runtime

New Issue

higher system cpu cost by runtime.freespanNeedsInvestigationcompiler/runtime

#54517 opened 1 day ago by zdyj3170101136

scheduler testing controlsNeedsFixcompiler/runtime

#54475 opened 2 days ago by prattmic

rewrite gentraceback as an iterator APIFeatureRequestcompiler/runtime

#54466 opened 3 days ago by aclements

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

#54444 opened 5 days ago by mokiat

TestGdbBacktrace failure on linux-amd64-alpine builderNeedsInvestigationcompiler/runtime

#54352 opened 1 week ago by thanm

SIGTRAMP while profiling arm64 hits new "traceback stuck" assertcompiler/runtime

#54332 opened 1 week ago by lizthegrey

unexpected return pc crash on linux-amd64-alpine builderNeedsInvestigationcompiler/runtime

#54306 opened 1 week ago by rsc

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

#54305 opened 1 week ago by 4a6f656c

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

#54187 opened 2 weeks ago by dmitshur

Crash in GC on Debian riscv64 (qemu)NeedsInvestigationarch-riscvcompiler/runtime

#54104 opened 3 weeks ago by phpeterson-usf

shrink signal stacks with AT_MINSIGSTKSZNeedsInvestigationcompiler/runtime

#54088 opened 3 weeks ago by prattmic

create runtime_realgcount func to reduce one time stw when fetch goroutine profileNeedsInvestigation

#54014 opened 3 weeks ago by Jun10ng

improve timer performanceNeedsInvestigationcompiler/runtime

#53953 opened 1 month ago by OmidHekayati

simplify cons/mark smoothing and use the correct trigger point in the cons/mark calculationNeedsFixcompiler/runtime

#53892 opened 1 month ago by mknyszek

crash in sbrk modeNeedsInvestigationcompiler/runtime

#53887 opened 1 month ago by cherrymui

gcstoptheworld=2 doesn't workNeedsInvestigationcompiler/runtime

#53885 opened 1 month ago by cherrymui

running cmd.exec within goroutine sometimes leaves process with 100% CPUNeedsInvestigationOS-Darwincompiler/runtime

#53863 opened 1 month ago by ostrowr

use epoll_pwait2 where availableNeedsFixPerformancecompiler/runtimehelp wanted

#53824 opened 1 month ago by ianlancetaylor

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

#53821 opened 1 month ago by prattmic

random crashes on macOS 13 Ventura Public BetaNeedsInvestigationOS-DarwinWaitingForInfocompiler/runtimehelp wanted

#53800 opened 1 month ago by ismail

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

#53721 opened 1 month ago by heschi

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

#53705 opened 1 month ago by bayucandra

TestCgoCCodeSIGPROF failure due to hang in subprocessNeedsInvestigation

#53648 opened 1 month ago by bcmills

`runtime: out of memory` in `runtime.sysMapOS` NeedsInvestigationOS-OpenBSDcompiler/runtime

#53576 opened 1 month ago by bcmills

add symbolic constants for freebsd 386/amd64 syscallsNeedsInvestigationOS-FreeBSDcompiler/runtime

#53479 opened 1 month ago by dmgk

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

#53434 opened 2 months ago by bcmills

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

#53431 opened 2 months ago by bcmills

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

#53375 opened 2 months ago by bcmills

enable -msan on freebsd/amd64FeatureRequestNeedsInvestigationOS-FreeBSDcompiler/runtime

#53298 opened 2 months ago by dmgk

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

#53289 opened 2 months ago by jmpesp

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

#53250 opened 2 months ago by prattmic

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

#53093 opened 2 months 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 months ago by bcmills

TestSegv/Segv failure with 'unknown pc' on linux-riscv64-unmatchedNeedsInvestigationarch-riscvcompiler/runtime

#52963 opened 3 months ago by bcmills

new goroutine launches can starve other work indefinitelyNeedsInvestigationcompiler/runtime

#52934 opened 3 months ago by rhysh

enhance map cacheline efficiency via prefetchNeedsInvestigationPerformancecompiler/runtime

#52902 opened 3 months ago by simonhf

TestSpuriousWakeupsNeverHangSemasleep failure with `file already closed`NeedsFixcompiler/runtime

#52725 opened 3 months ago by bcmills

frequent TestPreemptionAfterSyscall failures on freebsd-arm-paulzholNeedsInvestigationOS-FreeBSDarch-armcompiler/runtime

#52679 opened 3 months ago by bcmills

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

#52678 opened 3 months ago by bcmills

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

#52674 opened 3 months ago by rhysh

check use of osyield in signal handlersNeedsInvestigationcompiler/runtime

#52672 opened 3 months ago by rhysh

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

#52657 opened 3 months ago by bcmills

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

#52652 opened 3 months ago by alphadose

`exit status 0xc0000374` (`STATUS_HEAP_CORRUPTION`) on windows-amd64-longtestNeedsInvestigationOS-Windowscompiler/runtime

#52647 opened 3 months ago by bcmills

`cannot allocate memory` testing `x/sys/unix` on linux-386-stretchNeedsInvestigationcompiler/runtime

#52576 opened 3 months ago by bcmills

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

#52548 opened 3 months ago by bcmills

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

#52547 opened 3 months ago by bcmills

dump a summary of heap stats on OOMNeedsInvestigationcompiler/runtime

#52546 opened 3 months ago by bcmills

incorrect forced information in gctraceNeedsInvestigationcompiler/runtime

#52515 opened 3 months ago by WangLeonard

TestSelectFairness failures with "unfair select"NeedsInvestigationcompiler/runtime

#52465 opened 3 months ago by bcmills

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

#52433 opened 4 months ago by mknyszek

mexit leads to SIGSEGV due to g.m becoming nilNeedsInvestigation

#52394 opened 4 months ago by 4a6f656c

network read using a lot of CPUWaitingForInfocompiler/runtime

#52341 opened 4 months 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 4 months ago by CatStudioApp

process hangs after moving to go 1.17WaitingForInfocompiler/runtime

#52178 opened 4 months ago by sanjayvora

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

#52093 opened 4 months ago by ysmood

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

#52043 opened 4 months ago by bcmills

add HeapMarked to MemStatsProposal

#51966 opened 4 months ago by doujiang24

segment violation when large slice allocation on riscv64NeedsInvestigation

#51835 opened 5 months ago by jagan-sivakumar

FuncForPC FileLine returns autogenerated instead of actual pathNeedsInvestigationcompiler/runtime

