 opened 4 months ago by innerr

use getrandom(2) for readRandomNeedsFixcompiler/runtimehelp wanted

#68278 opened 4 months ago by apocelipes

fatal error stack traces are swallowed for binaries with elevated privilegesNeedsInvestigationcompiler/runtime

#68103 opened 5 months ago by ronanj

concurrent map iter+write fatal doesn't respect GOTRACEBACKNeedsInvestigationcompiler/runtime

#68019 opened 5 months ago by bradfitz

consider CNTVCT_EL0 to implement cputicks on ARM64NeedsInvestigationPerformancearch-arm64compiler/runtime

#67937 opened 5 months ago by rhysh

`linux/s390x` `ThreadSanitizer failed to allocate 0x7e0000 (8257536) bytes at address 900000180000 (errno: 12)` in QEMUNeedsInvestigationarch-s390xcompiler/runtimehelp wanted

#67881 opened 5 months ago by tamird

performance degradation on tip on high core count machinesNeedsInvestigationcompiler/runtime

#67858 opened 5 months ago by JacobOaks

performance degradation on tip that disappears when traced/profiledNeedsInvestigationcompiler/runtime

#67857 opened 5 months ago by JacobOaks

enable leak sanitizer in GoFeatureRequestNeedsInvestigationcompiler/runtime

#67833 opened 5 months ago by znkr

sync fatal error swallows panic messageNeedsFixcompiler/runtime

#67792 opened 5 months ago by rsc

add option to specify seed for `globalRand`Proposalcompiler/runtime

#67690 opened 5 months ago by asubiotto

memhash: use simple loop for short strings NeedsInvestigationPerformancecompiler/runtime

#67619 opened 6 months ago by adonovan

add AddCleanupProposalProposal-Acceptedcompiler/runtime

#67535 opened 6 months ago by mknyszek

surface silent panic-recoversProposal

#67243 opened 6 months ago by r-hang

`-race` should report the allocation site of the object involved in the data raceProposal

#67221 opened 6 months ago by chabbimilind

detect calls to fork in C code (by observing PID change after cgocall return)Proposal

#67174 opened 6 months ago by upsampled

fatal error: mcall called on m->g0 stack on WindowsNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#67108 opened 6 months ago by RichieSams

use QueryPerformanceCounter in time.Now on Windows to improve time resolutionNeedsInvestigationOS-WindowsPerformancecompiler/runtime

#67066 opened 6 months ago by egonelbre

correct attribution of internal mutex contentionNeedsFixcompiler/runtime

#66999 opened 7 months ago by rhysh

SIGILL on netbsd-arm64NeedsInvestigationcompiler/runtimehelp wanted

#66926 opened 7 months ago by gopherbot

use frame pointer unwind to get backtrace in goroutine profileFeatureRequestNeedsFixPerformancecompiler/runtime

#66915 opened 7 months ago by zdyj3170101136

TestMemoryLimitNoGCPercent failuresNeedsInvestigationcompiler/runtime

#66893 opened 7 months ago by gopherbot

an http.Handler that implements 'go tool trace' in processProposal

#66843 opened 7 months ago by adonovan

don't enable process-wide long path support on WindowsOS-WindowsProposalcompiler/runtime

#66560 opened 7 months ago by qmuntal

2.04% regression in Tile38QueryLoad p50-latency-sec at 24070cfNeedsInvestigationPerformancecompiler/runtime

#66300 opened 8 months ago by mknyszek

TestNetpollDeadlock failuresNeedsInvestigationcompiler/runtime

#66275 opened 8 months ago by gopherbot

crash during generating CPU profileNeedsInvestigationcompiler/runtime

#66194 opened 8 months ago by secDre4mer

TestCrashWhileTracing failuresNeedsInvestigationcompiler/runtime

#65890 opened 9 months ago by gopherbot

allow preemption-disable around critical sectionNeedsDecisionPerformancecompiler/runtime

#65874 opened 9 months ago by donovanhide

investigate replacing per-thread CLOCK_THREAD_CPUTIME_ID with per-process CLOCK_PROCESS_CPUTIME_IDNeedsInvestigationcompiler/runtime

#65856 opened 9 months ago by prattmic

clarify statement on g object memory lifetimeDocumentationNeedsDecisioncompiler/runtimehelp wanted

#65843 opened 9 months ago by minkj1992

traceback: unexpected SPWRITE function msancall/asancallNeedsFixcompiler/runtimehelp wanted

#65841 opened 9 months ago by mauri870

TestReadMetricsCumulative failures in mayMoreStackPreempt modeNeedsInvestigationcompiler/runtime

#65821 opened 9 months ago by gopherbot

invalid crash stack for morestackc unwind on arm64 macNeedsFixcompiler/runtime

#65730 opened 9 months ago by rsc

stronger affinity between G ↔ P ↔ M ↔ CPU?NeedsInvestigationPerformancecompiler/runtime

#65694 opened 9 months ago by prattmic

CL 501976 performance and jitter regressionNeedsInvestigationPerformancecompiler/runtime

#65647 opened 9 months ago by JetSetIlly

SIGSEGV after performing clone(CLONE_PARENT) via C constructor prior to runtime startNeedsInvestigationcompiler/runtime

#65625 opened 9 months ago by lifubang

execLock might deadlock on darwin/iosNeedsInvestigationOS-Darwincompiler/runtime

#65587 opened 9 months ago by rsc

go test -race on FreeBSD with ASLR reports ok without running any testNeedsInvestigationRaceDetectorcompiler/runtimehelp wanted

#65425 opened 9 months ago by xiaq

TestSegv failures with `schedule: holding locks`NeedsInvestigationcompiler/runtime

#65416 opened 9 months ago by gopherbot

array index not starting at 0 in memstats.PauseNs on windowsNeedsFixcompiler/runtime

#65414 opened 9 months ago by MikeMitchellWebDev

move internals to `internal/runtime`NeedsFixcompiler/runtime

#65355 opened 9 months ago by prattmic

TestPingPongHog failuresNeedsInvestigationcompiler/runtime

#65293 opened 10 months ago by gopherbot

103

explicitly allow pinning of strings and slicesProposal

#65286 opened 10 months ago by mknyszek

TestReadMetricsCumulative failuresNeedsInvestigationcompiler/runtime

#65282 opened 10 months ago by gopherbot

gcControllerState.heapLive from mgcpacer.go inconsistent with gc-guide's Live Heapcompiler/runtime

#65195 opened 10 months ago by smiletrl

scheduler sometimes starves a runnable goroutine on wasm platformsNeedsInvestigationarch-wasmcompiler/runtime

#65178 opened 10 months ago by bcmills

TestGdbBacktrace failuresNeedsInvestigationcompiler/runtimehelp wanted

#65176 opened 10 months ago by gopherbot

SIGQUIT crash loop + startm race condition deadlockNeedsDecisioncompiler/runtime

#65138 opened 10 months ago by prattmic

epoll scalability problem with 192 core machine and 1k+ ready socketsNeedsInvestigationOS-LinuxPerformancecompiler/runtime

#65064 opened 10 months ago by prattmic

print columns (not just lines) in panic messagesProposalcompiler/runtime

#65060 opened 10 months ago by komuw

memory corruption on `android-arm-corellium`BuildersNeedsInvestigationOS-Androidarch-armcompiler/runtime

#64938 opened 10 months ago by bcmills

add fast paths for common `select` patternsNeedsInvestigationPerformancecompiler/runtime

#64900 opened 10 months ago by CAFxX

deadlock while all goroutines are "IO wait"NeedsInvestigationcompiler/runtime

#64894 opened 10 months ago by vincentbernat

smoother growth rate transition yields great resultsNeedsInvestigationPerformancecompiler/runtime

#64877 opened 10 months ago by shoham-b

trace2: some stacks don't skip tracer's own framesNeedsInvestigationcompiler/runtime

#64862 opened 11 months ago by dominikh

rare stack corruption on Go 1.20 and laterNeedsInvestigationcompiler/runtime

#64781 opened 11 months ago by klauspost

staticlockranking builders failing on release branches on LUCINeedsFixcompiler/runtime

#64722 opened 11 months ago by prattmic

online slice/map pre-sizingNeedsInvestigationPerformancecompiler/runtime

#64703 opened 11 months ago by prattmic

add a default, non-destructive signal handler that creates a stack dumpProposal

#64687 opened 11 months ago by kgibm

frequent TestCrashDumpsAllThreads failures on `linux/s390x`NeedsInvestigationarch-s390xcompiler/runtimehelp wanted

#64650 opened 11 months ago by bcmills

182

redundant allocation after type assertionNeedsInvestigationPerformancecompiler/runtime

#64541 opened 11 months ago by AlexanderYastrebov

`Caller` can return `<autogenerated>` as filename when called from a global variableNeedsInvestigationcompiler/runtime

#64520 opened 11 months ago by pgimalac

test timeouts on ios-arm64-corelliumNeedsInvestigationOS-iOSarch-arm64compiler/runtime

#64459 opened 11 months ago by mknyszek

~5% regression in ParallelizeUntil/pieces:1000,workers:10,chunkSize:1-8 sec/op at 450ecbeNeedsInvestigationPerformancecompiler/runtime

#64455 opened 11 months ago by rhysh

unexpected DLL loading behaviorNeedsFixOS-WindowsSecuritycompiler/runtime

#64411 opened 11 months ago by rolandshoemaker

race support for riscv64NeedsDecisionRaceDetectorarch-riscvcompiler/runtime

#64345 opened 1 year ago by mauri870

segfaults on loong64NeedsInvestigationarch-loong64compiler/runtime

#64134 opened 1 year ago by gopherbot

add custom types and constants for GOOS, GOARCHProposal

#64046 opened 1 year ago by Nasfame

implement WASM-GCFeatureRequestNeedsInvestigationarch-wasmcompiler/runtime

#63904 opened 1 year ago by mihaiav

PanicNilError error string should have "runtime error: " prefixNeedsDecisioncompiler/runtime

#63813 opened 1 year ago by Goclipse27

fatal error: checkdead: runnable gNeedsInvestigationcompiler/runtime

#63761 opened 1 year ago by Mr1X

timeouts in TestSUIDNeedsInvestigationcompiler/runtimehelp wanted

#63735 opened 1 year ago by gopherbot

mallocgc does not seem to need to call publicationBarrier when allocating noscan objectsNeedsInvestigationcompiler/runtime

#63640 opened 1 year ago by wbyao

frame pointer unwinding can fail on system goroutinesNeedsInvestigationcompiler/runtime

#63630 opened 1 year ago by nsrip-dd

MemStats fields should document their runtime/metrics equivalentsDocumentationNeedsInvestigationcompiler/runtime

#63424 opened 1 year ago by rhysh

TestDebugCallGrowStack failuresNeedsInvestigationcompiler/runtime

#63353 opened 1 year ago by gopherbot

a hard limit version of GOMEMLIMIT for testingFeatureRequestNeedsInvestigationProposalcompiler/runtime

