runtime

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

#52963 opened 18 hours ago by bcmills

new goroutine launches can starve other work indefinitelyNeedsInvestigation

#52934 opened 2 days ago by rhysh

enhance map cacheline efficiency via prefetchNeedsInvestigationPerformance

#52902 opened 5 days ago by simonhf

`fatal error: fault` in `reflect.Value.Call` under `maymorestack=mayMoreStackMove` on windows-amd64-longtestNeedsInvestigationOS-Windowsrelease-blocker

#52800 opened 1 week ago by bcmills

timeout in TestSelectStackAdjust on openbsd-arm64-jsingNeedsInvestigationOS-OpenBSDarch-arm64

#52795 opened 1 week ago by bcmills

TestSpuriousWakeupsNeverHangSemasleep failure with `file already closed` on solaris-amd64-oraclerelNeedsInvestigation

#52725 opened 1 week ago by bcmills

timeouts in TestChan on netbsd-arm64-bsiegert and openbsd-arm64-jsingNeedsInvestigationOS-NetBSDOS-OpenBSDarch-arm64

#52703 opened 2 weeks ago by bcmills

total allocation stats are managed in a `uintptr` which can quickly wrap around on 32-bit architectures [1.18 backport]CherryPickApproved

#52689 opened 2 weeks ago by gopherbot

total allocation stats are managed in a `uintptr` which can quickly wrap around on 32-bit architectures [1.17 backport]CherryPickApproved

#52688 opened 2 weeks ago by gopherbot

sysMemStat overflow on openbsd-mips64-jsingNeedsInvestigationOS-OpenBSDarch-mipshelp wanted

#52682 opened 2 weeks ago by mknyszek

frequent TestPreemptionAfterSyscall failures on freebsd-arm-paulzholNeedsInvestigationOS-FreeBSDarch-arm

#52679 opened 2 weeks ago by bcmills

SIGSEGV on netbsd-arm64-bsiegert during bootstrappingNeedsInvestigationOS-NetBSDarch-arm64

#52678 opened 2 weeks ago by bcmills

improve the "best effort" of the execution tracer's CPU sample deliveryNeedsInvestigation

#52674 opened 2 weeks ago by rhysh

check use of osyield in signal handlersNeedsInvestigation

#52672 opened 2 weeks ago by rhysh

"found pointer to free object" during asyncPreempt2 on ios-arm64-corelliumNeedsInvestigationOS-Darwinarch-arm64mobile

#52657 opened 2 weeks ago by bcmills

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

#52652 opened 2 weeks ago by alphadose

`exit status 0xc0000374` (`STATUS_HEAP_CORRUPTION`) on windows-amd64-longtestNeedsInvestigationOS-Windowsrelease-blocker

#52647 opened 2 weeks ago by bcmills

unable to backtrace program using Go shared objectWaitingForInfo

#52608 opened 2 weeks ago by pdefrain

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

#52576 opened 3 weeks ago by bcmills

intermittent "failed to create new OS thread" on Windows since 2022-01-24NeedsInvestigationOS-Windowsrelease-blocker

#52572 opened 3 weeks ago by bcmills

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

#52548 opened 3 weeks ago by bcmills

OOM in time_test.TestUnixMilli on solaris-amd64-oraclerelNeedsInvestigation

#52547 opened 3 weeks ago by bcmills

dump a summary of heap stats on OOMNeedsInvestigation

#52546 opened 3 weeks ago by bcmills

incorrect forced information in gctraceNeedsInvestigation

#52515 opened 3 weeks ago by WangLeonard

TestSelectFairness failures with "unfair select"NeedsInvestigation

#52465 opened 3 weeks ago by bcmills

heap goal overrun due to scheduler delays in mark terminationNeedsInvestigation

#52433 opened 4 weeks ago by mknyszek

mexit leads to SIGSEGV due to g.m becoming nilNeedsInvestigation

#52394 opened 1 month ago by 4a6f656c

network read using a lot of CPUWaitingForInfo

#52341 opened 1 month ago by vinoblade

SIGABRT ABORT, runtime.raise_trampoline.abi0 + 462 (sys_darwin_arm64.s:462) for Mac Catalyst targets running on arm64NeedsInvestigationOS-Darwinarch-arm64