#51774 opened 5 months ago by vearutop

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

#51707 opened 5 months ago by neo-hu

TestGdbPythonCgo fails on arm w/1.18NeedsInvestigationcompiler/runtime

#51694 opened 5 months ago by satmandu

preserve extra M across calls from C to GoNeedsInvestigationhelp wanted

#51676 opened 5 months ago by doujiang24

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

#51600 opened 5 months ago by bcmills

optimize channel filling idiomNeedsDecisionPerformancecompiler/runtime

#51553 opened 5 months ago by CAFxX

timeout in TestNoShrinkStackWhileParking on openbsdNeedsInvestigationOS-OpenBSD

#51482 opened 5 months ago by prattmic

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

#51481 opened 5 months ago by bcmills

deprecate GOROOT() functionProposalProposal-Hold

#51473 opened 5 months ago by rittneje

frequent test timeouts on solaris-amd64-oraclerelBuildersNeedsInvestigationOS-Solariscompiler/runtime

#51443 opened 5 months ago by bcmills

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

#51341 opened 5 months ago by bcmills

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

#51276 opened 6 months ago by octobered

esbuild sometimes crashes with `fatal: morestack on g0` on 64-bit WindowsNeedsInvestigationOS-Windowscompiler/runtime

#51266 opened 6 months ago by evanw

reduce static stack guard sizeNeedsInvestigationcompiler/runtime

#51256 opened 6 months ago by cherrymui

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

#51113 opened 6 months ago by szuecs

clean up system call codeNeedsInvestigationcompiler/runtime

#51087 opened 6 months ago by prattmic

investigate possible Go scheduler improvements inspired by Linux Kernel's CFSNeedsInvestigationPerformance

#51071 opened 6 months ago by hnes

"fatal: systemstack called from unexpected goroutine" on AndroidNeedsInvestigationOS-Androidcompiler/runtime

#51001 opened 6 months ago by bcmills

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

#50979 opened 6 months ago by bcmills

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

#50952 opened 6 months ago by prattmic

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

#50947 opened 6 months ago by TriAnMan

crashes with "sys: trap: invalid opcode" on plan9/386NeedsInvestigationOS-Plan9compiler/runtime

#50878 opened 6 months ago by bcmills

don't crash in exception handler on windows/arm64NeedsInvestigationOS-Windowsarch-arm64compiler/runtime

#50877 opened 6 months ago by TopperDEL

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

#50834 opened 6 months ago by bcmills

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

#50728 opened 7 months ago by mei-rune

frequent ReadMemStats will cause heap_live to exceed next_gc NeedsInvestigationcompiler/runtime

#50592 opened 7 months ago by WangLeonard

"schedule: holding locks" on plan9-armNeedsInvestigationOS-Plan9compiler/runtime

#50560 opened 7 months ago by bcmills

Windows profilem may profile Ms after unminitNeedsFixcompiler/runtime

#50557 opened 7 months ago by prattmic

traceback throw from VDSO reachable via raw asmcgocallNeedsFixcompiler/runtime

#50504 opened 7 months ago by prattmic

add parameters to recover to only return specific typesProposal

#50424 opened 7 months ago by letian0805

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

#50294 opened 8 months ago by aktau

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

#50144 opened 8 months ago by bcmills

frequent failures with "sys: trap: fault" or "fatal error: fault" on plan9-386-0introNeedsInvestigationOS-Plan9compiler/runtime

#50137 opened 8 months ago by bcmills

upgrade to v3 version of race detectorcompiler/runtime

#49761 opened 8 months ago by randall77

TestSignalIgnoreSIGTRAP failures on openbsdNeedsInvestigationOS-OpenBSDhelp wanted

#49725 opened 8 months ago by bcmills

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

#49684 opened 9 months ago by bcmills

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

#49681 opened 9 months ago by bcmills

Simple HTTP server causes high thread count on macOS MontereyNeedsInvestigationcompiler/runtime

#49679 opened 9 months ago by chrisprobst

gc pause bursts after upgrading from 1.16 to 1.17NeedsInvestigationcompiler/runtime

#49542 opened 9 months ago by dop251

introduce growbyteslice?NeedsInvestigationcompiler/runtime

#49480 opened 9 months ago by quasilyte

use MiniDumpWriteDump for GOTRACEBACK=crash on WindowsProposalProposal-AcceptedProposal-FinalCommentPeriodcompiler/runtime

#49471 opened 9 months ago by zx2c4

newosproc doesn't handle clone returning EAGAINNeedsInvestigationcompiler/runtime

#49438 opened 9 months ago by asuffield

`TestArenaCollision` should be skipped when `sysReserve` cannot return an address based on the given hintNeedsDecisioncompiler/runtime

#49415 opened 9 months ago by hajimehoshi

canonical 48-bit address bug in lfstackNeedsInvestigationcompiler/runtime

#49405 opened 9 months ago by Sonicadvance1

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

#49382 opened 9 months ago by bcmills

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

#49233 opened 9 months ago by vsivsi

debug call injection tests contain many unsafe write barriersNeedsInvestigationTesting

#49169 opened 9 months ago by mknyszek

bad crash output for synchronous signal in the VDSONeedsFixcompiler/runtime

#49156 opened 9 months ago by prattmic

initialization order within a file appears to have changedNeedsInvestigationcompiler/runtime

#49150 opened 9 months ago by cosnicolaou

possible memory corruption caused by CL 304470 "cmd/compile, runtime: add metadata for argument printing in traceback"NeedsInvestigationcompiler/runtime

#49075 opened 10 months ago by katiehockman

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

#49058 opened 10 months ago by weishi-deng

unnecessary return in netpollNeedsInvestigationWaitingForInfocompiler/runtime

#49026 opened 10 months ago by zhouguangyuan0718

audit lock/atomic-free accesses in pollDescNeedsInvestigationcompiler/runtime

#49008 opened 10 months ago by prattmic

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

#48997 opened 10 months ago by tetsuok

fatal error: stack growth after forkNeedsInvestigationcompiler/runtime

#48967 opened 10 months ago by honsunrise

fatal error: unknown caller pcNeedsInvestigationcompiler/runtime

#48921 opened 10 months ago by zhaoyiping0622

apparent deadlock in TestConcurrentReadsAfterGrowth on FreeBSDNeedsInvestigationOS-FreeBSDcompiler/runtime

#48764 opened 10 months ago by bcmills

enhance map cacheline efficiencyNeedsInvestigationPerformance

#48687 opened 10 months ago by simonhf

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

#48437 opened 11 months ago by richard-ramos

possible contention on epollwaitNeedsInvestigation

#48428 opened 11 months ago by zizon

memmove executes unaligned accesses on riscv64Performancearch-riscvcompiler/runtime

#48248 opened 11 months ago by mundaym

fatal error: acquireSudog: found s.elem != nil in cacheNeedsInvestigationWaitingForInfocompiler/runtime

#48188 opened 11 months ago by AdamKorcz

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

#48077 opened 11 months ago by bcmills

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

#48059 opened 11 months ago by suikast42

allocation performance worse on two socket serverNeedsInvestigationcompiler/runtime

#47831 opened 1 year ago by gangdeng-intel

scavenger not freeing all possible memory on darwinNeedsInvestigationcompiler/runtime