#63338 opened 1 year ago by seebs

`-race` leaks memory on Go >= 1.19NeedsInvestigationRaceDetectorcompiler/runtime

#63276 opened 1 year ago by walles

TestUsingVDSO failuresNeedsInvestigationcompiler/runtime

#63108 opened 1 year ago by gopherbot

TestLargeStringConcat failuresNeedsInvestigationcompiler/runtime

#63107 opened 1 year ago by gopherbot

TestCgoCallbackGC failuresNeedsInvestigationcompiler/runtime

#63106 opened 1 year ago by gopherbot

TestNetpollWaiters failuresNeedsInvestigationcompiler/runtime

#63093 opened 1 year ago by gopherbot

TestTraceUnwindCGO failuresNeedsInvestigationcompiler/runtime

#63085 opened 1 year ago by gopherbot

TestTracebackAncestors failuresNeedsInvestigationcompiler/runtime

#63082 opened 1 year ago by gopherbot

TestSegv failuresNeedsInvestigationcompiler/runtime

#63066 opened 1 year ago by gopherbot

TestCgoCrashHandler failuresNeedsInvestigationcompiler/runtime

#63064 opened 1 year ago by gopherbot

TestDeferKeepAlive failuresNeedsInvestigationcompiler/runtime

#63060 opened 1 year ago by gopherbot

TestFakeTime failuresNeedsInvestigationcompiler/runtime

#63059 opened 1 year ago by gopherbot

TestCgoTracebackContextPreemption failuresNeedsInvestigationcompiler/runtime

#63049 opened 1 year ago by gopherbot

TestInitDeadlock failuresNeedsInvestigationcompiler/runtime

#63045 opened 1 year ago by gopherbot

TestCheckPtr failuresNeedsInvestigationcompiler/runtime

#63037 opened 1 year ago by gopherbot

TestPreemptionAfterSyscall failuresNeedsInvestigationcompiler/runtime

#63014 opened 1 year ago by gopherbot

TestGoroutineProfileTrivial failuresNeedsInvestigationcompiler/runtime

#62999 opened 1 year ago by gopherbot

TestGoroutineParallelism failuresNeedsInvestigationcompiler/runtime

#62997 opened 1 year ago by gopherbot

TestSimpleDeadlock failuresNeedsInvestigationcompiler/runtime

#62988 opened 1 year ago by gopherbot

TestNetpollWaiters failuresNeedsInvestigationcompiler/runtime

#62977 opened 1 year ago by gopherbot

TestTraceUnwindCGO failuresNeedsInvestigationcompiler/runtime

#62969 opened 1 year ago by gopherbot

TestTracebackAncestors failuresNeedsInvestigationcompiler/runtime

#62966 opened 1 year ago by gopherbot

TestSegv failuresNeedsInvestigationcompiler/runtime

#62950 opened 1 year ago by gopherbot

TestCgoCrashHandler failuresNeedsInvestigationcompiler/runtime

#62948 opened 1 year ago by gopherbot

TestDeferKeepAlive failuresNeedsInvestigationcompiler/runtime

#62943 opened 1 year ago by gopherbot

TestFakeTime failuresNeedsInvestigationcompiler/runtime

#62942 opened 1 year ago by gopherbot

TestNetpollDeadlock failuresNeedsInvestigationcompiler/runtime

#62934 opened 1 year ago by gopherbot

TestSignalIgnoreSIGTRAP failuresNeedsInvestigationcompiler/runtime

#62932 opened 1 year ago by gopherbot

TestLockOSThreadTemplateThreadRace failuresNeedsInvestigationcompiler/runtime

#62931 opened 1 year ago by gopherbot

TestNeedmDeadlock failuresNeedsInvestigationcompiler/runtime

#62928 opened 1 year ago by gopherbot

TestCallbackInAnotherThread failuresNeedsInvestigationcompiler/runtime

#62925 opened 1 year ago by gopherbot

TestCgoExecSignalMask failuresNeedsInvestigationcompiler/runtime

#62924 opened 1 year ago by gopherbot

TestProfBuf failuresNeedsInvestigationcompiler/runtime

#62892 opened 1 year ago by gopherbot

TestCgoLockOSThreadExit failuresNeedsInvestigationcompiler/runtime

#62878 opened 1 year ago by gopherbot

TestTimePprof failuresNeedsInvestigationcompiler/runtime

#62877 opened 1 year ago by gopherbot

TestGoroutineParallelism2 failuresNeedsInvestigationcompiler/runtime

#62876 opened 1 year ago by gopherbot

TestCgoExternalThreadSignal failuresNeedsInvestigationcompiler/runtime

#62871 opened 1 year ago by gopherbot

TestPanicTraceback failuresNeedsInvestigationcompiler/runtime

#62856 opened 1 year ago by gopherbot

TestVDSO failuresNeedsInvestigationcompiler/runtime

#62838 opened 1 year ago by gopherbot

TestCgoCCodeSIGPROF failuresNeedsInvestigationcompiler/runtime

#62837 opened 1 year ago by gopherbot

TestCgoSignalDeadlock failuresNeedsInvestigationcompiler/runtime

#62819 opened 1 year ago by gopherbot

TestDeferLiveness failuresNeedsInvestigationcompiler/runtime

#62816 opened 1 year ago by gopherbot

TestDeferPtrs failuresNeedsInvestigationcompiler/runtime

#62798 opened 1 year ago by gopherbot

TestSelectFairness failuresNeedsInvestigationcompiler/runtime

#62795 opened 1 year ago by gopherbot

TestCrashHandler failuresNeedsInvestigationcompiler/runtime

#62794 opened 1 year ago by gopherbot

TestAtomicAlignment failuresNeedsInvestigationcompiler/runtime

#62793 opened 1 year ago by gopherbot

TestGcArraySlice failuresNeedsInvestigationcompiler/runtime

#62785 opened 1 year ago by gopherbot

TestGCFairness2 failuresNeedsInvestigationcompiler/runtime

#62778 opened 1 year ago by gopherbot

TestCgoExternalThreadPanic failuresNeedsInvestigationcompiler/runtime

#62777 opened 1 year ago by gopherbot

TestEINTR failuresNeedsInvestigationcompiler/runtime

#62773 opened 1 year ago by gopherbot

unrecognized failuresNeedsInvestigationcompiler/runtime

#62772 opened 1 year ago by gopherbot

TestLockRankGenerated failuresNeedsInvestigationcompiler/runtime

#62764 opened 1 year ago by gopherbot

TestCheckFDs failuresNeedsInvestigationcompiler/runtime

#62756 opened 1 year ago by gopherbot

TestStackGrowth failuresNeedsInvestigationcompiler/runtime

#62752 opened 1 year ago by gopherbot

TestDebugLogBuild failuresNeedsInvestigationcompiler/runtime

#62749 opened 1 year ago by gopherbot

TestG0StackOverflow fails on iOSNeedsInvestigationOS-iOScompiler/runtime

#62671 opened 1 year ago by cherrymui

CL 460476 introduced a leak on macosNeedsInvestigationOS-Darwincompiler/runtime

#62661 opened 1 year ago by kortschak

deadlock while stopping the world (most recently openbsd/amd64)NeedsInvestigationOS-OpenBSDcompiler/runtimehelp wanted

#62541 opened 1 year ago by gopherbot

flaky failures on NetBSD since CL 526118NeedsInvestigationOS-NetBSDcompiler/runtimehelp wanted

#62524 opened 1 year ago by cherrymui

unboundedly expensive equality testingNeedsInvestigationPerformancecompiler/runtime

#62488 opened 1 year ago by seebs

optionally dump PGO profile at the program exitProposal

#62444 opened 1 year ago by zamazan4ik

documentation on runtime.Pinner and cgo slightly conflicting or confusingDocumentationNeedsInvestigationcompiler/runtime

#62380 opened 1 year ago by seebs

stack corruption on freebsd/armNeedsInvestigationOS-FreeBSDarch-armcompiler/runtimehelp wanted

#62251 opened 1 year ago by mknyszek

failures with `fatal error: traceback did not unwind completely` on `openbsd/arm64`NeedsInvestigationOS-OpenBSDarch-arm64compiler/runtimehelp wanted

#62182 opened 1 year ago by bcmills

crashes with "runtime: traceback stuck"NeedsInvestigationcompiler/runtime

#62086 opened 1 year ago by aciduck

redesign PCDATA encodingFeatureRequestNeedsFixPerformancebinary-sizecompiler/runtime

#61984 opened 1 year ago by aclements

segfaults in cross compiled binaries for solaris 11.3NeedsInvestigationOS-Solariscompiler/runtimehelp wanted

#61950 opened 1 year ago by karlik8899

data race on stack object when using arena on darwin arm64NeedsInvestigationRaceDetectorarch-arm64compiler/runtime

#61835 opened 1 year ago by 578559967

segmentation violation while adjusting stack pointerNeedsInvestigationcompiler/runtime

#61728 opened 1 year ago by WAY29

plan9/amd64 builder hangsNeedsInvestigationOS-Plan9compiler/runtimehelp wanted

#61575 opened 1 year ago by psilva261

contention in runtime.newMarkBits on gcBitsArenas.lockNeedsInvestigationPerformancecompiler/runtime

#61428 opened 1 year ago by rhysh

contention in runtime.(*mheap).freeSpan.func1 on mheap_.lockNeedsInvestigationPerformancecompiler/runtime

#61427 opened 1 year ago by rhysh

contention in runtime.gcFlushBgCredit on work.assistQueue.lockNeedsInvestigationPerformancecompiler/runtime

#61426 opened 1 year ago by rhysh

average stack size is not a fit for every applicationNeedsInvestigationcompiler/runtime

#61052 opened 1 year ago by cdvr1993

gc goroutine occasionally use 100% CPUNeedsInvestigationcompiler/runtime

#61046 opened 1 year ago by lixin1234qqq

crash/hang on startup in buildmode=c-shared amd64 DLL when run on ARM64 windows 11.NeedsInvestigationOS-Windowsarch-arm64compiler/runtime

#60996 opened 1 year ago by oddy

flag to disable runtime override of GODEBUGProposal

#60943 opened 1 year ago by dpcollins-google

`sysMemStat overflow` on linux-riscv64-unmatchedNeedsInvestigationarch-riscvcompiler/runtime

#60888 opened 1 year ago by bcmills

speed up heap allocations in loopsFeatureRequestNeedsInvestigationPerformancecompiler/runtime

#60879 opened 1 year ago by CAFxX

Getting interrupts on isolated cores (caused by simple Go app) during low-latency workNeedsInvestigationcompiler/runtimehelp wanted

#60735 opened 1 year ago by p-zak

deprecate `MemStats.Lookups`, possibly retroactively as of Go 1.11Proposal

#60714 opened 1 year ago by mknyszek

avoid unnecessary sysmon preemptionsNeedsFixcompiler/runtime

#60693 opened 1 year ago by prattmic

corruption in tests on freebsd-armNeedsInvestigationOS-FreeBSDarch-armcompiler/runtime

#60670 opened 1 year ago by mknyszek

memory corruption on darwin/amd64NeedsInvestigationOS-Darwincompiler/runtime

#60449 opened 2 years ago by gopherbot

Allow changing debug.cgocheck at runtimeProposal

#60426 opened 2 years ago by spacewander

linux/s390x test timeoutNeedsInvestigationarch-s390xcompiler/runtimehelp wanted

#60413 opened 2 years ago by mknyszek

110

TestRaceSignal failuresNeedsInvestigationcompiler/runtime

#60316 opened 2 years ago by gopherbot

significant number of bounds checks in growsliceNeedsInvestigationPerformancecompiler/runtime

#60071 opened 2 years ago by egonelbre

fatal error: timer data corruptionNeedsFixcompiler/runtime

#60050 opened 2 years ago by prattmic

parallel json benchmark leads high CPU usage when go version > 1.15 on ARM64NeedsInvestigationcompiler/runtime

#60043 opened 2 years ago by botieking98

TestSegv/SegvInCgo timeout on ios-arm64-corelliumNeedsInvestigationOS-iOScompiler/runtime

#59947 opened 2 years ago by bcmills

TestCgoExternalThreadSignal failures on iosNeedsInvestigationOS-iOScompiler/runtime

#59913 opened 2 years ago by bcmills

TestCgoTracebackSigpanic consistently times out on iosNeedsInvestigationOS-iOScompiler/runtime

#59912 opened 2 years ago by bcmills

pointer assignment in tight loop cause long STWNeedsInvestigationcompiler/runtime