#52299 opened 1 month ago by CatStudioApp

process hangs after moving to go 1.17WaitingForInfo

#52178 opened 1 month ago by sanjayvora

C.setgid hangs on LinuxNeedsInvestigation

#52141 opened 1 month ago by qmuntal

Breakpoint SIGSEGV on ppc64leNeedsFixarch-ppc64x

#52101 opened 1 month ago by alexsaezm

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

#52093 opened 1 month ago by ysmood

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

#52043 opened 1 month ago by bcmills

add HeapMarked to MemStatsProposal

#51966 opened 1 month ago by doujiang24

segment violation when large slice allocation on riscv64NeedsInvestigation

#51835 opened 1 month ago by jagan-sivakumar

doAllThreadsSyscall has an unaligned atomic load on 32-bit architecturesNeedsDecision

#51776 opened 2 months ago by mknyszek

FuncForPC FileLine returns autogenerated instead of actual pathNeedsInvestigation

#51774 opened 2 months ago by vearutop

unexpected return pc for runtime.gopark called from 0x4NeedsInvestigation

#51707 opened 2 months ago by neo-hu

TestGdbPythonCgo fails on arm w/1.18NeedsInvestigation

#51694 opened 2 months ago by satmandu

preserve extra M across calls from C to GoNeedsInvestigationhelp wanted

#51676 opened 2 months ago by doujiang24

modified timer results in extreme cpu loadNeedsInvestigation

#51654 opened 2 months ago by bjosv

test failure with `segmentation fault` (and no other output) on `linux-ppc64le-buildlet`NeedsInvestigationOS-Linuxarch-ppc64x

#51600 opened 2 months ago by bcmills

optimize channel filling idiomNeedsDecisionPerformance

#51553 opened 2 months ago by CAFxX

timeout in TestNoShrinkStackWhileParking on openbsdNeedsInvestigationOS-OpenBSD

#51482 opened 2 months ago by prattmic

"found pointer to free object" on aix-ppc64NeedsInvestigationOS-AIXarch-ppc64x

#51481 opened 2 months ago by bcmills

deprecate GOROOT() functionProposalProposal-Hold

#51473 opened 2 months ago by rittneje

frequent test timeouts on solaris-amd64-oraclerelBuildersNeedsInvestigationOS-Solaris

#51443 opened 2 months ago by bcmills

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

#51341 opened 2 months ago by bcmills

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

#51276 opened 2 months ago by octobered

esbuild sometimes crashes with `fatal: morestack on g0` on 64-bit WindowsNeedsInvestigationOS-Windows

#51266 opened 2 months ago by evanw

stackGuardMultiplierDefault is not usefulNeedsInvestigation

#51256 opened 2 months ago by cherrymui

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

#51113 opened 3 months ago by szuecs

clean up system call codeNeedsInvestigation

#51087 opened 3 months ago by prattmic

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

#51071 opened 3 months ago by hnes

"fatal: systemstack called from unexpected goroutine" on android/amd64NeedsInvestigationOS-Androidrelease-blocker

#51001 opened 3 months ago by bcmills

continuing TestSegv/SegvInCgo failures with "unknown pc"NeedsInvestigationarch-arm

#50979 opened 3 months ago by bcmills

debug output for fatal signal during signal handling.NeedsDecision

#50952 opened 3 months ago by prattmic

FreeBSD nanotime performance regression with different CPU setupsNeedsInvestigationOS-FreeBSDPerformance

#50947 opened 3 months ago by TriAnMan

crashes with "sys: trap: invalid opcode" on plan9/386NeedsInvestigationOS-Plan9

#50878 opened 3 months ago by bcmills

don't crash in exception handler on windows/arm64NeedsInvestigationOS-Windowsarch-arm64