#47656 opened 1 year ago by josharian

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

#47246 opened 1 year ago by laboger

unexpected return pc for golang.goparkNeedsInvestigationcompiler/runtime

#47003 opened 1 year ago by imcom

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

#46995 opened 1 year ago by mvdan

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

#46895 opened 1 year ago by inkeliz

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

#46850 opened 1 year ago by laboger

document gctrace output in relation to MemStatsDocumentationNeedsInvestigationcompiler/runtime

#46846 opened 1 year ago by JohnRusk

document finalizer semantics for tiny objects (<16 bytes)DocumentationNeedsFixhelp wanted

#46827 opened 1 year ago by seebs

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

#46822 opened 1 year ago by prattmic

provide Pinner API for object pinningProposalProposal-AcceptedProposal-FinalCommentPeriodcompiler/runtime

#46787 opened 1 year ago by ansiwen

101

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

#46757 opened 1 year ago by bcmills

unexpected signal during runtime execution - segmentation violation SIGSEGVWaitingForInfocompiler/runtime

#46666 opened 1 year ago by levesquejf

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

#46495 opened 1 year 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 1 year ago by mknyszek

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

#46286 opened 1 year ago by pmur

pMask index out of range errorsNeedsInvestigation

#46271 opened 1 year ago by mknyszek

SIGBUS / SIGSEGV during asmcgocallNeedsInvestigation

#46170 opened 1 year ago by bcmills

mark termination is slow to restart mutatorNeedsInvestigationPerformancecompiler/runtime

#45894 opened 1 year ago by rhysh

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

#45887 opened 1 year ago by bcmills

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

#45794 opened 1 year ago by seebs

netpoll port_getn() fails with impossible errno on illumosNeedsInvestigationOS-Solariscompiler/runtime

#45643 opened 1 year ago by whorfin

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

#45494 opened 1 year ago by zephyrtronium

support for system callbacks with float arguments on WindowsNeedsFix

#45300 opened 1 year ago by emarj

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

#45021 opened 1 year 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 1 year ago by rfx77

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

#44993 opened 1 year ago by bartgrantham

enable random stack relocation DebuggingNeedsFix

#44949 opened 1 year ago by JAicewizard

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

#44941 opened 1 year ago by VojtechVitek

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

#44902 opened 1 year ago by bcmills

fatal error: newproc1: new g is not GdeadNeedsInvestigationcompiler/runtime

#44722 opened 1 year ago by urbanishimwe

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

#44554 opened 2 years ago by pitr

"runlock of unlocked rwmutex" on plan9-armNeedsInvestigationOS-Plan9arch-armcompiler/runtime

#44545 opened 2 years ago by bcmills

time.Sleep takes more time than expectedNeedsInvestigationOS-LinuxOS-Windowscompiler/runtime

#44343 opened 2 years ago by egonelbre

timeout in TestNeedmDeadlock on darwin-amd64-10_12 builderNeedsInvestigation

#44303 opened 2 years ago by bcmills

cgo can't set new environment variables for GoNeedsInvestigationcompiler/runtime

#44108 opened 2 years ago by rakeshlacework

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

#44093 opened 2 years ago by randomascii

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

#43969 opened 2 years ago by abhi-m-simformsolutons

Crash in autogenerated function NeedsInvestigationcompiler/runtime

#43934 opened 2 years ago by hagarjibm

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

#43873 opened 2 years ago by problame

SIGSEGV in (*mheap).alloc via mallocgcNeedsInvestigationcompiler/runtime

#43843 opened 2 years ago by bcmills

deadlock at _cgo_wait_runtime_init_done in LD_PRELOAD soNeedsInvestigationcompiler/runtime

#43836 opened 2 years ago by james-li

hang in TestGdbAutotmpTypes on linux-mips64le-mengzhuo builderNeedsInvestigationcompiler/runtime

#43825 opened 2 years ago by bcmills

enable scheduler randomization independent of the race detectorFeatureRequestNeedsInvestigationcompiler/runtime

#43794 opened 2 years ago by josharian

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

#43699 opened 2 years ago by laoshaw

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

#43669 opened 2 years ago by aclements

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

#43668 opened 2 years ago by bcmills

TestNeedmDeadlock failure with SIGSEGV on linux-mips-rtrk builderNeedsInvestigation

#43625 opened 2 years ago by bcmills

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

#43496 opened 2 years ago by egonelbre

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

#42825 opened 2 years ago by jgbooks

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

#42805 opened 2 years ago by raulk

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

#42780 opened 2 years ago by wasmup

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

#42724 opened 2 years ago by bradfitz

work.cycles should consider integer overflowNeedsDecisioncompiler/runtime

#42664 opened 2 years ago by qingyunha

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

#42649 opened 2 years ago by vsivsi

"sweep increased allocation count" on linux/arm64 during bootstrapNeedsInvestigationOS-Linuxarch-arm64compiler/runtime

#42543 opened 2 years ago by bcmills

Goexit doesn't crash the programNeedsInvestigationcompiler/runtime

#42505 opened 2 years ago by fxrlv

TestCrashDumpsAllThreads fails on openbsd/mips64NeedsInvestigationOS-OpenBSDcompiler/runtime

#42464 opened 2 years ago by 4a6f656c

GC pacer problems meta-issueNeedsInvestigationPerformancecompiler/runtimeumbrella

#42430 opened 2 years ago by mknyszek

frequent crashes with "exit status 16962" on netbsd-arm64-bsiegert builderNeedsInvestigationOS-NetBSDarch-arm64compiler/runtime

#42422 opened 2 years ago by 4a6f656c

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

#42359 opened 2 years ago by bcmills

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

#42357 opened 2 years ago by leighhopcroft

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

#42229 opened 2 years ago by XiaodongLoong

deadlock at _cgo_wait_runtime_init_doneNeedsInvestigationOS-Windowscompiler/runtime

#42190 opened 2 years ago by tungmangtdh3

implicit allocations allowed in the runtimeFeatureRequestNeedsInvestigationcompiler/runtime

#42158 opened 2 years ago by randall77

TestCgoExecSignalMask failures due to apparent deadlock on *BSDNeedsInvestigationOS-FreeBSDOS-NetBSDcompiler/runtime

#42093 opened 2 years ago by bcmills

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

#41995 opened 2 years ago by egonelbre

heap pageAlloc.searchAddr strategy may be wrongNeedsInvestigationcompiler/runtime

#41989 opened 2 years ago by dreamerjackson

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

#41948 opened 2 years ago by dreamerjackson

lack of checking of pointer returned by sysAllocNeedsInvestigationcompiler/runtime

#41827 opened 2 years ago by michalderkacz

add per-goroutine CPU statsProposal

#41554 opened 2 years ago by asubiotto

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

#41450 opened 2 years ago by bcmills

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

#41362 opened 2 years ago by mdempsky

panic: non-empty mark queue after concurrent mark (Go1.14, Go1.15)NeedsInvestigationWaitingForInfocompiler/runtime