#59902 opened 2 years ago by zhouguangyuan0718

support TLS slot indices over 64 on WindowsNeedsInvestigationOS-Windowscompiler/runtime

#59824 opened 2 years ago by qmuntal

system stack and heap corruption when interacting with cgo on WindowsNeedsInvestigationOS-Windowscompiler/runtime

#59724 opened 2 years ago by CannibalVox

make the proportion of CPU the GC uses based on actual available CPU time and not GOMAXPROCSNeedsInvestigationcompiler/runtime

#59715 opened 2 years ago by mknyszek

share more constantscompiler/runtime

#59670 opened 2 years ago by aclements

Expose `goid` and `gopc` in `GoroutineProfile`Proposal

#59663 opened 2 years ago by vaind

deadlock when running concurrent builds on MacOSNeedsInvestigationcompiler/runtime

#59657 opened 2 years ago by sluongng

cgo stuck because of go signal handler went into dead loop if pid=1NeedsDecisioncompiler/runtime

#59569 opened 2 years ago by cocktail828

TestMemmoveOverlapLarge0x120000 failuresNeedsInvestigationcompiler/runtime

#59448 opened 2 years ago by gopherbot

frame pointer check fails on arm64 for C-to-Go callsNeedsInvestigationcompiler/runtime

#59401 opened 2 years ago by nsrip-dd

`SIGSEGV` via go test with -race -cover and -tags netgo on alpine linux/arm64NeedsInvestigationcompiler/runtime

#59369 opened 2 years ago by GeorgeMac

TestCgoTracebackGoroutineProfile failuresNeedsInvestigationcompiler/runtime

#59351 opened 2 years ago by gopherbot

add support for the Arm’s ArmV8.5-A Memory Tagging Extension (MTE) in Go ProposalProposal-Holdcompiler/runtime

#59090 opened 2 years ago by zhangfannie

endless sigtramp in the stack of coredump generated by panic on arm64NeedsInvestigationarch-arm64compiler/runtime

#58998 opened 2 years ago by ppggff

TestGdbPython* failuresNeedsInvestigationcompiler/runtime

#58932 opened 2 years ago by gopherbot

framepointer-based stack unwinding omits memmove's calleeNeedsInvestigationcompiler/runtime

#58835 opened 2 years ago by rhysh

TestCgoTracebackSigpanic fails on android/arm64 and android/armNeedsInvestigationOS-Androidarch-armarch-arm64compiler/runtimemobile

#58794 opened 2 years ago by bcmills

post-mortem analysis of Go 1.13 runtime/mgcsweep.go fatal error ("error: non in-use span in unswept list")DocumentationNeedsInvestigationThinking

#58681 opened 2 years ago by SuoXC

calling `t.Helper()` in a goroutine logs asm file names, not the one from the call siteNeedsInvestigationcompiler/runtime

#58545 opened 2 years ago by pmalek

Go crashes in windows when creating JVM using "JNI_CreateJavaVM"NeedsInvestigationOS-Windowscompiler/runtime

#58542 opened 2 years ago by GreenFuze

eliminate the notion of a "syscall state"NeedsInvestigationcompiler/runtime

#58492 opened 2 years ago by CannibalVox

TestCgoExternalThreadPanic failures with `exit status 2`NeedsInvestigationarch-mipscompiler/runtimehelp wanted

#58278 opened 2 years ago by bcmills

lock ordering problemsNeedsInvestigationcompiler/runtime

#58277 opened 2 years ago by bcmills

allow no-escape slices of unknown capacity to be allocated to the stack more aggressivelyNeedsInvestigationPerformance

#58215 opened 2 years ago by fredbi

allocate no-escape map buckets to the stack more aggressivelyNeedsInvestigationPerformance

#58214 opened 2 years ago by fredbi

TestSegv failures with `did not see "SIGSEGV" in output`NeedsInvestigationcompiler/runtime

#57989 opened 2 years ago by gopherbot

timeouts on netbsd-arm64-bsiegert builderNeedsInvestigationOS-NetBSDcompiler/runtime

#57847 opened 2 years ago by bcmills

in core dump generated for a signal while executing C code, gdb reports a corrupt stackNeedsInvestigationcompiler/runtime

#57698 opened 2 years ago by MariappanBalraj

TestASAN fails with SEGV on unknown address on linux/riscv64NeedsInvestigationOS-Linuxarch-riscvcompiler/runtime

#57691 opened 2 years ago by zhsj

Severe performance regression since 1.18+ on iOS, when combined with XcodeNeedsInvestigationOS-Darwincompiler/runtimehelp wanted

#57651 opened 2 years ago by rayvbr

openbsd fork-exec calls exit instead of _exit in failed childNeedsInvestigationOS-OpenBSDcompiler/runtime

#57446 opened 2 years ago by rsc

hang after concurrent panic from two threads after apparent memory corruptionNeedsFixcompiler/runtime

#57420 opened 2 years ago by davepacheco

reserve address space for large slice backing stores to make slice growth cheaperFeatureRequestNeedsInvestigationcompiler/runtime

#57337 opened 2 years ago by snadrus

apparent deadlock in TestDebugCallUnsafePointNeedsInvestigationcompiler/runtime

#57311 opened 2 years ago by bcmills

support SEH stack unwinding on WindowsDebuggingOS-Windowsarch-arm64compiler/runtime

#57302 opened 2 years ago by qmuntal

diagnostics improvements tracking issueNeedsInvestigationcompiler/runtime

#57175 opened 2 years ago by mknyszek

TestThreadExhaustion core dump with maymorestack=mayMoreStackMove NeedsInvestigationcompiler/runtime

#57149 opened 2 years ago by prattmic

contention on a single channel can consume all PsNeedsInvestigationPerformancecompiler/runtime

#57070 opened 2 years ago by rhysh

investigate a hybrid memory clearing strategy based on prove resultsNeedsInvestigationPerformancecompiler/runtime

#57000 opened 2 years ago by jake-ciolek

aggressive gc assist with many goroutinesNeedsInvestigationcompiler/runtime

#56966 opened 2 years ago by nvanbenschoten

TestRecoverBeforePanicAfterGoexit2 failuresNeedsInvestigationcompiler/runtime

#56964 opened 2 years ago by bcmills

threads and their Ms aren't released promptly enough in some caseNeedsInvestigation

#56668 opened 2 years ago by mayuehit

we require pipe2 but Solaris before 11.4 reportedly does not have itNeedsInvestigationOS-Solariscompiler/runtimehelp wanted

#56499 opened 2 years ago by drook

occasional hard lockup / 100% CPU usage in go applicationsNeedsInvestigationcompiler/runtime

#56424 opened 2 years ago by ssokol

TestNeedmDeadlock failuresNeedsInvestigationcompiler/runtime

#56420 opened 2 years ago by gopherbot

Stack() calls lock against each other unnecessarily, even when single-goroutineNeedsInvestigationPerformancecompiler/runtime

#56400 opened 2 years ago by seebs

TestPreemptionAfterSyscall failuresNeedsInvestigationcompiler/runtime

#56204 opened 2 years ago by gopherbot

TestProfBuf failuresNeedsInvestigationcompiler/runtime

#56196 opened 2 years ago by gopherbot

expand capacity of map by more than 1 at a time?NeedsInvestigationPerformance

#56182 opened 2 years ago by lizthegrey

use of AddVectoredExceptionHandler on windows is ill-advisedNeedsInvestigationOS-Windowscompiler/runtime

#56082 opened 2 years ago by billziss-gh

bgsweep does not yield to netpoller-readied goroutinesNeedsInvestigationcompiler/runtime

#56060 opened 2 years ago by rhysh

add AppendNewCap to return new capacity if append is used with a given number of elementsProposal

#55978 opened 2 years ago by jan-dubsky

reuse map string key instead of allocatingNeedsInvestigationPerformancecompiler/runtime

#55930 opened 2 years ago by dsnet

TestSpuriousWakeupsNeverHangSemasleep failuresNeedsInvestigationcompiler/runtime

#55202 opened 2 years ago by gopherbot

corruption in testsNeedsInvestigationcompiler/runtime

#55167 opened 2 years ago by rsc

244

EvGoCreate for empty function may lack stackNeedsInvestigationcompiler/runtime

#55116 opened 2 years ago by dominikh

clean up export_test.goNeedsInvestigationThinkingcompiler/runtime

#55108 opened 2 years ago by aclements

signalfd is not working after shared library compiled by cgo is loadedNeedsInvestigation

#55066 opened 2 years ago by spacewander

TestMemStats failure with `insanely high value` on openbsd-amd64-68NeedsInvestigationOS-OpenBSD

#55065 opened 2 years ago by bcmills

deadlock when calling a windows DLL with a callbackNeedsInvestigationOS-Windowscompiler/runtime

#55015 opened 2 years ago by jagobagascon

c-shared builds fail to load with dlopen with musllibc: `initial-exec TLS resolves to dynamic definition`NeedsFixcompiler/runtimehelp wanted

#54805 opened 2 years ago by charleskorn

go runs into a deadlock where a panicing application never acquires the debuglock due to non-atomic unlock NeedsInvestigationcompiler/runtime

#54786 opened 2 years ago by a-milkyway

use SwissTableNeedsFixcompiler/runtime

#54766 opened 2 years ago by zhangyunhao116

128

allow short-term drop of work conservation to increase CPU efficiencyNeedsInvestigationPerformancecompiler/runtime

#54622 opened 2 years ago by prattmic

`found wrong event in p's limiter event slot` on plan9-arm and openbsd-amd64-68 since 2022-08-08NeedsInvestigationOS-OpenBSDOS-Plan9compiler/runtime

#54600 opened 2 years ago by bcmills

TestNetpollDeadlock timeout on `freebsd-amd64-race`Testingcompiler/runtime

#54591 opened 2 years ago by bcmills

higher system cpu cost by runtime.freespanNeedsInvestigationcompiler/runtime

#54517 opened 2 years ago by zdyj3170101136

scheduler testing controlsNeedsFixcompiler/runtime

#54475 opened 2 years ago by prattmic

wasm GC causes stop the world for a very long timeNeedsInvestigationPerformancearch-wasmcompiler/runtime

#54444 opened 2 years ago by mokiat

openbsd/arm fails when compiled with GOARM=5NeedsFixarch-armcompiler/runtimehelp wanted

#54305 opened 2 years ago by 4a6f656c

occasional "exit status 0xc0000005" on windows-386-2012 builderNeedsInvestigationOS-Windowscompiler/runtime

#54187 opened 2 years ago by dmitshur

shrink signal stacks with AT_MINSIGSTKSZNeedsInvestigationcompiler/runtime

#54088 opened 2 years ago by prattmic

crash in sbrk modeNeedsInvestigationcompiler/runtime

#53887 opened 2 years ago by cherrymui

use epoll_pwait2 where available for sub-millisecond timeout precision on LinuxNeedsFixPerformancecompiler/runtimehelp wanted

#53824 opened 2 years ago by ianlancetaylor

convert atomic values to runtime/internal/atomic typescompiler/runtime

#53821 opened 2 years ago by prattmic

crash on `linux-riscv64-jsing` during bootstrapBuildersNeedsInvestigationcompiler/runtime

#53721 opened 2 years ago by heschi

fatal error: bad symbol table (go1.18)NeedsInvestigationcompiler/runtime

#53705 opened 2 years ago by bayucandra

TestCgoCCodeSIGPROF failure due to hang in subprocessNeedsInvestigationcompiler/runtime

#53648 opened 2 years ago by bcmills

`runtime: out of memory` in `runtime.sysMapOS` NeedsInvestigationcompiler/runtime

#53576 opened 2 years ago by bcmills

TestNetpollBreak failures with `netpollBreak did not interrupt netpoll`NeedsInvestigationcompiler/runtime