#50877 opened 3 months ago by TopperDEL

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

#50834 opened 3 months ago by bcmills

crash in memmove on loongson 3a4000 (mips64le)NeedsInvestigation

#50728 opened 3 months ago by runner-mei

gc sweepone bad spanWaitingForInfo

#50727 opened 3 months ago by chwetion

frequent ReadMemStats will cause heap_live to exceed next_gc NeedsInvestigation

#50592 opened 4 months ago by WangLeonard

"schedule: holding locks" on plan9-armNeedsInvestigationOS-Plan9

#50560 opened 4 months ago by bcmills

Windows profilem may profile Ms after unminitNeedsFix

#50557 opened 4 months ago by prattmic

traceback throw from VDSO reachable via raw asmcgocallNeedsFix

#50504 opened 4 months ago by prattmic

add parameters to recover to only return specific typesProposal

#50424 opened 4 months ago by letian0805

print register state for all crashes (user panics, ...) NeedsInvestigation

#50294 opened 4 months ago by aktau

access violation in gentraceback on windows/386NeedsInvestigationOS-Windows

#50144 opened 5 months ago by bcmills

frequent failures with "sys: trap: fault" or "fatal error: fault" on plan9-386-0introNeedsInvestigationOS-Plan9

#50137 opened 5 months ago by bcmills

mkfastlog2table produces different output on darwin/arm64NeedsFix

#49891 opened 5 months ago by josharian

upgrade to v3 version of race detectorearly-in-cycle

#49761 opened 5 months ago by randall77

TestSignalIgnoreSIGTRAP failures on openbsdNeedsInvestigationOS-OpenBSDhelp wanted

#49725 opened 5 months ago by bcmills

"panic during panic" on plan9 buildersNeedsInvestigationOS-Plan9

#49684 opened 6 months ago by bcmills

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

#49681 opened 6 months ago by bcmills

Simple HTTP server causes high thread count on macOS MontereyNeedsInvestigation

#49679 opened 6 months ago by chrisprobst

"out of memory" in heapsampling.go on 386 and wasm since 2021-11-05NeedsInvestigationarch-386arch-wasmrelease-blocker

#49564 opened 6 months ago by bcmills

gc pause bursts after upgrading from 1.16 to 1.17NeedsInvestigation

#49542 opened 6 months ago by dop251

introduce growbyteslice?NeedsInvestigation

#49480 opened 6 months ago by quasilyte

use MiniDumpWriteDump for GOTRACEBACK=crash on WindowsProposalProposal-AcceptedProposal-FinalCommentPeriod

#49471 opened 6 months ago by zx2c4

newosproc doesn't handle clone returning EAGAINNeedsInvestigation

#49438 opened 6 months ago by asuffield

`TestArenaCollision` should be skipped when `sysReserve` cannot return an address based on the given hintNeedsDecision

#49415 opened 6 months ago by hajimehoshi

canonical 48-bit address bug in lfstackNeedsInvestigation

#49405 opened 6 months ago by Sonicadvance1

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

#49382 opened 6 months ago by bcmills

SIGSEGV in log.(*Logger).formatHeaderWaitingForInfo

#49262 opened 6 months ago by vkatopod

AVX512 register state clobbered by signal on macOSNeedsInvestigationOS-Darwin

#49233 opened 6 months ago by vsivsi

debug call injection tests contain many unsafe write barriersNeedsInvestigationTesting

#49169 opened 6 months ago by mknyszek

bad crash output for synchronous signal in the VDSONeedsFix

#49156 opened 6 months ago by prattmic

initialization order within a file appears to have changedNeedsInvestigation

#49150 opened 6 months ago by cosnicolaou

possible memory corruptionNeedsInvestigation

#49075 opened 7 months ago by katiehockman

optimize memmove for 1-16 MB overlapping case on AMD64NeedsInvestigationPerformance