#41303 opened 2 years ago by navytux

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

#41155 opened 2 years ago by florisch

remove VZEROUPPER patch once Darwin <10.15.6 is not supportedNeedsFixPerformancecompiler/runtimeearly-in-cycle

#41152 opened 2 years ago by cuonglm

TestPreemptionAfterSyscall is flaky on Plan 9NeedsInvestigationOS-Plan9Testing

#41015 opened 2 years ago by bcmills

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

#40722 opened 2 years ago by gwillem

lock held checkingNeedsFixcompiler/runtime

#40677 opened 2 years ago by prattmic

usleep does not check for early wakeupNeedsInvestigation

#40653 opened 2 years ago by ruyi789

gcc_libinit.c _cgo_try_pthread_create 'EAGAIN' undeclaredNeedsInvestigationcompiler/runtime

#40617 opened 2 years ago by kazmccullum

merge workarounds to false deadlocksNeedsFixcompiler/runtime

#40518 opened 2 years ago by prattmic

unexpected return pc for runtime.asmstdcallNeedsInvestigationOS-Windowscompiler/runtime

#40469 opened 2 years ago by chalkwu

goroutines may allocate beyond the hard heap goalNeedsFixcompiler/runtime

#40460 opened 2 years ago by mknyszek

fatal error: checkdead: inconsistent countsNeedsInvestigationcompiler/runtime

#40434 opened 2 years ago by prattmic

unexpected return pc for runtime.NeedsInvestigationOS-Windowscompiler/runtime

#40401 opened 2 years ago by chalkwu

select: fatal error: index out of rangeNeedsInvestigationcompiler/runtime

#40397 opened 2 years ago by prestonvanloon

mTreap corruption in go1.13.10NeedsInvestigation

#40372 opened 2 years ago by luckyxiaoqiang

request for comment: reducing preemption in suspendG when G is running large nosplit functionsNeedsInvestigationcompiler/runtime

#40229 opened 2 years ago by shawndx

long latency in mark assistNeedsInvestigationcompiler/runtime

#40225 opened 2 years ago by choleraehyq

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

#40131 opened 2 years ago by wangzz719

deprecate SetCPUProfileRate and replace body with panicNeedsFixcompiler/runtime

#40094 opened 2 years ago by rsc

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

#40044 opened 2 years ago by steeve

idle GC interferes with auto-scalingNeedsDecisioncompiler/runtime

#39983 opened 2 years ago by aclements

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

#39668 opened 2 years ago by kallsyms

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

#39595 opened 2 years ago by bcmills

fixup darwin/arm64 framepointer assemblyNeedsFixcompiler/runtime

#39524 opened 2 years ago by eliasnaur

add race detector for ios/arm64NeedsInvestigationcompiler/runtime

#39521 opened 2 years ago by steeve

segfault during conservative scan of asynchronously preempted goroutineNeedsInvestigationcompiler/runtime

#39499 opened 2 years ago by jamesl33

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

#39457 opened 2 years ago by bcmills

read-only accessor for gcpercentFeatureRequestNeedsInvestigationcompiler/runtime

#39419 opened 2 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 2 years ago by merces

OOM when runing in sparse available memory systemNeedsInvestigation

#39400 opened 2 years ago by jeremyshisong

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

#39390 opened 2 years ago by prattmic

crash on linux/arm64 with "invalid p state" on 1.13NeedsInvestigation

#39252 opened 2 years ago by choury

move tests for runtime-gdb.py to misc/ and do not run them during all.bashDebuggingNeedsDecisionTesting

#39204 opened 2 years ago by bcmills

error error 3221226356 (C0000374) in CGO module in WindowsNeedsInvestigationOS-Windowscompiler/runtime

#39127 opened 2 years ago by bsrdjan

expose internal/trace packageProposal

#38971 opened 2 years ago by povilasv

nmspinning's position in struct schedt NeedsInvestigationcompiler/runtime

#38858 opened 2 years ago by mygrsun

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

#38692 opened 2 years ago by khaitranvan96kt

add 'created by goroutine number' to stack tracesProposalcompiler/runtime

#38651 opened 2 years ago by firelizzard18

SIGSEGV during runtime init, in gcenableNeedsInvestigationWaitingForInfocompiler/runtime

#38639 opened 2 years ago by wadey

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

#38601 opened 2 years ago by powerman

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

#38539 opened 2 years ago by diamondo25

support SSE2 memmove on older amd64 hardwareNeedsInvestigationPerformancecompiler/runtime

#38512 opened 2 years ago by barakmich

frequent "fatal error: checkdead: runnable g" on plan9 buildersNeedsInvestigationOS-Plan9compiler/runtime

#38489 opened 2 years ago by bcmills

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

#38420 opened 2 years ago by navytux

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

#38333 opened 2 years ago by bcmills

cgo calls are way faster when enabling CPU profileNeedsInvestigationPerformancecompiler/runtime

#38325 opened 2 years ago by didrocks

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

#38010 opened 2 years ago by pkramme

binary hangs on CatalinaNeedsInvestigationcompiler/runtime

#37885 opened 2 years ago by gadelkareem

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

#37794 opened 2 years ago by bcmills

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

#37757 opened 2 years ago by DhiaTN

name offset base pointer out of rangeNeedsInvestigationcompiler/runtime

#37712 opened 2 years ago by stevenh

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

#37683 opened 2 years ago by aarzilli

ThreadSanitizer failed to allocate / CHECK failedNeedsInvestigationcompiler/runtime

#37651 opened 2 years ago by sb10

ensuring support of debug.asyncpreemptoffNeedsInvestigationcompiler/runtime

#37575 opened 2 years ago by derekparker

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

#37502 opened 2 years ago by bcmills

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

#37465 opened 2 years ago by klauspost

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

#37401 opened 2 years ago by bcmills

test hung in TestGdbAutotmpTypesNeedsInvestigationcompiler/runtime

#37366 opened 2 years ago by bcmills

TestGcSys is still flakyNeedsInvestigation

#37331 opened 2 years ago by bcmills

gdb stepping behavior when debugging Go program on ppc64le changed when split-stack prologue marked non-preemptibleNeedsInvestigationcompiler/runtime

#37126 opened 2 years ago by laboger

async preemption support on ARM64 breaks ARM64 on QEMUNeedsInvestigationhelp wanted

#36981 opened 2 years ago by kortschak

allow map hashes with different tradeoffsNeedsInvestigationPerformancecompiler/runtime

#36915 opened 2 years ago by eric-s-raymond

add a debug flag that force runtime debug logs are sent to stdout rather than stderrNeedsDecisioncompiler/runtime