#53434 opened 2 years ago by bcmills

TestGdbPython failure with "PC not saved" on linux-s390x-ibmNeedsInvestigationarch-s390xcompiler/runtime

#53431 opened 2 years ago by bcmills

change golang scheduler implementation to a lock-free stackNeedsInvestigation

#53398 opened 2 years ago by alphadose

`fatal: systemstack called from unexpected goroutine` testing runtime/trace on freebsd-386-12_3NeedsInvestigationcompiler/runtime

#53375 opened 2 years ago by bcmills

frequent GC related asserts seen on illumos based OSes (but only on AMD!)NeedsInvestigationOS-illumoscompiler/runtime

#53289 opened 2 years ago by jmpesp

"morestack on g0" in debugcall on android-amd64NeedsInvestigationOS-Androidcompiler/runtime

#53250 opened 2 years ago by prattmic

SIGILL on `linux-loong64-3a5000`NeedsInvestigationarch-loong64compiler/runtime

#53093 opened 2 years ago by bcmills

SIGSEGV with no other output when running `runtime` test on android-arm64-corellium since 2022-05-19NeedsInvestigationOS-Androidarch-arm64compiler/runtime

#53037 opened 2 years ago by bcmills

new goroutine launches can starve other work indefinitelyNeedsInvestigationcompiler/runtime

#52934 opened 2 years ago by rhysh

enhance map cacheline efficiency via prefetchNeedsInvestigationPerformancecompiler/runtime

#52902 opened 2 years ago by simonhf

SIGSEGV on netbsd-arm64-bsiegert during bootstrappingNeedsInvestigationOS-NetBSDarch-arm64compiler/runtime

#52678 opened 2 years ago by bcmills

improve the "best effort" of the execution tracer's CPU sample deliveryNeedsInvestigationcompiler/runtime

#52674 opened 2 years ago by rhysh

check use of osyield in signal handlersNeedsInvestigationcompiler/runtime

#52672 opened 2 years ago by rhysh

"found pointer to free object" during asyncPreempt2 on ios-arm64-corelliumNeedsInvestigationOS-Darwinarch-arm64compiler/runtimemobile

#52657 opened 2 years ago by bcmills

make underlying implementation of channels more efficient (Reference -> https://github.com/alphadose/ZenQ)NeedsInvestigationPerformance

#52652 opened 2 years ago by alphadose

`unexpected return pc for runtime.sigpanic` on openbsd-amd64-68NeedsInvestigationOS-OpenBSDcompiler/runtime

#52548 opened 2 years ago by bcmills

OOM in time_test.TestUnixMilli on solaris-amd64-oraclerelNeedsInvestigationcompiler/runtime

#52547 opened 2 years ago by bcmills

dump a summary of heap stats on OOMNeedsInvestigationcompiler/runtime

#52546 opened 2 years ago by bcmills

heap goal overrun due to scheduler delays in mark terminationNeedsInvestigationcompiler/runtime

#52433 opened 2 years ago by mknyszek

mexit leads to SIGSEGV due to g.m becoming nilNeedsInvestigationcompiler/runtime

#52394 opened 2 years ago by 4a6f656c

network read using a lot of CPUNeedsInvestigationcompiler/runtime

#52341 opened 2 years ago by vinoblade

SIGABRT ABORT, runtime.raise_trampoline.abi0 + 462 (sys_darwin_arm64.s:462) for Mac Catalyst targets running on arm64NeedsInvestigationOS-Darwinarch-arm64compiler/runtime

#52299 opened 2 years ago by CatStudioApp

process hangs after moving to Go 1.17 on WindowsNeedsInvestigationOS-Windowscompiler/runtime

#52178 opened 2 years ago by sanjayvora

Expose a function to enable GODEBUG="tracebackancestors=N" on runtime Proposal

#52093 opened 2 years ago by ysmood

`TestSegv/Segv` failure with `unexpected return pc` on `openbsd-386-68`NeedsInvestigationOS-OpenBSDarch-386

#52043 opened 2 years ago by bcmills

FuncForPC FileLine returns autogenerated instead of actual pathNeedsInvestigationcompiler/runtime

#51774 opened 2 years ago by vearutop

unexpected return pc for runtime.gopark called from 0x4NeedsInvestigationcompiler/runtime

#51707 opened 2 years ago by neo-hu

TestGdbPythonCgo fails on arm w/1.18NeedsInvestigationcompiler/runtime

#51694 opened 2 years ago by satmandu

test failure with `segmentation fault` (and no other output) on `linux-ppc64le-buildlet`NeedsInvestigationOS-Linuxarch-ppc64xcompiler/runtime

#51600 opened 2 years ago by bcmills

optimize channel filling idiomNeedsDecisionPerformancecompiler/runtime

#51553 opened 2 years ago by CAFxX

timeout in TestNoShrinkStackWhileParking on openbsdNeedsInvestigationOS-OpenBSD

#51482 opened 2 years ago by prattmic

"found pointer to free object" on aix-ppc64NeedsInvestigationOS-AIXarch-ppc64xcompiler/runtime

#51481 opened 2 years ago by bcmills

crashes with `netpollBreak write failed with 14` [EFAULT] on `openbsd-arm-jsing`NeedsInvestigationOS-OpenBSDarch-armcompiler/runtime

#51341 opened 2 years ago by bcmills

add a pointer check code to gcWriteBarrier for helping debugging zombie pointersProposal

#51276 opened 2 years ago by octobered

reduce static stack guard sizeNeedsInvestigationcompiler/runtime

#51256 opened 2 years ago by cherrymui

SIGSEGV crash on Linux in docker container, possible net/http crashNeedsInvestigationcompiler/runtime

#51113 opened 2 years ago by szuecs

clean up system call codeNeedsInvestigationcompiler/runtime

#51087 opened 2 years ago by prattmic

investigate possible Go scheduler improvements inspired by Linux Kernel's CFSNeedsInvestigationPerformancecompiler/runtime

#51071 opened 2 years ago by hnes

continuing TestSegv/SegvInCgo failures with "unknown pc"NeedsInvestigationarch-armcompiler/runtime

#50979 opened 2 years ago by bcmills

debug output for fatal signal during signal handling.NeedsDecisioncompiler/runtime

#50952 opened 2 years ago by prattmic

FreeBSD nanotime performance regression with different CPU setupsNeedsInvestigationOS-FreeBSDPerformancecompiler/runtime

#50947 opened 2 years ago by TriAnMan

TestCgoCrashHandler failure on windows-amd64-2008 with "runtime: failed to create new OS thread"NeedsInvestigationOS-Windowscompiler/runtime

#50834 opened 2 years ago by bcmills

crash in memmove on loongson 3a4000 (mips64le)NeedsInvestigationcompiler/runtime

#50728 opened 2 years ago by mei-rune

frequent ReadMemStats will cause heap_live to exceed next_gc NeedsInvestigationcompiler/runtime

#50592 opened 2 years ago by WangLeonard

Windows profilem may profile Ms after unminitNeedsFixcompiler/runtime

#50557 opened 2 years ago by prattmic

traceback throw from VDSO reachable via raw asmcgocallNeedsFixcompiler/runtime

#50504 opened 2 years ago by prattmic

print register state for all crashes (user panics, ...) NeedsInvestigationcompiler/runtime

#50294 opened 2 years ago by aktau

access violation in gentraceback on windows/386NeedsInvestigationOS-Windowscompiler/runtime

#50144 opened 2 years ago by bcmills

frequent failures with `sys: trap` on plan9/386 and plan9/amd64NeedsInvestigationOS-Plan9compiler/runtime

#50137 opened 2 years ago by bcmills

TestSignalIgnoreSIGTRAP failures on openbsdNeedsInvestigationOS-OpenBSDhelp wanted

#49725 opened 3 years ago by bcmills

"panic during panic" on plan9 buildersNeedsInvestigationOS-Plan9compiler/runtime

#49684 opened 3 years ago by bcmills

failure in `TestRaiseException` on windows-amd64-2012ExpertNeededNeedsInvestigationOS-Windows

#49681 opened 3 years ago by bcmills

Simple HTTP server causes high thread count on macOS MontereyNeedsInvestigationOS-Darwinarch-arm64compiler/runtime

#49679 opened 3 years ago by chrisprobst

introduce growbyteslice?NeedsInvestigationcompiler/runtime

#49480 opened 3 years ago by quasilyte

use MiniDumpWriteDump for GOTRACEBACK=crash on WindowsProposalProposal-Acceptedcompiler/runtime

#49471 opened 3 years ago by zx2c4

canonical 48-bit address bug in lfstackNeedsInvestigationcompiler/runtime

#49405 opened 3 years ago by Sonicadvance1

apparent deadlock in TestNoShrinkStackWhileParking on netbsd-arm64-bsiegertNeedsInvestigationOS-NetBSDarch-arm64

#49382 opened 3 years ago by bcmills

AVX512 register state clobbered by signal on macOSNeedsInvestigationOS-Darwincompiler/runtime

#49233 opened 3 years ago by vsivsi

frequent TestSegv failures since 2021-10-26NeedsInvestigationcompiler/runtime

#49182 opened 3 years ago by bcmills

debug call injection tests contain many unsafe write barriersNeedsInvestigationTesting

#49169 opened 3 years ago by mknyszek

bad crash output for synchronous signal in the VDSONeedsFixcompiler/runtime

#49156 opened 3 years ago by prattmic

initialization order within a file appears to have changedNeedsInvestigationcompiler/runtime

#49150 opened 3 years ago by cosnicolaou

optimize memmove for 1-16 MB overlapping case on AMD64NeedsInvestigationPerformancecompiler/runtime

#49058 opened 3 years ago by weishi-deng

unnecessary return in netpollNeedsInvestigationPerformancecompiler/runtime

#49026 opened 3 years ago by zhouguangyuan0718

audit lock/atomic-free accesses in pollDescNeedsInvestigationcompiler/runtime

#49008 opened 3 years ago by prattmic

SIGBUS during runtime.init when running an executable stored on GCS via gcsfuseNeedsInvestigationcompiler/runtime

#48997 opened 3 years ago by tetsuok

fatal error: stack growth after forkNeedsInvestigationcompiler/runtime

#48967 opened 3 years ago by honsunrise

fatal error: unknown caller pcNeedsInvestigationcompiler/runtime

#48921 opened 3 years ago by zhaoyiping0622

apparent deadlock in TestConcurrentReadsAfterGrowth on FreeBSDNeedsInvestigationOS-FreeBSDcompiler/runtime

#48764 opened 3 years ago by bcmills

enhance map cacheline efficiencyNeedsInvestigationPerformance

#48687 opened 3 years ago by simonhf

Error related to `runtime.open_trampoline` in darwin/arm64NeedsInvestigationcompiler/runtime

#48437 opened 3 years ago by richard-ramos

possible contention on epollwaitNeedsInvestigation

#48428 opened 3 years ago by zizon

SIGBUS in runtime.retake on freebsd-amd64-12_2NeedsInvestigationOS-FreeBSDcompiler/runtime

#48077 opened 3 years ago by bcmills

hangs on windows with golang >= 1.14NeedsInvestigationOS-Windowscompiler/runtime

#48059 opened 3 years ago by suikast42

allocation performance worse on two socket serverNeedsInvestigationcompiler/runtime

#47831 opened 3 years ago by gangdeng-intel

scavenger not freeing all possible memory on darwinNeedsInvestigationcompiler/runtime

#47656 opened 3 years ago by josharian

large initial values for GOMAXPROCS can cause runtime test failuresNeedsInvestigationcompiler/runtime

#47246 opened 3 years ago by laboger

some runtime throws print all goroutine stack dumps by defaultNeedsInvestigationcompiler/runtime