#49058 opened 7 months ago by weishi-deng

unnecessary return in netpollNeedsInvestigationWaitingForInfo

#49026 opened 7 months ago by zhouguangyuan0718

audit lock/atomic-free accesses in pollDescNeedsInvestigation

#49008 opened 7 months ago by prattmic

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

#48997 opened 7 months ago by tetsuok

fatal error: stack growth after forkNeedsInvestigation

#48967 opened 7 months ago by honsunrise

fatal error: unknown caller pcNeedsInvestigation

#48921 opened 7 months ago by zhaoyiping0622

apparent deadlock in TestConcurrentReadsAfterGrowth on FreeBSDNeedsInvestigationOS-FreeBSD

#48764 opened 7 months ago by bcmills

enhance map cacheline efficiencyNeedsInvestigationPerformance

#48687 opened 7 months ago by simonhf

possible contention on epollwaitNeedsInvestigation

#48428 opened 8 months ago by zizon

memmove executes unaligned accesses on riscv64Performancearch-riscv

#48248 opened 8 months ago by mundaym

fatal error: acquireSudog: found s.elem != nil in cacheNeedsInvestigation

#48188 opened 8 months ago by AdamKorcz

SIGBUS in runtime.retake on freebsd-amd64-12_2NeedsInvestigationOS-FreeBSD

#48077 opened 8 months ago by bcmills

hangs on windows with golang >= 1.14NeedsInvestigationOS-Windows

#48059 opened 8 months ago by suikast42

allocation performance worse on two socket serverNeedsInvestigation

#47831 opened 9 months ago by gangdeng-intel

scavenger not freeing all possible memory on darwinNeedsInvestigation

#47656 opened 9 months ago by josharian

large initial values for GOMAXPROCS can cause runtime test failuresNeedsInvestigation

#47246 opened 10 months ago by laboger

arm FreeBSD should work around missing ELF auxiliary vectorsFeatureRequestNeedsInvestigationOS-FreeBSD

#47006 opened 10 months ago by clausecker

unexpected return pc for golang.goparkNeedsInvestigation

#47003 opened 10 months ago by imcom

some runtime throws print all goroutine stack dumps by defaultNeedsInvestigation

#46995 opened 10 months ago by mvdan

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

#46895 opened 10 months ago by inkeliz

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

#46850 opened 11 months ago by laboger

document gctrace output in relation to MemStatsDocumentationNeedsInvestigation

#46846 opened 11 months ago by JohnRusk

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

#46827 opened 11 months ago by seebs

"found pointer to free object" on plan9-armNeedsInvestigationOS-Plan9

#46822 opened 11 months ago by prattmic

provide Pinner API for object pinningProposalProposal-AcceptedProposal-FinalCommentPeriod

#46787 opened 11 months ago by ansiwen

100

stack traces do not indicate the caller for deferred callsNeedsInvestigation

#46757 opened 11 months ago by bcmills

unexpected signal during runtime execution - segmentation violation SIGSEGVWaitingForInfo

#46666 opened 11 months ago by levesquejf

drop NetBSD kernel bug sysmon workaround fixed in NetBSD 9.2NeedsFixOS-NetBSD

#46495 opened 11 months ago by prattmic

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

#46354 opened 11 months ago by mknyszek

misleading panic information when an unexpected signal is received running signal handlerNeedsInvestigation

#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 mutatorNeedsInvestigationPerformance

#45894 opened 1 year ago by rhysh

"morestack on g0" on freebsd-386NeedsInvestigationOS-FreeBSD

#45887 opened 1 year ago by bcmills

broken work conservation due to CL 310850NeedsFix

#45867 opened 1 year ago by bcmills

stacktrace for deferred code which panics is too subtle for meNeedsInvestigation

#45794 opened 1 year ago by seebs

netpoll port_getn() fails with impossible errno on illumosNeedsInvestigationOS-Solaris

#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)]++NeedsDecision

#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"NeedsInvestigation

#45017 opened 1 year ago by rfx77

GODEBUG=efence=1 causes panic during build on M1NeedsInvestigationarch-arm64

#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 SurNeedsInvestigation

#44941 opened 1 year ago by VojtechVitek

"found pointer to free object" on solaris-amd64-oraclerelNeedsInvestigationOS-Solaris