#36675 opened 2 years ago by tibetsam

sysUsed often called on non-scavenged memoryNeedsFixPerformancecompiler/runtime

#36603 opened 2 years ago by mknyszek

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

#36494 opened 2 years ago by aarzilli

make.bat hangsNeedsInvestigationOS-Windowscompiler/runtime

#36492 opened 2 years ago by alexbrainman

clean up async preemption loose endsNeedsFixcompiler/runtime

#36365 opened 2 years ago by aclements

pclntab is too bigNeedsInvestigationbinary-sizecompiler/runtime

#36313 opened 2 years ago by robpike

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

#36147 opened 2 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 2 years ago by odeke-em

HeapSys increases until OOM terminationNeedsInvestigationcompiler/runtime

#35890 opened 2 years ago by savalin

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

#35853 opened 2 years ago by cherrymui

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

#35848 opened 2 years ago by savalin

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

#35743 opened 2 years ago by bcmills

timeout with GDB tests on aix/ppc64NeedsInvestigationcompiler/runtime

#35710 opened 2 years ago by Helflym

large address space footprint on 32-bit linuxNeedsInvestigationcompiler/runtime

#35677 opened 2 years ago by tmm1

de-duplicate bit operations with math/bitsNeedsDecisioncompiler/runtime

#35569 opened 2 years ago by aclements

"unexpected signal during runtime execution" during bgscavenge on plan9-386-0introNeedsInvestigationOS-Plan9compiler/runtimehelp wanted

#35456 opened 2 years ago by bcmills

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

#35379 opened 2 years ago by ianlancetaylor

support GOFLAGS=-race everywhereNeedsDecisioncompiler/runtime

#35324 opened 2 years ago by eliasnaur

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

#35158 opened 2 years ago by klauspost

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

#35005 opened 2 years ago by mega-bran

throw should print more diagnosticsNeedsFixcompiler/runtime

#34954 opened 2 years ago by aclements

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

#34835 opened 2 years ago by bcmills

manual instrumentation of KeepAlive is fraughtNeedsInvestigation

#34810 opened 2 years ago by beoran

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

#34607 opened 2 years ago by difrost

maybe allgs should shrink after peak loadNeedsInvestigationcompiler/runtime

#34457 opened 2 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 2 years ago by Lomanic

futex contention caused by memory allocation in goroutinesNeedsInvestigationcompiler/runtime

#34231 opened 2 years ago by flxkl

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

#34156 opened 2 years ago by mknyszek

gc exhausts all cpu causing a short delay NeedsInvestigationcompiler/runtime

#33927 opened 3 years ago by Anteoy

make `GOMAXPROCS` cfs-aware on `GOOS=linux`NeedsInvestigation

#33803 opened 3 years ago by jcorbin

unexpected fault address runtime.memhash16NeedsInvestigationcompiler/runtime

#33635 opened 3 years ago by kevinconaway

netpollWaiters typically not decrementedNeedsInvestigationcompiler/runtime

#33624 opened 3 years ago by rutsky

use PAGE_NOACCESS in sysReseveNeedsInvestigation

#33327 opened 3 years ago by alexbrainman

segmentation fault on linux/arm when GODEBUG=sbrk=1NeedsInvestigation

#33159 opened 3 years ago by mischief

raising the number of GOMAXPROCS cause oomNeedsInvestigationcompiler/runtime

#32950 opened 3 years ago by Anteoy

respect SA_RESETHAND when forwarding to non-Go signal handlerNeedsFix

#32659 opened 3 years ago by jimhuaang

allow FreeBSD users to choose between MADV_FREE and MADV_DONTNEEDNeedsInvestigationOS-FreeBSDcompiler/runtime

#32519 opened 3 years ago by araujobsd

performance degradation in high-load long running applicationsNeedsInvestigationcompiler/runtime

#32398 opened 3 years ago by akaspin

elided panic goroutine stack trace doesn't print "additional frames elided" since go1.8NeedsInvestigationcompiler/runtime

#32383 opened 3 years ago by maruel

optimization to reduce P churnNeedsInvestigationPerformance

#32113 opened 3 years ago by amscanne

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

#32026 opened 3 years ago by bcmills

occasional hangs in TestCgoCallbackGCNeedsInvestigationTesting

#32023 opened 3 years ago by bcmills

optionally (reliably) avoid netpoller NeedsInvestigationcompiler/runtime

#32009 opened 3 years ago by tamird

line-buffer goroutine dump output?NeedsDecisioncompiler/runtime

#32002 opened 3 years ago by bradfitz

no examples for LockOSThread and UnlockOSThreadDocumentationNeedsInvestigationcompiler/runtimehelp wanted

#31911 opened 3 years ago by msoedov

ARM uClinux crash with -buildmode=c-archiveNeedsFixhelp wanted

#31378 opened 3 years ago by ooepay

long pauses STW (sweep termination) on massive block allocationNeedsDecision

#31222 opened 3 years ago by un000

reduce function prologue overheadNeedsInvestigationPerformancecompiler/runtime

#31193 opened 3 years ago by aclements

TestLldbPython failing with 'no intvar'NeedsFixTesting

#31188 opened 3 years ago by josharian

stop single goroutineDebuggingNeedsInvestigationcompiler/runtime

#31132 opened 3 years ago by dlsniper

killed threads do not crash whole processNeedsInvestigationcompiler/runtime

#30753 opened 3 years ago by bobrik

adopt mesh allocation technique?ExpertNeededFeatureRequestNeedsInvestigationcompiler/runtime

#30290 opened 3 years ago by stapelberg

simplify right shift and zero testNeedsFixPerformancecompiler/runtime

#30272 opened 3 years ago by TuomLarsen

cannot run go.exe on Windows Server 2016NeedsInvestigationcompiler/runtime

#29885 opened 3 years ago by huangyezuojia

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

#29857 opened 3 years ago by twitchyliquid64

add way for applications to respond to GC backpressureProposalProposal-Hold

#29696 opened 3 years ago by josharian

unexpected signal on Termux android/arm64NeedsInvestigationcompiler/runtime

#29623 opened 3 years ago by uudashr

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

#29508 opened 3 years ago by bradfitz

unexpected signal during runtime execution on DebianNeedsInvestigationcompiler/runtime

#29377 opened 3 years ago by cosmtrek

externally linked programs don't detect deadlocksNeedsFixcompiler/runtimehelp wanted

#29322 opened 3 years ago by aarzilli

exceeded thread wakeup limitation on iOScompiler/runtimemobile

#29284 opened 3 years ago by hajimehoshi

incorrect constant value for PROCESS_ALL_ACCESSNeedsInvestigationTestingcompiler/runtime

#29176 opened 3 years ago by Rojuinex

potential for self-deadlock in runtime write barrierscompiler/runtime

#28993 opened 3 years ago by mknyszek

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

#28949 opened 3 years ago by robpike

scheduler work stealing slow for high GOMAXPROCSNeedsInvestigationPerformancecompiler/runtime

#28808 opened 3 years ago by ChrisHines

types are not garbage collectedNeedsInvestigationPerformancecompiler/runtime

#28783 opened 3 years ago by rogpeppe

repeated syscalls inhibit periodic preemptionNeedsInvestigationPerformancecompiler/runtime