#46995 opened 3 years ago by mvdan

type-assertion on Safari/WASM sometimes generates "types from different scopes"NeedsInvestigationarch-wasmcompiler/runtime

#46895 opened 3 years ago by inkeliz

set up stack on ppc64/ppc64le to more closely match the PPC64 ABINeedsInvestigationcompiler/runtime

#46850 opened 3 years ago by laboger

"found pointer to free object" on plan9-armNeedsInvestigationOS-Plan9compiler/runtime

#46822 opened 3 years ago by prattmic

stack traces do not indicate the caller for deferred callsNeedsInvestigationcompiler/runtime

#46757 opened 3 years ago by bcmills

drop NetBSD kernel bug sysmon workaround fixed in NetBSD 9.2NeedsFixOS-NetBSDcompiler/runtime

#46495 opened 3 years ago by prattmic

unexpected failure and garbage data when c-shared Go DLL on Windows receives CtrlBreak signal concurrently with runtime initializationNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#46354 opened 3 years ago by mknyszek

misleading panic information when an unexpected signal is received running signal handlerNeedsInvestigationcompiler/runtime

#46286 opened 3 years ago by pmur

pMask index out of range errorsNeedsInvestigation

#46271 opened 3 years ago by mknyszek

SIGBUS / SIGSEGV during asmcgocallNeedsInvestigation

#46170 opened 3 years ago by bcmills

mark termination is slow to restart mutatorNeedsInvestigationPerformancecompiler/runtime

#45894 opened 3 years ago by rhysh

"morestack on g0" on freebsd-386NeedsInvestigationOS-FreeBSDcompiler/runtime

#45887 opened 3 years ago by bcmills

stacktrace for deferred code which panics is too subtle for meNeedsInvestigationcompiler/runtime

#45794 opened 3 years ago by seebs

GOEXPERIMENT to add two non-pointer words to iface/efaceNeedsInvestigationhelp wanted

#45494 opened 3 years ago by zephyrtronium

support for system callbacks with float arguments on WindowsNeedsFixOS-Windows

#45300 opened 3 years ago by emarj

performance of map[string(bytes)]++NeedsDecisioncompiler/runtime

#45021 opened 3 years ago by egonelbre

crosscompiled to AIX/ppc64 not working in IBMi PASE (AIX7.2) due to "not in usable address space"NeedsInvestigationcompiler/runtime

#45017 opened 3 years ago by rfx77

GODEBUG=efence=1 causes panic during build on M1NeedsInvestigationarch-arm64compiler/runtime

#44993 opened 3 years ago by bartgrantham

enable random stack relocation DebuggingNeedsFix

#44949 opened 3 years ago by JAicewizard

"fatal error: runtime: pipe failed" on macOS Big SurNeedsInvestigationcompiler/runtime

#44941 opened 3 years ago by VojtechVitek

"found pointer to free object" on solaris-amd64-oraclerelNeedsInvestigationOS-Solariscompiler/runtime

#44902 opened 3 years ago by bcmills

2-3x memory usage when running in container increase in 1.16 vs 1.15 (MADV_DONTNEED related)NeedsInvestigationcompiler/runtime

#44554 opened 3 years ago by pitr

unactionable "runtime: failed to create new OS thread (13)" error messages during Chromium buildNeedsFixOS-Windowscompiler/runtimehelp wanted

#44093 opened 3 years ago by randomascii

fatal error: invalid runtime symbol table. runtime: panic before malloc heap initializedNeedsInvestigationcompiler/runtime

#43969 opened 3 years ago by abhi-m-simformsolutons

Crash in autogenerated function NeedsInvestigationcompiler/runtime

#43934 opened 3 years ago by hagarjibm

panics and/or deadlocks on FreeBSD 12.2-RELEASENeedsInvestigationOS-FreeBSDcompiler/runtime

#43873 opened 3 years ago by problame

deadlock at _cgo_wait_runtime_init_done in LD_PRELOAD soNeedsInvestigationcompiler/runtime

#43836 opened 3 years ago by james-li

enable scheduler randomization independent of the race detectorFeatureRequestNeedsInvestigationcompiler/runtime

#43794 opened 3 years ago by josharian

helloworld net/http asks 700MB VSS on mips32NeedsInvestigationcompiler/runtime

#43699 opened 3 years ago by laoshaw

heap, allocs, block, and mutex profiles truncate stacks at 32 framesNeedsDecisioncompiler/runtime

#43669 opened 3 years ago by aclements

TestCallbackInAnotherThread timeout on windows-arm-zx2c4NeedsInvestigationOS-Windowscompiler/runtime

#43668 opened 3 years ago by bcmills

unexpected return pc for runtime.sigpanic called from 0x1NeedsInvestigationcompiler/runtime

#43496 opened 3 years ago by egonelbre

os/exec fatal error: all goroutines are asleep - deadlock! on mips64NeedsInvestigationcompiler/runtime

#42825 opened 4 years ago by jgbooks

ill-fated GC outcome in spiky/bursty scenariosGarbageCollectorNeedsInvestigationcompiler/runtime

#42805 opened 4 years ago by raulk

Running two go program with 1GB mem GC not releases free package variable memNeedsInvestigationcompiler/runtime

#42780 opened 4 years ago by wasmup

efence=1 and cgocheck=2 are not mutually compatibleNeedsInvestigationcompiler/runtime

#42724 opened 4 years ago by bradfitz

work.cycles should consider integer overflowNeedsDecisioncompiler/runtime

#42664 opened 4 years ago by qingyunha

using AVX-512 instruction without supporting CPUID flag(s) on MacOS hangs the Go runtimeNeedsInvestigationOS-Darwincompiler/runtime

#42649 opened 4 years ago by vsivsi

Goexit doesn't crash the programNeedsInvestigationcompiler/runtime

#42505 opened 4 years ago by fxrlv

TestCrashDumpsAllThreads fails on various openbsd architecturesNeedsInvestigationOS-OpenBSDcompiler/runtime

#42464 opened 4 years ago by 4a6f656c

GC pacer problems meta-issueNeedsInvestigationPerformancecompiler/runtimeumbrella

#42430 opened 4 years ago by mknyszek

"out of memory allocating heap arena map" on solaris-amd64-oraclerelNeedsInvestigationcompiler/runtime

#42359 opened 4 years ago by bcmills

difficult to find memory leak that is a result lots of defers in a hot loopNeedsInvestigationcompiler/runtime

#42357 opened 4 years ago by leighhopcroft

'unexpected fault address 0x0' in crypto/sha256.blockGeneric on linux/mips64leNeedsInvestigationcompiler/runtime

#42229 opened 4 years ago by XiaodongLoong

deadlock at _cgo_wait_runtime_init_doneNeedsInvestigationOS-Windowscompiler/runtime

#42190 opened 4 years ago by tungnh28

implicit allocations allowed in the runtimeFeatureRequestNeedsInvestigationcompiler/runtime

#42158 opened 4 years ago by randall77

debugCheckBP = true crashes compiler compilation on WindowsNeedsInvestigationOS-Windowscompiler/runtime

#41995 opened 4 years ago by egonelbre

heap pageAlloc.searchAddr strategy may be wrongNeedsInvestigationcompiler/runtime

#41989 opened 4 years ago by dreamerjackson

selectgo need not lock all the channels involved in the select NeedsInvestigationPerformancecompiler/runtime

#41948 opened 4 years ago by dreamerjackson

lack of checking of pointer returned by sysAllocNeedsInvestigationcompiler/runtime

#41827 opened 4 years ago by michalderkacz

add per-goroutine CPU statsProposal

#41554 opened 4 years ago by asubiotto

occasional "exit status -1073741819" on windows-386-2008 builderNeedsInvestigationOS-Windowscompiler/runtime

#41450 opened 4 years ago by bcmills

bad "deadlock" fatal error when there are pending finalizersNeedsInvestigationcompiler/runtime

#41362 opened 4 years ago by mdempsky

process crash instead of panic on SIGBUS with SetPanicOnDefault(true)NeedsFixcompiler/runtimehelp wanted

#41155 opened 4 years ago by florisch

TestPreemptionAfterSyscall is flaky on Plan 9NeedsInvestigationOS-Plan9Testing

#41015 opened 4 years ago by bcmills

bad p & random crashes since 1.14 on linux 3.18.11NeedsInvestigationOS-Linux

#40722 opened 4 years ago by gwillem

lock held checkingNeedsFixcompiler/runtime

#40677 opened 4 years ago by prattmic

usleep does not check for early wakeupNeedsInvestigation

#40653 opened 4 years ago by ruyi789

gcc_libinit.c _cgo_try_pthread_create 'EAGAIN' undeclaredNeedsInvestigationcompiler/runtime

#40617 opened 4 years ago by kazmccullum

merge workarounds to false deadlocksNeedsFixcompiler/runtime

#40518 opened 4 years ago by prattmic

unexpected return pc for runtime.asmstdcallNeedsInvestigationOS-Windowscompiler/runtime

#40469 opened 4 years ago by chalkwu

goroutines may allocate beyond the hard heap goalNeedsFixcompiler/runtime

#40460 opened 4 years ago by mknyszek

fatal error: checkdead: inconsistent countsNeedsInvestigationcompiler/runtime

#40434 opened 4 years ago by prattmic

unexpected return pc for runtime.NeedsInvestigationOS-Windowscompiler/runtime

#40401 opened 4 years ago by chalkwu

select: fatal error: index out of rangeNeedsInvestigationcompiler/runtime

#40397 opened 4 years ago by prestonvanloon

reducing preemption in suspendG when G is running large nosplit functionsNeedsInvestigationPerformancecompiler/runtime

#40229 opened 4 years ago by shawndx

darwin using -buildmode=c-shared so got runtime: unexpected return pc for runtime.sigpanic called from 0x41e745aNeedsInvestigationOS-Darwincompiler/runtime

#40131 opened 4 years ago by wangzz719

deprecate SetCPUProfileRate and replace body with panicNeedsFixcompiler/runtime

#40094 opened 4 years ago by rsc

libunwind is unable to unwind CGo to Go's stackNeedsInvestigationcompiler/runtime

#40044 opened 4 years ago by steeve

idle GC interferes with auto-scalingNeedsDecisioncompiler/runtime

#39983 opened 4 years ago by aclements

unnecessary heap allocations when `range`ing over an empty arrayNeedsInvestigationPerformancecompiler/runtime

#39668 opened 4 years ago by kallsyms

SIGSEGV during sigpanic in TestCgoCallbackGC on netbsd-386-9_0 builderNeedsInvestigationOS-NetBSDcompiler/runtime

#39595 opened 4 years ago by bcmills

fixup darwin/arm64 framepointer assemblyNeedsFixarch-arm64compiler/runtime

#39524 opened 4 years ago by eliasnaur

add race detector for ios/arm64NeedsInvestigationcompiler/runtime

#39521 opened 4 years ago by steeve

segfault during conservative scan of asynchronously preempted goroutineNeedsInvestigationcompiler/runtime

#39499 opened 4 years ago by jamesl33

"morestack on g0" in TestSegv on darwin-amd64 buildersNeedsInvestigationOS-Darwincompiler/runtime

#39457 opened 4 years ago by bcmills

read-only accessor for gcpercentFeatureRequestNeedsInvestigationcompiler/runtime

#39419 opened 4 years ago by bsiegert

“unknown pc” exception for amd64 programs on Windows 7 with EMET and Export Address Table Access Filtering enabledExpertNeededNeedsInvestigationOS-Windowscompiler/runtime

#39410 opened 4 years ago by merces

OOM when runing in sparse available memory systemNeedsInvestigation

#39400 opened 4 years ago by jeremyshisong

"fatal error: all goroutines are asleep - deadlock!" with GC assist waitGarbageCollectorNeedsInvestigationcompiler/runtime