#44902 opened 1 year ago by bcmills

enable address sanitizer in GoProposalProposal-AcceptedProposal-FinalCommentPeriod

#44853 opened 1 year ago by zhangfannie

fatal error: newproc1: new g is not GdeadNeedsInvestigation

#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)NeedsInvestigation

#44554 opened 1 year ago by pitr

"runlock of unlocked rwmutex" on plan9-armNeedsInvestigationOS-Plan9arch-arm

#44545 opened 1 year ago by bcmills

time.Sleep takes more time than expectedNeedsInvestigationOS-LinuxOS-Windows

#44343 opened 1 year ago by egonelbre

timeout in TestNeedmDeadlock on darwin-amd64-10_12 builderNeedsInvestigation

#44303 opened 1 year ago by bcmills

cgo can't set new environment variables for GoNeedsInvestigation

#44108 opened 1 year ago by rakeshlacework

fatal error: unknown caller pcWaitingForInfo

#44096 opened 1 year ago by xqzhang2015

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

#44093 opened 1 year ago by randomascii

mallocgc give "span has no free objects"WaitingForInfo

#44082 opened 1 year ago by stupidjohn

slice bounds out of range: panic during panicWaitingForInfo

#44075 opened 1 year ago by pmishchenko-ua

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

#43969 opened 1 year ago by abhi-m-simformsolutons

fatal error: unknown caller pcNeedsFix

#43942 opened 1 year ago by mdempsky

Crash in autogenerated function NeedsInvestigation

#43934 opened 1 year ago by hagarjibm

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

#43873 opened 1 year ago by problame

SIGSEGV in (*mheap).alloc via mallocgcNeedsInvestigation

#43843 opened 1 year ago by bcmills

deadlock at _cgo_wait_runtime_init_done in LD_PRELOAD soNeedsInvestigation

#43836 opened 1 year ago by james-li

hang in TestGdbAutotmpTypes on linux-mips64le-mengzhuo builderNeedsInvestigation

#43825 opened 1 year ago by bcmills

enable scheduler randomization independent of the race detectorFeatureRequestNeedsInvestigation

#43794 opened 1 year ago by josharian

helloworld net/http asks 700MB VSS on mips32NeedsInvestigation

#43699 opened 1 year ago by laoshaw

heap, allocs, block, and mutex profiles truncate stacks at 32 framesNeedsDecision

#43669 opened 1 year ago by aclements

TestCallbackInAnotherThread timeout on windows-arm-zx2c4NeedsInvestigationOS-Windows

#43668 opened 1 year ago by bcmills

TestNeedmDeadlock failure with SIGSEGV on linux-mips-rtrk builderNeedsInvestigation

#43625 opened 1 year ago by bcmills

unexpected return pc for runtime.sigpanic called from 0x1NeedsInvestigation

#43496 opened 1 year ago by egonelbre

non CGO application segfaulted onceNeedsInvestigationWaitingForInfo

#42977 opened 1 year ago by szuecs

os/exec fatal error: all goroutines are asleep - deadlock! on mips64NeedsInvestigation

#42825 opened 1 year ago by JGbooks

ill-fated GC outcome in spiky/bursty scenariosGarbageCollectorNeedsInvestigation

#42805 opened 2 years ago by raulk

Running two go program with 1GB mem GC not releases free package variable memNeedsInvestigation

#42780 opened 2 years ago by wasmup

efence=1 and cgocheck=2 are not mutually compatibleNeedsInvestigation

#42724 opened 2 years ago by bradfitz

work.cycles should consider integer overflowNeedsDecision

#42664 opened 2 years ago by qingyunha

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

#42649 opened 2 years ago by vsivsi

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

#42543 opened 2 years ago by bcmills

Goexit doesn't crash the programNeedsInvestigation

#42505 opened 2 years ago by fxrlv

TestCrashDumpsAllThreads fails on openbsd/mips64NeedsInvestigationOS-OpenBSD

#42464 opened 2 years ago by 4a6f656c

GC pacer problems meta-issueNeedsInvestigationPerformanceumbrella

#42430 opened 2 years ago by mknyszek

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

#42422 opened 2 years ago by 4a6f656c

"out of memory allocating heap arena map" on solaris-amd64-oraclerelNeedsInvestigation