#28701 opened 3 years ago by benesch

provide access to info about recent GC cyclesProposalProposal-Hold

#28623 opened 3 years ago by prashantv

unknown pc during parallel benchmarksNeedsInvestigationcompiler/runtime

#28541 opened 3 years ago by mediocregopher

seg fault on Darwin in GC while under debuggerWaitingForInfo

#28373 opened 3 years ago by robaho

Interferes with Windows timer frequencyNeedsInvestigationOS-Windowscompiler/runtime

#28255 opened 3 years ago by stevenh

segfault during test using -coverpkg and -raceNeedsInvestigationRaceDetector

#28109 opened 3 years ago by yonderblue

arena mapping creates large core files and bad mlockall behaviorNeedsFixPerformance

#28081 opened 3 years ago by randall77

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

#28062 opened 3 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 3 years ago by paulzhol

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

#27993 opened 3 years ago by ianlancetaylor

CallersFrames showing mangled package path for nonASCII pkg nameNeedsInvestigationcompiler/runtime

#27835 opened 3 years ago by thanm

string concatenation specializations for performanceNeedsInvestigationPerformancecompiler/runtime

#27801 opened 3 years ago by quasilyte

mark assist blocks GC microbenchmark for 7msGarbageCollectorNeedsInvestigationPerformancecompiler/runtime

#27732 opened 3 years ago by dr2chase

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

#27693 opened 3 years ago by rmmh

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

#27678 opened 3 years ago by rockmenjack

feature request: Support for ASLR with the heapNeedsInvestigationcompiler/runtime

#27583 opened 3 years ago by lattera

system experienced long pauses during GC markingGarbageCollectorNeedsInvestigationWaitingForInfocompiler/runtime

#27410 opened 4 years ago by fmstephe

use parent goroutine's stack for new goroutinesNeedsInvestigationPerformancecompiler/runtime

#27345 opened 4 years ago by josharian

transparent hugepages on linux/mipsle causes segfaultsNeedsInvestigationcompiler/runtime

#26898 opened 4 years ago by josharian

defer/recover support in race detectorNeedsInvestigationRaceDetector

#26813 opened 4 years ago by adilbaig

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

#26734 opened 4 years ago by opennota

pack info into low bits of interface type pointersNeedsDecisionPerformancecompiler/runtime

#26680 opened 4 years ago by josharian

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

#26625 opened 4 years ago by aclements

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

#26320 opened 4 years ago by ainar-g

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

#26275 opened 4 years ago by ainar-g

g0 stack.lo is sometimes too lowNeedsFixcompiler/runtime

#26061 opened 4 years ago by aclements

use wrappers for op= map operationsNeedsInvestigationPerformancecompiler/runtime

#26059 opened 4 years ago by randall77

SIGSEGV when building on freebsd ARMNeedsInvestigationOS-FreeBSDcompiler/runtime

#25770 opened 4 years ago by artooro

TestGdbPython flaky on linux-mipsle builderNeedsInvestigationTestingcompiler/runtimehelp wanted

#25697 opened 4 years ago by bcmills

support resuming a single goroutine under debuggersDebuggingNeedsInvestigationcompiler/runtime

#25578 opened 4 years ago by aclements

can not read stacktrace from a core fileDebuggingNeedsInvestigationcompiler/runtime

#25218 opened 4 years ago by aarzilli

android backtraces do not include go backtraceNeedsInvestigationOS-Androidcompiler/runtime

#25035 opened 4 years ago by zx2c4

sparse zeroing in mallocgcPerformancecompiler/runtime

#24928 opened 4 years ago by josharian

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

#24793 opened 4 years ago by randall77

add g.pPerformancecompiler/runtime

#24686 opened 4 years ago by josharian

gentraceback no longer skips stack frames when printingNeedsFixcompiler/runtime

#24628 opened 4 years ago by odeke-em

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

#24394 opened 4 years ago by patricklunney

Go runtime in DLL marks stdin/out/err not inherited on WindowsNeedsInvestigationOS-Windowscompiler/runtime

#24328 opened 4 years ago by tomcnolan

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

#24308 opened 4 years ago by mfrw

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

#24284 opened 4 years ago by robpike

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

#24267 opened 4 years ago by eliasnaur

optimize comparison of large values with zeroPerformancecompiler/runtime

#23929 opened 4 years ago by josharian

always log GC details in-memoryNeedsFixcompiler/runtime

#23815 opened 4 years ago by heschi

stack grow panic tracing back through sigpanic from signal handlerNeedsInvestigation

#23484 opened 4 years ago by eliasnaur

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

#23479 opened 4 years ago by kneden

make defs_$GOOS.go regeneratableNeedsInvestigationcompiler/runtime

#23341 opened 4 years ago by hirochachacha

memmove sometimes faster than memclrNoHeapPointersNeedsInvestigationPerformancecompiler/runtime

#23306 opened 4 years ago by alandonovan

high contention in mheap_.lock causing low CPU utilization on allocation-intensive workloadNeedsInvestigationPerformancecompiler/runtime

#23182 opened 4 years ago by bryanpkc

delineate multiple panics by adding newlines between themNeedsFixhelp wanted

#23097 opened 4 years ago by dotaheor

unsafe pointer mapsNeedsInvestigationcompiler/runtime

#22931 opened 4 years ago by RLH

gdb tests fail on NetBSDNeedsInvestigationOS-NetBSDcompiler/runtimehelp wanted

#22893 opened 4 years ago by bradfitz

fractional worker preemption causes performance degradation for single cpuNeedsInvestigationPerformancecompiler/runtime

#22693 opened 4 years ago by TocarIP

goroutines linger in GC assist queueNeedsInvestigationPerformancecompiler/runtime

#22654 opened 4 years ago by rhysh

TestWindowsStackMemoryCgo is flakyNeedsInvestigationOS-Windowscompiler/runtimehelp wanted

#22575 opened 4 years ago by alexbrainman

race detector: more aggressive scheduler perturbationsNeedsInvestigationRaceDetectorcompiler/runtime

#22569 opened 4 years ago by bcmills

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

#22553 opened 4 years ago by alexbrainman

expose faketime for testing on normal architecturesNeedsInvestigationcompiler/runtime

#22549 opened 4 years ago by whyrusleeping

TestLldbPython test fails with lldb 3.8 on linuxNeedsFixTestingcompiler/runtimehelp wanted

#22299 opened 4 years ago by hyangah

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

#22227 opened 4 years ago by 0intro

test failures introduced on ppc64le with change to improve fastrandNeedsInvestigation

#22047 opened 4 years ago by laboger

ebpf uretprobe supportOS-Linuxcompiler/runtimehelp wanted

#22008 opened 4 years ago by shashankmjain

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

#21931 opened 4 years ago by minaevmike

big performance penalty with runtime.LockOSThreadNeedsInvestigationcompiler/runtime