#39390 opened 4 years ago by prattmic

move tests for runtime-gdb.py to a separate package and do not run them during all.bashDebuggingNeedsDecisionTestingcompiler/runtime

#39204 opened 4 years ago by bcmills

nmspinning's position in struct schedt NeedsInvestigationcompiler/runtime

#38858 opened 4 years ago by mygrsun

can't call from Go to c-shared Go library on DarwinNeedsInvestigationOS-Darwin

#38692 opened 4 years ago by khaitranvan96kt

weird panic while dumping non-pointer struct with wrapped errorNeedsInvestigationcompiler/runtime

#38601 opened 4 years ago by powerman

"fatal: systemstack called from unexpected goroutine" on armv6NeedsInvestigationcompiler/runtime

#38539 opened 4 years ago by diamondo25

support SSE2 memmove on older amd64 hardwareNeedsInvestigationPerformancecompiler/runtime

#38512 opened 4 years ago by barakmich

sema: many many goroutines queueing up on many many distinct addresses -> slowNeedsInvestigationPerformancecompiler/runtime

#38420 opened 4 years ago by navytux

timeout in TestCgoCCodeSIGPROF and TestCgoExecSignalMask on linux-ppc64le-buildletBuildersNeedsInvestigationarch-ppc64xcompiler/runtime

#38333 opened 4 years ago by bcmills

cgo calls are way faster when enabling CPU profileNeedsInvestigationPerformancecompiler/runtime

#38325 opened 4 years ago by didrocks

high startup address space usage (RLIMIT_AS) on Linux AMD64NeedsInvestigationcompiler/runtime

#38010 opened 4 years ago by pkramme

binary hangs on CatalinaNeedsInvestigationcompiler/runtime

#37885 opened 4 years ago by gadelkareem

TestGdbPythonCgo is flaky on linux-mips64le-rtrk builderNeedsInvestigationarch-mipscompiler/runtime

#37794 opened 4 years ago by bcmills

Benchmarking reports unexpected memory allocation when using range with map structureNeedsInvestigationcompiler/runtime

#37757 opened 4 years ago by DhiaTN

name offset base pointer out of rangeNeedsInvestigationcompiler/runtime

#37712 opened 4 years ago by stevenh

save CPU registers for the frame calling runtime.sigpanicDebuggingNeedsInvestigationcompiler/runtime

#37683 opened 4 years ago by aarzilli

ThreadSanitizer failed to allocate / CHECK failedNeedsInvestigationcompiler/runtime

#37651 opened 4 years ago by sb10

ensuring support of debug.asyncpreemptoffNeedsInvestigationcompiler/runtime

#37575 opened 4 years ago by derekparker

"found bad pointer in Go heap" on solaris-amd64-oraclerel builderNeedsInvestigationOS-Solariscompiler/runtime

#37502 opened 4 years ago by bcmills

frequent enlisting of short-lived background workers leads to performance regression with async preemptionNeedsFixPerformancehelp wanted

#37465 opened 4 years ago by klauspost

"interface {} is nil, not *main.T" on linux-amd64-noopt builderNeedsInvestigationcompiler/runtime

#37401 opened 4 years ago by bcmills

test hung in TestGdbAutotmpTypesNeedsInvestigationcompiler/runtime

#37366 opened 4 years ago by bcmills

TestGcSys is still flakyNeedsInvestigation

#37331 opened 4 years ago by bcmills

async preemption support on ARM64 breaks ARM64 on QEMUNeedsInvestigationhelp wanted

#36981 opened 4 years ago by kortschak

allow map hashes with different tradeoffsNeedsInvestigationPerformancecompiler/runtime

#36915 opened 4 years ago by eric-s-raymond

use standard prefix for GODEBUG logsNeedsDecisioncompiler/runtime

#36675 opened 4 years ago by tibetsam

sysUsed often called on non-scavenged memoryNeedsFixPerformancecompiler/runtime

#36603 opened 4 years ago by mknyszek

Go 1.14/Windows asynchronous preemption mechanism likely incompatible with debuggingDebuggingNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#36494 opened 4 years ago by aarzilli

make.bat hangsNeedsInvestigationOS-Windowscompiler/runtime

#36492 opened 4 years ago by alexbrainman

clean up async preemption loose endsNeedsFixcompiler/runtime

#36365 opened 4 years ago by aclements

pclntab is too bigNeedsInvestigationbinary-sizecompiler/runtime

#36313 opened 4 years ago by robpike

go1.13.5/go tip worst gc pause time increase from go1.9.7 in darwin/amd64NeedsInvestigationcompiler/runtime

#36147 opened 5 years ago by bronze1man

TestScript flake with "Failed to find getsockname procedure in ws2_32.dll: The specified procedure could not be found." NeedsInvestigationcompiler/runtime

#36029 opened 5 years ago by odeke-em

HeapSys increases until OOM terminationNeedsInvestigationcompiler/runtime

#35890 opened 5 years ago by savalin

always set up TLS on all G-register architectures?NeedsDecisioncompiler/runtime

#35853 opened 5 years ago by cherrymui

being unable to allocate across scavenged and unscavenged memory leads to fragmentation blow-up in some casesNeedsInvestigation

#35848 opened 5 years ago by savalin

TestGdbPythonCgo failure with "malformed backtrace" on linux-amd64 builderNeedsInvestigationcompiler/runtime

#35743 opened 5 years ago by bcmills

timeout with GDB tests on aix/ppc64NeedsInvestigationcompiler/runtime

#35710 opened 5 years ago by Helflym

large address space footprint on 32-bit linuxNeedsInvestigationcompiler/runtime

#35677 opened 5 years ago by tmm1

de-duplicate bit operations with math/bitsNeedsDecisioncompiler/runtime

#35569 opened 5 years ago by aclements

"unexpected signal during runtime execution" during bgscavenge on plan9NeedsInvestigationOS-Plan9compiler/runtimehelp wanted

#35456 opened 5 years ago by bcmills

should checkptrArithmetic accept a uintptr instead of unsafe.Pointer?NeedsInvestigation

#35379 opened 5 years ago by ianlancetaylor

support GOFLAGS=-race everywhereNeedsDecisioncompiler/runtime

#35324 opened 5 years ago by eliasnaur

fatal error: unknown caller pc (libfuzz)NeedsInvestigationcompiler/runtime

#35158 opened 5 years ago by klauspost

unexpected return pc for os/signal.loop called from 0x0NeedsInvestigationOS-Windows

#35005 opened 5 years ago by avinash-getmega

throw should print more diagnosticsNeedsFixcompiler/runtime

#34954 opened 5 years ago by aclements

'unexpected fault address 0x0' in evacuate_fast32 on linux-mips64le-mengzhuo builderNeedsInvestigationcompiler/runtime

#34835 opened 5 years ago by bcmills

manual instrumentation of KeepAlive is fraughtNeedsInvestigation

#34810 opened 5 years ago by beoran

read scheduled on a different thread than a locked and associated with network namespaceNeedsInvestigationcompiler/runtime

#34607 opened 5 years ago by difrost

maybe allgs should shrink after peak loadNeedsInvestigationcompiler/runtime

#34457 opened 5 years ago by cch123

"panic: runtime error: growslice: cap out of range" when creating slice from an unsafe.Pointer in another part of programNeedsInvestigationcompiler/runtime

#34288 opened 5 years ago by Lomanic

futex contention caused by memory allocation in goroutinesNeedsInvestigationcompiler/runtime

#34231 opened 5 years ago by flxkl

lock cycle between mheap_.lock and gcSweepBuf.spineLockNeedsInvestigationcompiler/runtime

#34156 opened 5 years ago by mknyszek

gc exhausts all cpu causing a short delay NeedsInvestigationcompiler/runtime

#33927 opened 5 years ago by Anteoy

make `GOMAXPROCS` cfs-aware on `GOOS=linux`NeedsInvestigationcompiler/runtime

#33803 opened 5 years ago by jcorbin

unexpected fault address runtime.memhash16NeedsInvestigationcompiler/runtime

#33635 opened 5 years ago by kevinconaway

netpollWaiters typically not decrementedNeedsInvestigationcompiler/runtime

#33624 opened 5 years ago by rutsky

use PAGE_NOACCESS in sysReseveNeedsInvestigation

#33327 opened 5 years ago by alexbrainman

raising the number of GOMAXPROCS cause oomNeedsInvestigationcompiler/runtime

#32950 opened 5 years ago by Anteoy

respect SA_RESETHAND when forwarding to non-Go signal handlerNeedsFix

#32659 opened 5 years ago by jimhuaang

performance degradation in high-load long running applicationsNeedsInvestigationcompiler/runtime

#32398 opened 5 years ago by akaspin

optimization to reduce P churnNeedsInvestigationPerformance

#32113 opened 5 years ago by amscanne

"sweep increased allocation count" on darwin-arm64-corellium builderNeedsInvestigationcompiler/runtime

#32026 opened 5 years ago by bcmills

occasional hangs in TestCgoCallbackGCNeedsInvestigationTesting

#32023 opened 5 years ago by bcmills

optionally (reliably) avoid netpoller NeedsInvestigationcompiler/runtime

#32009 opened 5 years ago by tamird

line-buffer goroutine dump output?NeedsDecisioncompiler/runtime

#32002 opened 5 years ago by bradfitz

no examples for LockOSThread and UnlockOSThreadDocumentationNeedsInvestigationcompiler/runtimehelp wanted

#31911 opened 5 years ago by msoedov

ARM uClinux crash with -buildmode=c-archiveNeedsFixhelp wanted

#31378 opened 5 years ago by ooepay

reduce function prologue overheadNeedsInvestigationPerformancecompiler/runtime

#31193 opened 5 years ago by aclements

TestLldbPython failing with 'no intvar'NeedsFixTesting

#31188 opened 5 years ago by josharian

stop single goroutineDebuggingNeedsInvestigationcompiler/runtime

#31132 opened 5 years ago by dlsniper

killed threads do not crash whole processNeedsInvestigationcompiler/runtime

#30753 opened 5 years ago by bobrik

adopt mesh allocation technique?ExpertNeededFeatureRequestNeedsInvestigationcompiler/runtime

#30290 opened 5 years ago by stapelberg

simplify right shift and zero testNeedsFixPerformancecompiler/runtime

#30272 opened 5 years ago by TuomLarsen

expose morestack (or equivalent) to make calling into JIT'ed code easier (and less hacky)NeedsInvestigationcompiler/runtime

#29857 opened 5 years ago by twitchyliquid64

add way for applications to respond to GC backpressureProposalProposal-Hold

#29696 opened 5 years ago by josharian

unexpected signal on Termux android/arm64NeedsInvestigationcompiler/runtime

#29623 opened 5 years ago by uudashr

GDB tests fail on freebsd/arm builderNeedsFixOS-FreeBSDcompiler/runtimehelp wanted

#29508 opened 5 years ago by bradfitz

unexpected signal during runtime execution on DebianNeedsInvestigationcompiler/runtime

#29377 opened 6 years ago by cosmtrek

externally linked programs don't detect deadlocksNeedsFixcompiler/runtimehelp wanted

#29322 opened 6 years ago by aarzilli

exceeded thread wakeup limitation on iOScompiler/runtimemobile

#29284 opened 6 years ago by hajimehoshi

incorrect constant value for PROCESS_ALL_ACCESSNeedsInvestigationTestingcompiler/runtime

#29176 opened 6 years ago by Rojuinex

potential for self-deadlock in runtime write barrierscompiler/runtime

#28993 opened 6 years ago by mknyszek

godoc crashes consistently with "still in list": OS X Mojave problem?NeedsInvestigationcompiler/runtime