#42359 opened 2 years ago by bcmills

difficult to find memory leak that is a result lots of defers in a hot loopNeedsInvestigation

#42357 opened 2 years ago by leighhopcroft

'unexpected fault address 0x0' in crypto/sha256.blockGeneric on linux/mips64leNeedsInvestigation

#42229 opened 2 years ago by XiaodongLoong

deadlock at _cgo_wait_runtime_init_doneNeedsInvestigationOS-Windows

#42190 opened 2 years ago by tungmangtdh3

implicit allocations allowed in the runtimeFeatureRequestNeedsInvestigation

#42158 opened 2 years ago by randall77

TestCgoExecSignalMask failures due to apparent deadlock on *BSDNeedsInvestigationOS-FreeBSDOS-NetBSD

#42093 opened 2 years ago by bcmills

debugCheckBP = true crashes compiler compilation on WindowsNeedsInvestigationOS-Windows

#41995 opened 2 years ago by egonelbre

heap pageAlloc.searchAddr strategy may be wrongNeedsInvestigation

#41989 opened 2 years ago by dreamerjackson

selectgo need not lock all the channels involved in the select NeedsInvestigation

#41948 opened 2 years ago by dreamerjackson

lack of checking of pointer returned by sysAllocNeedsInvestigation

#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-Windows

#41450 opened 2 years ago by bcmills

bad "deadlock" fatal error when there are pending finalizersNeedsInvestigation

#41362 opened 2 years ago by mdempsky

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

#41303 opened 2 years ago by navytux

process crash instead of panic on SIGBUS with SetPanicOnDefault(true)NeedsFixhelp wanted

#41155 opened 2 years ago by florisch

remove VZEROUPPER patch once Darwin <10.15.6 is not supportedNeedsFixPerformanceearly-in-cycle

#41152 opened 2 years ago by cuonglm

TestCgoCCodeSIGPROF failures with SIGQUITNeedsInvestigationrelease-blocker

#41036 opened 2 years ago by bcmills

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 checkingNeedsFix

#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' undeclaredNeedsInvestigation

#40617 opened 2 years ago by kazmccullum

merge workarounds to false deadlocksNeedsFix

#40518 opened 2 years ago by prattmic

unexpected return pc for runtime.asmstdcallNeedsInvestigationOS-Windows

#40469 opened 2 years ago by chalkwu

goroutines may allocate beyond the hard heap goalNeedsFix

#40460 opened 2 years ago by mknyszek

fatal error: checkdead: inconsistent countsNeedsInvestigation

#40434 opened 2 years ago by prattmic

unexpected return pc for runtime.NeedsInvestigationOS-Windows

#40401 opened 2 years ago by chalkwu

select: fatal error: index out of rangeNeedsInvestigation

#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 functionsNeedsInvestigation

#40229 opened 2 years ago by shawn-xdji

long latency in mark assistNeedsInvestigation

#40225 opened 2 years ago by choleraehyq

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

#40131 opened 2 years ago by wangzz719

deprecate SetCPUProfileRate and replace body with panicNeedsFix

#40094 opened 2 years ago by rsc

libunwind is unable to unwind CGo to Go's stackNeedsInvestigation

#40044 opened 2 years ago by steeve

idle GC interferes with auto-scalingNeedsDecision

#39983 opened 2 years ago by aclements

unnecessary heap allocations when `range`ing over an empty arrayNeedsInvestigationPerformance

#39668 opened 2 years ago by kallsyms

SIGSEGV during sigpanic in TestCgoCallbackGC on netbsd-386-9_0 builderNeedsInvestigationOS-NetBSD