#21827 opened 5 years ago by navytux

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

#21805 opened 5 years ago by maxhora

add mode for pointer-past-end testingNeedsFixcompiler/runtime

#21730 opened 5 years ago by aclements

improve "sweep increased allocation count" diagnosticsNeedsFixcompiler/runtime

#21729 opened 5 years ago by aclements

Reducing theoretical heap fragmentationGarbageCollector

#21695 opened 5 years ago by RLH

improve barrier implementation layeringNeedsFixcompiler/runtime

#21640 opened 5 years ago by josharian

apply strength reduction optimizations to generic map routinesPerformancecompiler/runtime

#21639 opened 5 years ago by josharian

audit mapfast routines for indirectvalue supportNeedsFixTestingcompiler/runtime

#21547 opened 5 years ago by josharian

add and use go:nosplitrec compilation directiveNeedsFixcompiler/runtime

#21314 opened 5 years ago by ianlancetaylor

label runtime functions based on their rolesFeatureRequestNeedsFixcompiler/runtimehelp wanted

#21190 opened 5 years ago by hyangah

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

#21078 opened 5 years ago by ianlancetaylor

cannot run GO in Windows Server 2016NeedsInvestigationOS-Windows

#21060 opened 5 years ago by Westwoodmayim

sub optimal gc scalabilityNeedsInvestigationPerformance

#21056 opened 5 years ago by TocarIP

textflag for CABINeedsFixhelp wanted

#21004 opened 5 years ago by crawshaw

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

#20822 opened 5 years ago by jvshahid

TestGdbPython* fails on solarisNeedsFixOS-SolarisTestingcompiler/runtime

#20821 opened 5 years ago by binarycrusader

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

#20748 opened 5 years ago by bcmills

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

#20588 opened 5 years ago by nizsheanez

make crashing more useful on WindowsNeedsFixOS-Windowscompiler/runtimehelp wanted

#20498 opened 5 years ago by bhiggins

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

#20351 opened 5 years ago by bradfitz

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

#20307 opened 5 years ago by josharian

shrink map as elements are deletedNeedsFixPerformancecompiler/runtime

#20135 opened 5 years ago by genez

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

#20082 opened 5 years ago by fjl

TestSetGCPercent flakyNeedsInvestigationTestingcompiler/runtimehelp wanted

#20076 opened 5 years ago by josharian

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

#20005 opened 5 years ago by sorear

reuse evacuated map overflow bucketsPerformancecompiler/runtime

#19992 opened 5 years ago by josharian

crash in hybrid barrier initializing C memoryNeedsInvestigationcompiler/runtime

#19928 opened 5 years ago by rsc

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

#19744 opened 5 years ago by bronze1man

performance problem with many Cgo callsPerformancecompiler/runtime

#19574 opened 5 years ago by petermattis

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

#19509 opened 5 years ago by martisch

measure actual CPU time of GCcompiler/runtime

#19497 opened 5 years ago by aclements

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

#19495 opened 5 years ago by navytux

avoid multiple returns from deferproccompiler/runtime

#19466 opened 5 years ago by randall77

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

#19465 opened 5 years ago by bcmills

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

#19409 opened 5 years ago by josharian

do map growth work on readsPerformancecompiler/runtime

#19094 opened 5 years ago by josharian

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

#19057 opened 5 years ago by ianlancetaylor

timeout in runtime/pprof on linux-amd64-raceNeedsInvestigationTestingcompiler/runtime

#18884 opened 5 years ago by dsnet

refactor assembly for C calls in signal handlerscompiler/runtime

#18352 opened 5 years ago by bcmills

dlopen/dlsym without CGocompiler/runtime

#18296 opened 5 years ago by iamacarpet

scheduler is slow when goroutines are frequently wokenNeedsInvestigationPerformance

#18237 opened 5 years ago by philhofer

frequent blocking syscalls cause high sysmon overheadNeedsInvestigationPerformancecompiler/runtime

#18236 opened 5 years ago by philhofer

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

#18155 opened 5 years ago by rhysh

stack growth during critical section harms performanceNeedsInvestigationPerformancecompiler/runtime

#18020 opened 5 years ago by gyuho

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

#17969 opened 5 years ago by rhysh

nice -20 causes thread exhaustion on ARMNeedsInvestigation

#17803 opened 5 years ago by shahinv

remove all pointers from type informationcompiler/runtime

#17724 opened 5 years ago by crawshaw

preemption takes longer on OpenBSDNeedsInvestigationOS-OpenBSDcompiler/runtime

#17712 opened 5 years ago by mdempsky

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

#17575 opened 5 years ago by kayuuzu

remove mutex from UDP reads/writesNeedsInvestigationPerformance

#17520 opened 5 years ago by neild

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

#17366 opened 5 years ago by bradfitz

expose number of running/runnable goroutinesNeedsFixearly-in-cycle

#17089 opened 6 years ago by fd

mark long lived objects with a special flagFeatureRequestNeedsDecisioncompiler/runtime

#17047 opened 6 years ago by dlsniper

profile goroutine creationNeedsDecision

#16894 opened 6 years ago by rhysh

simplify brk_ usage on plan9OS-Plan9compiler/runtime

#16839 opened 6 years ago by josharian

use frame pointers for callersNeedsFixPerformanceearly-in-cycle

#16638 opened 6 years ago by dvyukov

main_init_done can be implemented more efficientlyNeedsFixPerformancecompiler/runtime

#15943 opened 6 years ago by ianlancetaylor

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

#15861 opened 6 years ago by mstoykov

pprof should report non-heap memoryFeatureRequestNeedsFixcompiler/runtime

#15848 opened 6 years ago by aclements

add SchedStats APIFeatureRequestProposalProposal-Holdearly-in-cycle

#15490 opened 6 years ago by deft-code

significant performance improvement on single core machinescompiler/runtime

#15395 opened 6 years ago by icecrime

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

#15290 opened 6 years ago by davecheney

floating point error panicOS-Plan9compiler/runtime

#15234 opened 6 years ago by sirnewton01

avoid unnecessary work in allocSpanLockedcompiler/runtime

#15226 opened 6 years ago by josharian

current heapdump format is undocumentedDocumentationNeedsFixcompiler/runtime

#15169 opened 6 years ago by mdempsky

40us pause in file-backed serve loopsPerformancecompiler/runtime

#15110 opened 6 years ago by dbentley

hot vars and cache linesNeedsInvestigationcompiler/runtime

#14980 opened 6 years ago by josharian

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

#14921 opened 6 years ago by josharian

x_cgo_init determines stacklo incorrectly for some Solaris versionscompiler/runtime

#14865 opened 6 years ago by binarycrusader

GC causes latency spikesNeedsInvestigationPerformanceWaitingForInfocompiler/runtimeearly-in-cycle