#28949 opened 6 years ago by robpike

scheduler work stealing slow for high GOMAXPROCSNeedsInvestigationPerformancecompiler/runtime

#28808 opened 6 years ago by ChrisHines

types are not garbage collectedNeedsInvestigationPerformancecompiler/runtime

#28783 opened 6 years ago by rogpeppe

repeated syscalls inhibit periodic preemptionNeedsInvestigationPerformancecompiler/runtime

#28701 opened 6 years ago by benesch

provide access to info about recent GC cyclesProposalProposal-Hold

#28623 opened 6 years ago by prashantv

unknown pc during parallel benchmarksNeedsInvestigationcompiler/runtime

#28541 opened 6 years ago by mediocregopher

Interferes with Windows timer frequencyNeedsInvestigationOS-Windowscompiler/runtime

#28255 opened 6 years ago by stevenh

segfault during test using -coverpkg and -raceNeedsInvestigationRaceDetector

#28109 opened 6 years ago by yonderblue

arena mapping creates large core files and bad mlockall behaviorNeedsFixPerformance

#28081 opened 6 years ago by randall77

L2 arena maps are not accounted for in any runtime.MemStats fieldNeedsInvestigationcompiler/runtime

#28062 opened 6 years ago by siebenmann

fatal error: found bad pointer in Go heap (incorrect use of unsafe or cgo?) on 386 FreeBSD after CL 138595NeedsInvestigationOS-FreeBSDcompiler/runtime

#28054 opened 6 years ago by paulzhol

error message: P has cached GC work at end of mark terminationGarbageCollectorNeedsFixearly-in-cycle

#27993 opened 6 years ago by ianlancetaylor

CallersFrames showing mangled package path for nonASCII pkg nameNeedsInvestigationcompiler/runtime

#27835 opened 6 years ago by thanm

string concatenation specializations for performanceNeedsInvestigationPerformancecompiler/runtime

#27801 opened 6 years ago by quasilyte

mark assist blocks GC microbenchmark for 7msGarbageCollectorNeedsInvestigationPerformancecompiler/runtime

#27732 opened 6 years ago by dr2chase

cgo Unix C code can't modify environment variables for GoDocumentationNeedsFixcompiler/runtime

#27693 opened 6 years ago by rmmh

tracebacks don't print function arguments for inlined functionsNeedsInvestigationcompiler/runtime

#27678 opened 6 years ago by rockmenjack

feature request: Support for ASLR with the heapNeedsInvestigationcompiler/runtime

#27583 opened 6 years ago by lattera

use parent goroutine's stack for new goroutinesNeedsInvestigationPerformancecompiler/runtime

#27345 opened 6 years ago by josharian

transparent hugepages on linux/mipsle causes segfaultsNeedsInvestigationcompiler/runtime

#26898 opened 6 years ago by josharian

defer/recover support in race detectorNeedsInvestigationRaceDetector

#26813 opened 6 years ago by adilbaig

append is slower than make+assignments for small slices with known lengthNeedsInvestigationPerformancecompiler/runtime

#26734 opened 6 years ago by ghost

pack info into low bits of interface type pointersNeedsDecisionPerformancecompiler/runtime

#26680 opened 6 years ago by josharian

signal handling panics for signals generated by sigqueue/tgkillNeedsFixcompiler/runtime

#26625 opened 6 years ago by aclements

Caller returns wrong file and line if called in a deferred function during panicNeedsInvestigationcompiler/runtime

#26320 opened 6 years ago by ainar-g

document the behaviour of Caller and Callers when used in deferred functionsDocumentationNeedsFixcompiler/runtime

#26275 opened 6 years ago by ainar-g

g0 stack.lo is sometimes too lowNeedsFixcompiler/runtime

#26061 opened 6 years ago by aclements

use wrappers for op= map operationsNeedsInvestigationPerformancecompiler/runtime

#26059 opened 6 years ago by randall77

SIGSEGV when building on freebsd ARMNeedsInvestigationOS-FreeBSDcompiler/runtime

#25770 opened 6 years ago by artooro

TestGdbPython flaky on linux-mipsle builderNeedsInvestigationTestingcompiler/runtimehelp wanted

#25697 opened 6 years ago by bcmills

support resuming a single goroutine under debuggersDebuggingNeedsInvestigationcompiler/runtime

#25578 opened 6 years ago by aclements

can not read stacktrace from a core fileDebuggingNeedsInvestigationcompiler/runtime

#25218 opened 6 years ago by aarzilli

android backtraces do not include go backtraceNeedsInvestigationOS-Androidcompiler/runtime

#25035 opened 6 years ago by zx2c4

sparse zeroing in mallocgcPerformancecompiler/runtime

#24928 opened 6 years ago by josharian

use register instead of TLS for G pointer for darwin/arm and darwin/arm64OS-Darwincompiler/runtime

#24793 opened 6 years ago by randall77

add g.pPerformancecompiler/runtime

#24686 opened 6 years ago by josharian

panic: runtime error: index out of range on all commands on DarwinNeedsInvestigationOS-Darwin

#24394 opened 6 years ago by patricklunney

ignore map size hint if there's not enough memory?NeedsFix

#24308 opened 6 years ago by mfrw

wrong Unix error code from panic.NeedsFixcompiler/runtimeearly-in-cycle

#24284 opened 6 years ago by robpike

"runtime: unexpected return pc for testing.tRunner called from 0x0"NeedsInvestigationOS-Windowsmobile

#24267 opened 6 years ago by eliasnaur

optimize comparison of large values with zeroPerformancecompiler/runtime

#23929 opened 6 years ago by josharian

always log GC details in-memoryNeedsFixcompiler/runtime

#23815 opened 6 years ago by heschi

stack grow panic tracing back through sigpanic from signal handlerNeedsInvestigation

#23484 opened 6 years ago by eliasnaur

Windows service timeout during system startup NeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#23479 opened 6 years ago by kneden

make defs_$GOOS.go regeneratableNeedsInvestigationcompiler/runtime

#23341 opened 6 years ago by hirochachacha

memmove sometimes faster than memclrNoHeapPointersNeedsInvestigationPerformancecompiler/runtime

#23306 opened 6 years ago by alandonovan

delineate multiple panics by adding newlines between themNeedsFixhelp wanted

#23097 opened 7 years ago by dotaheor

unsafe pointer mapsNeedsInvestigationcompiler/runtime

#22931 opened 7 years ago by RLH

gdb tests fail on NetBSDNeedsInvestigationOS-NetBSDcompiler/runtimehelp wanted

#22893 opened 7 years ago by bradfitz

fractional worker preemption causes performance degradation for single cpuNeedsInvestigationPerformancecompiler/runtime

#22693 opened 7 years ago by TocarIP

goroutines linger in GC assist queueNeedsInvestigationPerformancecompiler/runtime

#22654 opened 7 years ago by rhysh

TestWindowsStackMemoryCgo is flakyNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#22575 opened 7 years ago by alexbrainman

race detector: more aggressive scheduler perturbationsNeedsInvestigationRaceDetectorcompiler/runtime

#22569 opened 7 years ago by bcmills

windows-amd64-race builder fails with errno=1455NeedsInvestigationOS-Windowscompiler/runtime

#22553 opened 7 years ago by alexbrainman

expose faketime for testing on normal architecturesNeedsInvestigationcompiler/runtime

#22549 opened 7 years ago by whyrusleeping

TestLldbPython test fails with lldb 3.8 on linuxNeedsFixTestingcompiler/runtimehelp wanted

#22299 opened 7 years ago by hyangah

crash on Plan 9 since CL 46033NeedsInvestigationOS-Plan9compiler/runtimehelp wanted

#22227 opened 7 years ago by 0intro

test failures introduced on ppc64le with change to improve fastrandNeedsInvestigation

#22047 opened 7 years ago by laboger

ebpf uretprobe supportOS-Linuxcompiler/runtimehelp wanted

#22008 opened 7 years ago by shashankmjain

use atomic.Store instead of simple assignmentNeedsInvestigationcompiler/runtimeearly-in-cycle

#21931 opened 7 years ago by minaevmike

big performance penalty with runtime.LockOSThreadNeedsInvestigationcompiler/runtime

#21827 opened 7 years ago by navytux

avoid functions forbidden on Windows 10 UWPNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#21805 opened 7 years ago by maxhora

add mode for pointer-past-end testingNeedsFixcompiler/runtime

#21730 opened 7 years ago by aclements

improve "sweep increased allocation count" diagnosticsNeedsFixcompiler/runtime

#21729 opened 7 years ago by aclements

Reducing theoretical heap fragmentationGarbageCollector

#21695 opened 7 years ago by RLH

improve barrier implementation layeringNeedsFixcompiler/runtime

#21640 opened 7 years ago by josharian

apply strength reduction optimizations to generic map routinesPerformancecompiler/runtime

#21639 opened 7 years ago by josharian

audit mapfast routines for indirectvalue supportNeedsFixTestingcompiler/runtime

#21547 opened 7 years ago by josharian

add and use go:nosplitrec compilation directiveNeedsFixcompiler/runtime

#21314 opened 7 years ago by ianlancetaylor

label runtime functions based on their rolesFeatureRequestNeedsFixcompiler/runtimehelp wanted

#21190 opened 7 years ago by hyangah

before execve, set signal mask according to os/signal functionsNeedsFixcompiler/runtimeearly-in-cycle

#21078 opened 7 years ago by ianlancetaylor

cannot run GO in Windows Server 2016NeedsInvestigationOS-Windows

#21060 opened 7 years ago by Westwoodmayim

sub optimal gc scalabilityNeedsInvestigationPerformancecompiler/runtime

#21056 opened 7 years ago by TocarIP

textflag for CABINeedsFixhelp wanted

#21004 opened 7 years ago by crawshaw

add test for syscall failing to create new OS thread during syscall.ExecNeedsFixTesting

#20822 opened 7 years ago by jvshahid

TestGdbPython* fails on solarisNeedsFixOS-SolarisTestingcompiler/runtime

#20821 opened 7 years ago by binarycrusader

signal handling: sighandler crash due to race with signal.IgnoreNeedsInvestigationcompiler/runtime

#20748 opened 7 years ago by bcmills

program with deadlock doesn't fail if use -race flagNeedsInvestigationRaceDetectorcompiler/runtime

#20588 opened 7 years ago by nizsheanez

select on a shared channel is slow with many PsPerformancecompiler/runtime

#20351 opened 7 years ago by bradfitz

GC turning on/off disruptive to scheduler and localityNeedsInvestigationPerformanceToolSpeedcompiler/runtime

#20307 opened 7 years ago by josharian

shrink map as elements are deletedNeedsFixPerformancecompiler/runtime

#20135 opened 7 years ago by genez

fatal error: addspecial on invalid pointerNeedsInvestigationOS-Androidcompiler/runtimehelp wantedmobile

#20082 opened 7 years ago by fjl

TestSetGCPercent flakyNeedsInvestigationTestingcompiler/runtimehelp wanted

#20076 opened 7 years ago by josharian

add per-G shadows of writeBarrier.enabledPerformanceProposalProposal-Acceptedcompiler/runtime

#20005 opened 7 years ago by sorear

reuse evacuated map overflow bucketsPerformancecompiler/runtime

#19992 opened 7 years ago by josharian

crash in hybrid barrier initializing C memoryNeedsInvestigationcompiler/runtime

#19928 opened 7 years ago by rsc

redirect println(runtime.writeErr) to NSLog(asl_log) on iOSProposalProposal-Acceptedcompiler/runtime

#19744 opened 7 years ago by bronze1man

performance problem with many Cgo callsPerformancecompiler/runtime

#19574 opened 7 years ago by petermattis

better support for 64bit div/mod operations on 32bit platformsPerformancecompiler/runtime