#39595 opened 2 years ago by bcmills

fixup darwin/arm64 framepointer assemblyNeedsFix

#39524 opened 2 years ago by eliasnaur

add race detector for ios/arm64NeedsInvestigation

#39521 opened 2 years ago by steeve

segfault during conservative scan of asynchronously preempted goroutineNeedsInvestigation

#39499 opened 2 years ago by jamesl33

"morestack on g0" in TestSegv on darwin-amd64 buildersNeedsInvestigationOS-Darwin

#39457 opened 2 years ago by bcmills

read-only accessor for gcpercentFeatureRequestNeedsInvestigation

#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-Windows

#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 waitNeedsInvestigation

#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-Windows

#39127 opened 2 years ago by bsrdjan

nmspinning's position in struct schedt NeedsInvestigation

#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

allow stack dump and debuggers access to the goroutine tree.Proposal

#38651 opened 2 years ago by firelizzard18

SIGSEGV during runtime init, in gcenableNeedsInvestigationWaitingForInfo

#38639 opened 2 years ago by wadey

weird panic while dumping non-pointer struct with wrapped errorNeedsInvestigation

#38601 opened 2 years ago by powerman

"fatal: systemstack called from unexpected goroutine" on armv6NeedsInvestigation

#38539 opened 2 years ago by diamondo25

support SSE2 memmove on older amd64 hardwareNeedsInvestigationPerformance

#38512 opened 2 years ago by barakmich

frequent "fatal error: checkdead: runnable g" on plan9 buildersNeedsInvestigationOS-Plan9

#38489 opened 2 years ago by bcmills

sema: many many goroutines queueing up on many many distinct addresses -> slowNeedsInvestigationPerformance

#38420 opened 2 years ago by navytux

timeout in TestCgoCCodeSIGPROF and TestCgoExecSignalMask on linux-ppc64le-buildletBuildersNeedsInvestigationarch-ppc64x

#38333 opened 2 years ago by bcmills

cgo calls are way faster when enabling CPU profileNeedsInvestigationPerformance

#38325 opened 2 years ago by didrocks

high startup address space usage (RLIMIT_AS) on Linux AMD64NeedsInvestigation

#38010 opened 2 years ago by pkramme

binary hangs on CatalinaNeedsInvestigation

#37885 opened 2 years ago by gadelkareem

TestGdbPythonCgo is flaky on linux-mips64le-rtrk builderNeedsInvestigationarch-mips

#37794 opened 2 years ago by bcmills

"workbuf is not empty" on BSD buildersNeedsInvestigation

#37793 opened 2 years ago by bcmills

Benchmarking reports unexpected memory allocation when using range with map structureNeedsInvestigation

#37757 opened 2 years ago by DhiaTN

name offset base pointer out of rangeNeedsInvestigation

#37712 opened 2 years ago by stevenh

save CPU registers for the frame calling runtime.sigpanicDebuggingNeedsInvestigation

#37683 opened 2 years ago by aarzilli

ThreadSanitizer failed to allocate / CHECK failedNeedsInvestigation

#37651 opened 2 years ago by sb10

ensuring support of debug.asyncpreemptoffNeedsInvestigation

#37575 opened 2 years ago by derekparker

"found bad pointer in Go heap" on solaris-amd64-oraclerel builderNeedsInvestigationOS-Solaris

#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

hangs in TestGdbBacktrace on linuxNeedsInvestigationOS-Linuxokay-after-beta1release-blocker

#37405 opened 2 years ago by bcmills

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

#37401 opened 2 years ago by bcmills

test hung in TestGdbAutotmpTypesNeedsInvestigation

#37366 opened 2 years ago by bcmills

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

#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 tradeoffsNeedsInvestigationPerformance