#14812 opened 6 years ago by Dieterbe

117

throttle heap growthcompiler/runtime

#14735 opened 6 years ago by dvyukov

add softfloat for mips64?compiler/runtime

#14635 opened 6 years ago by minux

let idle OS threads exitNeedsDecision

#14592 opened 6 years ago by brianmario

rationalize runtime.ErrorsGo2Go2CleanupProposal

#14443 opened 6 years ago by aclements

_cgoCheckPointer0 extreme overheadcompiler/runtime

#14265 opened 6 years ago by tgulacsi

GC should wake up idle PsNeedsFixPerformancecompiler/runtime

#14179 opened 6 years ago by aclements

improve performance of IndexByte on older processorsNeedsFixPerformancecompiler/runtime

#14059 opened 6 years ago by randall77

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

#13641 opened 6 years ago by laboger

c-shared builds fail with musllibccompiler/runtime

#13492 opened 6 years ago by mdempsky

additional memory profiler report modes or similar

#13463 opened 6 years ago by dvyukov

annotation for sysAlloced types

#13386 opened 6 years ago by aclements

print all threads in GOTRACEBACK >= allNeedsFixcompiler/runtime

#13161 opened 6 years ago by aclements

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

#13056 opened 6 years ago by mdempsky

Plan 9 stuck forever in TestNoHelperGoroutinesOS-Plan9compiler/runtime

#12992 opened 6 years ago by bradfitz

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

#12952 opened 6 years ago by nodirt

runtime-gdb_test mapvar failure on Fedora 20compiler/runtime

#12830 opened 6 years ago by MartinSteffen

memory and performance degradationcompiler/runtime

#12640 opened 7 years ago by dvyukov

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

#12516 opened 7 years ago by superbaddude

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

#12465 opened 7 years ago by AkihiroSuda

revisit non-constant assist ratiocompiler/runtime

#12234 opened 7 years ago by aclements

check for no preemption during write barriercompiler/runtime

#12069 opened 7 years ago by rsc

check indirect calls for nosplitNeedsInvestigation

#12037 opened 7 years ago by rsc

reenable TestCgoCallbackGC on dragonflyNeedsFixOS-Dragonflycompiler/runtime

#11990 opened 7 years ago by mikioh

whole span reclaimer is expensivecompiler/runtime

#11979 opened 7 years ago by aclements

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

#11890 opened 7 years ago by matttproud

make panic dumps more readableNeedsDecisioncompiler/runtime

#11850 opened 7 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 7 years ago by hnakamur

refactor into separate subpackagesNeedsFixcompiler/runtime

#11647 opened 7 years ago by michaelmatloob

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

#11634 opened 7 years ago by Frumious

document P statesDocumentationcompiler/runtime

#11425 opened 7 years ago by aclements

support dlclose with -buildmode=c-sharedcompiler/runtime

#11100 opened 7 years ago by mattn

should traceTickDiv be different for different architectures?compiler/runtime

#10554 opened 7 years ago by minux

GC behavior in non-steady modecompiler/runtime

#10064 opened 7 years ago by dvyukov

dead Gs cause span fragmentationcompiler/runtime

#9869 opened 7 years ago by randall77

TestGdbLoadRuntimeSupport fails on non intel platforms

#9820 opened 7 years ago by davecheney

cgo performance tracking bugPerformance

#9704 opened 7 years ago by minux

support partial object collection in GCGarbageCollector

#9618 opened 7 years ago by yichengq

reduce StackGuardNeedsFix

#9214 opened 7 years ago by rsc

support parallel cache-oblivious algorithmsPerformance

#9129 opened 7 years ago by dvyukov

remove implementation restriction on channel element size

#9120 opened 7 years ago by bradfitz

make chan-based generators fasterPerformance

#8903 opened 7 years ago by dvyukov

special case chan struct{}Performance

#8902 opened 7 years ago by dvyukov

squeeze Hchan into 64 bytes Performance

#8901 opened 7 years ago by dvyukov

throttle goroutines on async chans Performance

#8900 opened 7 years ago by dvyukov

lock-free channelsPerformance

#8899 opened 7 years ago by dvyukov

special case timer channelsNeedsFixPerformanceearly-in-cycle

#8898 opened 7 years ago by dvyukov

fine-grained locking in selectPerformanceearly-in-cycle

#8896 opened 7 years ago by dvyukov

remove unnecessary allocations in convT2EPerformance

#8892 opened 7 years ago by dvyukov

don't do unnecessary loads on malloc fast pathPerformance

#8887 opened 7 years ago by dvyukov

don't pass *Type to new Performance

#8886 opened 7 years ago by dvyukov

efficient access to thread-local dataPerformance

#8884 opened 7 years ago by dvyukov

consider using SetFileIoOverlappedRangeOS-WindowsPerformance

#8883 opened 7 years ago by dvyukov

shrink stacks more aggressively on explicit GC

#8758 opened 8 years ago by randall77

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

#8739 opened 8 years ago by dvyukov

make GC runtime stats test run on GCE

#8634 opened 8 years ago by bradfitz

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

#8618 opened 8 years ago by randall77

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

#8491 opened 8 years ago by gopherbot

TestStackMem needs to be run in isolation to be accurate

#8446 opened 8 years ago by randall77

improve goroutine profiler

#7926 opened 8 years ago by dvyukov

use user-mode scheduling on WindowsOS-WindowsPerformanceThinking

#7876 opened 8 years ago by dvyukov

gc can add clock tick latency when HPETs are not used

#7763 opened 8 years ago by 4ad

stack traces of endless recursion should print top and bottomNeedsInvestigationhelp wanted

#7181 opened 8 years ago by griesemer

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

#7089 opened 8 years ago by randall77

CTRL_CLOSE_EVENT should generate SIGHUP on WindowsOS-WindowsSuggested

#6948 opened 8 years ago by anacrolix

sockets closed by remote peer may remain undetected by poller

#6753 opened 8 years ago by remyoudompheng

win32 should support more than 64 processorsOS-Windows

#6296 opened 9 years ago by lexprfuncall

threadcreate profile is brokencompiler/runtime

#6104 opened 9 years ago by dvyukov

problems running Windows binary under WINEOS-Windows

#5831 opened 9 years ago by hanwen

TestCgoCrashHandler and TestCgoSignalDeadlock compilation failure on openbsd/amd64OS-OpenBSD

#5415 opened 9 years ago by gopherbot

detect zombie goroutinesFeatureRequestNeedsDecision

#5308 opened 9 years ago by dvyukov

consider caching previous map hash valuePerformance

#5147 opened 9 years ago by bradfitz

add a "goroutine apply all" function to GDB plugin

#4439 opened 9 years ago by remyoudompheng

runtime.Caller returns always '/' separator in file paths on WindowsNeedsDecisionOS-Windows

#3335 opened 10 years ago by gopherbot

windows DLL mappings interfere with 32-bit memory allocationOS-Windowshelp wanted

#2323 opened 11 years ago by gopherbot