#19509 opened 7 years ago by martisch

measure actual CPU time of GCcompiler/runtime

#19497 opened 7 years ago by aclements

working with small maps is 4x-10x slower than in nodejsNeedsInvestigationPerformancecompiler/runtime

#19495 opened 7 years ago by navytux

avoid multiple returns from deferproccompiler/runtime

#19466 opened 7 years ago by randall77

signal handling: async signals should forward to existing C handlers by default compiler/runtime

#19465 opened 7 years ago by bcmills

osyield is expensive on darwin?OS-DarwinPerformanceearly-in-cycle

#19409 opened 7 years ago by josharian

do map growth work on readsPerformancecompiler/runtime

#19094 opened 7 years ago by josharian

add AlignedN types that can be used to increase alignmentProposalProposal-Hold

#19057 opened 7 years ago by ianlancetaylor

refactor assembly for C calls in signal handlerscompiler/runtime

#18352 opened 8 years ago by bcmills

dlopen/dlsym without CGocompiler/runtime

#18296 opened 8 years ago by iamacarpet

scheduler is slow when goroutines are frequently wokenNeedsInvestigationPerformance

#18237 opened 8 years ago by philhofer

frequent blocking syscalls cause high sysmon overheadNeedsInvestigationPerformancecompiler/runtime

#18236 opened 8 years ago by philhofer

latency in sweep assists when there's no garbageNeedsFixcompiler/runtime

#18155 opened 8 years ago by rhysh

new goroutines can spend excessive time in morestackNeedsDecisionPerformance

#18138 opened 8 years ago by petermattis

stack growth during critical section harms performanceNeedsInvestigationPerformancecompiler/runtime

#18020 opened 8 years ago by gyuho

aggressive GC completion is disruptive to co-tenantsNeedsInvestigationPerformanceearly-in-cycle

#17969 opened 8 years ago by rhysh

nice -20 causes thread exhaustion on ARMNeedsInvestigation

#17803 opened 8 years ago by shahinv

remove all pointers from type informationcompiler/runtime

#17724 opened 8 years ago by crawshaw

preemption takes longer on OpenBSDNeedsInvestigationOS-OpenBSDcompiler/runtime

#17712 opened 8 years ago by mdempsky

gdb command "goroutine 1 bt" fails on core fileDebuggingNeedsFixcompiler/runtime

#17575 opened 8 years ago by kayuuzu

remove mutex from UDP reads/writesNeedsInvestigationPerformance

#17520 opened 8 years ago by neild

re-enable TestGdbPython and TestGdbBacktrace on linux/ppc64 (BE) if/when it gets cgo supportNeedsFixcompiler/runtime

#17366 opened 8 years ago by bradfitz

expose number of running/runnable goroutinesNeedsFixearly-in-cycle

#17089 opened 8 years ago by fd

mark long lived objects with a special flagFeatureRequestNeedsDecisioncompiler/runtime

#17047 opened 8 years ago by dlsniper

profile goroutine creationNeedsDecision

#16894 opened 8 years ago by rhysh

simplify brk_ usage on plan9OS-Plan9compiler/runtime

#16839 opened 8 years ago by josharian

-buildmode=c-shared and dlopen-ing a shared libraryNeedsInvestigationcompiler/runtimeearly-in-cycle

#16805 opened 8 years ago by sbinet

use frame pointers for callersNeedsFixPerformanceearly-in-cycle

#16638 opened 8 years ago by dvyukov

main_init_done can be implemented more efficientlyNeedsFixPerformancecompiler/runtime

#15943 opened 8 years ago by ianlancetaylor

unexpected fault address 0xffffffffffffffff (and other more innocent addresses)compiler/runtime

#15861 opened 8 years ago by mstoykov

pprof should report non-heap memoryFeatureRequestNeedsFixcompiler/runtime

#15848 opened 8 years ago by aclements

significant performance improvement on single core machinescompiler/runtime

#15395 opened 8 years ago by icecrime

heavy time.Now usage cause taskgated to consume lots of cpuNeedsInvestigationOS-DarwinPerformancecompiler/runtime

#15290 opened 8 years ago by davecheney

floating point error panicOS-Plan9compiler/runtime

#15234 opened 8 years ago by sirnewton01

avoid unnecessary work in allocSpanLockedcompiler/runtime

#15226 opened 8 years ago by josharian

current heapdump format is undocumentedDocumentationNeedsFixcompiler/runtime

#15169 opened 8 years ago by mdempsky

40us pause in file-backed serve loopsPerformancecompiler/runtime

#15110 opened 8 years ago by dbentley

hot vars and cache linesNeedsInvestigationcompiler/runtime

#14980 opened 8 years ago by josharian

consider write barrier short-circuit when *dst == srcPerformancecompiler/runtime

#14921 opened 8 years ago by josharian

x_cgo_init determines stacklo incorrectly for some Solaris versionscompiler/runtime

#14865 opened 8 years ago by binarycrusader

throttle heap growthcompiler/runtime

#14735 opened 8 years ago by dvyukov

add softfloat for mips64?compiler/runtime

#14635 opened 8 years ago by minux

let idle OS threads exitNeedsDecision

#14592 opened 8 years ago by brianmario

_cgoCheckPointer0 extreme overheadcompiler/runtime

#14265 opened 8 years ago by tgulacsi

GC should wake up idle PsNeedsFixPerformancecompiler/runtime

#14179 opened 8 years ago by aclements

improve performance of IndexByte on older processorsNeedsFixPerformancecompiler/runtime

#14059 opened 8 years ago by randall77

runtime-gdb.py does not exist for gccgocompiler/runtime

#13641 opened 9 years ago by laboger

c-shared builds fail with musllibccompiler/runtime

#13492 opened 9 years ago by mdempsky

additional memory profiler report modes or similarNeedsInvestigation

#13463 opened 9 years ago by dvyukov

annotation for sysAlloced typesNeedsInvestigation

#13386 opened 9 years ago by aclements

print all threads in GOTRACEBACK >= allNeedsFixcompiler/runtime

#13161 opened 9 years ago by aclements

lock_sema.go uses LIFO ordering for waking blocked Mscompiler/runtime

#13056 opened 9 years ago by mdempsky

Plan 9 stuck forever in TestNoHelperGoroutinesOS-Plan9compiler/runtime

#12992 opened 9 years ago by bradfitz

merge .go files produced by cgo into their counterpartscompiler/runtime

#12952 opened 9 years ago by nodirt

runtime-gdb_test mapvar failure on Fedora 20compiler/runtime

#12830 opened 9 years ago by MartinSteffen

memory and performance degradationcompiler/runtime

#12640 opened 9 years ago by dvyukov

throw in linked c++ library causes app crash even if caught, on windows platformNeedsInvestigationOS-Windowshelp wanted

#12516 opened 9 years ago by superbaddude

c-shared with LD_PRELOAD does not work for some programscompiler/runtime

#12465 opened 9 years ago by AkihiroSuda

revisit non-constant assist ratiocompiler/runtime

#12234 opened 9 years ago by aclements

check for no preemption during write barriercompiler/runtime

#12069 opened 9 years ago by rsc

check indirect calls for nosplitNeedsInvestigation

#12037 opened 9 years ago by rsc

reenable TestCgoCallbackGC on dragonflyNeedsFixOS-Dragonflycompiler/runtime

#11990 opened 9 years ago by mikioh

whole span reclaimer is expensivecompiler/runtime

#11979 opened 9 years ago by aclements

Additional Allocator Metrics in `runtime.MemStats`compiler/runtime

#11890 opened 9 years ago by matttproud

make panic dumps more readableNeedsDecisioncompiler/runtime

#11850 opened 9 years ago by eloff

make it possible to know the go initialization in shared libraries is finished without calling a go functioncompiler/runtime

#11768 opened 9 years ago by hnakamur

refactor into separate subpackagesNeedsFixcompiler/runtime

#11647 opened 9 years ago by michaelmatloob

display fully-qualified types when strings are equal in unequal type panicNeedsInvestigationcompiler/runtime

#11634 opened 9 years ago by Frumious

document P statesDocumentationNeedsInvestigationcompiler/runtime

#11425 opened 9 years ago by aclements

support dlclose with -buildmode=c-sharedcompiler/runtime

#11100 opened 9 years ago by mattn

should traceTickDiv be different for different architectures?compiler/runtime

#10554 opened 9 years ago by minux

GC behavior in non-steady modecompiler/runtime

#10064 opened 9 years ago by dvyukov

dead Gs cause span fragmentationcompiler/runtime

#9869 opened 9 years ago by randall77

TestGdbLoadRuntimeSupport fails on non intel platformsNeedsInvestigation

#9820 opened 9 years ago by davecheney

cgo performance tracking bugPerformance

#9704 opened 9 years ago by minux

support partial object collection in GCGarbageCollector

#9618 opened 9 years ago by yichengq

reduce StackGuardNeedsFix

#9214 opened 10 years ago by rsc

support parallel cache-oblivious algorithmsPerformance

#9129 opened 10 years ago by dvyukov

remove implementation restriction on channel element sizeNeedsInvestigation

#9120 opened 10 years ago by bradfitz

make chan-based generators fasterPerformance

#8903 opened 10 years ago by dvyukov

special case chan struct{}Performance

#8902 opened 10 years ago by dvyukov

squeeze Hchan into 64 bytes Performance

#8901 opened 10 years ago by dvyukov

throttle goroutines on async chans Performance

#8900 opened 10 years ago by dvyukov

lock-free channelsPerformance

#8899 opened 10 years ago by dvyukov

fine-grained locking in selectPerformanceearly-in-cycle

#8896 opened 10 years ago by dvyukov

remove unnecessary allocations in convT2EPerformance

#8892 opened 10 years ago by dvyukov

don't do unnecessary loads on malloc fast pathPerformance

#8887 opened 10 years ago by dvyukov

don't pass *Type to new Performance

#8886 opened 10 years ago by dvyukov

efficient access to thread-local dataPerformance

#8884 opened 10 years ago by dvyukov

consider using SetFileIoOverlappedRangeOS-WindowsPerformance

#8883 opened 10 years ago by dvyukov

shrink stacks more aggressively on explicit GCNeedsInvestigation

#8758 opened 10 years ago by randall77

unify API for runtime/internal/atomic and sync/atomicPerformance

#8739 opened 10 years ago by dvyukov

make GC runtime stats test run on GCENeedsInvestigation

#8634 opened 10 years ago by bradfitz

don't allocate for non-escaping conversions to interface{}Performance

#8618 opened 10 years ago by randall77

fatal error: cannot map pages in arena address space on WindowsOS-Windows

#8491 opened 10 years ago by gopherbot

TestStackMem needs to be run in isolation to be accurateNeedsInvestigation

#8446 opened 10 years ago by randall77

improve goroutine profilerNeedsInvestigation

#7926 opened 10 years ago by dvyukov

gc can add clock tick latency when HPETs are not usedNeedsInvestigation

#7763 opened 10 years ago by 4ad

runtime_test execution of nm uses system go, not go in treeNeedsInvestigation

#7089 opened 11 years ago by randall77

CTRL_CLOSE_EVENT should generate SIGHUP on WindowsOS-WindowsSuggested

#6948 opened 11 years ago by anacrolix

sockets closed by remote peer may remain undetected by pollerNeedsInvestigation

#6753 opened 11 years ago by remyoudompheng

win32 should support more than 64 processorsOS-Windows

#6296 opened 11 years ago by lexprfuncall

threadcreate profile is brokencompiler/runtime

#6104 opened 11 years ago by dvyukov

detect zombie goroutinesFeatureRequestNeedsDecision

#5308 opened 11 years ago by dvyukov

consider caching previous map hash valuePerformance

#5147 opened 11 years ago by bradfitz