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

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

#36675 opened 2 years ago by tibetsam

sysUsed often called on non-scavenged memoryNeedsFixPerformance

#36603 opened 2 years ago by mknyszek

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

#36494 opened 2 years ago by aarzilli

make.bat hangsNeedsInvestigationOS-Windows

#36492 opened 2 years ago by alexbrainman

clean up async preemption loose endsNeedsFix

#36365 opened 2 years ago by aclements

pclntab is too bigNeedsInvestigationbinary-size

#36313 opened 2 years ago by robpike

go1.13.5/go tip worst gc pause time increase from go1.9.7 in darwin/amd64NeedsInvestigation

#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." NeedsInvestigation

#36029 opened 2 years ago by odeke-em

HeapSys increases until OOM terminationNeedsInvestigation

#35890 opened 2 years ago by savalin

always set up TLS on all G-register architectures?NeedsDecision

#35853 opened 2 years ago by cherrymui

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

#35848 opened 2 years ago by savalin

TestGdbPythonCgo failure with "malformed backtrace" on linux-amd64 builderNeedsInvestigation

#35743 opened 2 years ago by bcmills

timeout with GDB tests on aix/ppc64NeedsInvestigation

#35710 opened 2 years ago by Helflym

large address space footprint on 32-bit linuxNeedsInvestigation

#35677 opened 2 years ago by tmm1

de-duplicate bit operations with math/bitsNeedsDecision

#35569 opened 2 years ago by aclements

"unexpected signal during runtime execution" during bgscavenge on plan9-386-0introNeedsInvestigationOS-Plan9help 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

a runtime.Goexit call will cancel a panic, which seems unexpected/incorrectNeedsInvestigation

#35378 opened 2 years ago by danscales

support GOFLAGS=-race everywhereNeedsDecision

#35324 opened 2 years ago by eliasnaur

fatal error: unknown caller pc (libfuzz)NeedsInvestigation

#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 diagnosticsNeedsFix

#34954 opened 2 years ago by aclements

'unexpected fault address 0x0' in evacuate_fast32 on linux-mips64le-mengzhuo builderNeedsInvestigation

#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 namespaceNeedsInvestigation

#34607 opened 2 years ago by difrost

maybe allgs should shrink after peak loadNeedsInvestigation

#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 programNeedsInvestigation

#34288 opened 2 years ago by Lomanic

futex contention caused by memory allocation in goroutinesNeedsInvestigation

#34231 opened 2 years ago by flxkl

lock cycle between mheap_.lock and gcSweepBuf.spineLockNeedsInvestigation

#34156 opened 2 years ago by mknyszek

testtls ran too long on the android-amd64-emu trybotNeedsInvestigation

#33944 opened 2 years ago by mvdan

gc exhausts all cpu causing a short delay NeedsInvestigation

#33927 opened 2 years ago by Anteoy

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

#33803 opened 2 years ago by jcorbin

A QEMU signaling fix causes Go binaries to fail on startup.NeedsInvestigation

#33746 opened 2 years ago by joshkunz

unexpected fault address runtime.memhash16NeedsInvestigation

#33635 opened 2 years ago by kevinconaway

netpollWaiters typically not decrementedNeedsInvestigation

#33624 opened 2 years ago by rutsky

use PAGE_NOACCESS in sysReseveNeedsInvestigation

#33327 opened 2 years ago by alexbrainman

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

#33159 opened 2 years ago by mischief

raising the number of GOMAXPROCS cause oomNeedsInvestigation

#32950 opened 2 years ago by Anteoy

respect SA_RESETHAND when forwarding to non-Go signal handlerNeedsFix

#32659 opened 2 years ago by jimhuaang

allow FreeBSD users to choose between MADV_FREE and MADV_DONTNEEDNeedsInvestigationOS-FreeBSD

#32519 opened 2 years ago by araujobsd

performance degradation in high-load long running applicationsNeedsInvestigation

#32398 opened 3 years ago by akaspin

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

#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 builderNeedsInvestigation

#32026 opened 3 years ago by bcmills

occasional hangs in TestCgoCallbackGCNeedsInvestigationTesting

#32023 opened 3 years ago by bcmills

optionally (reliably) avoid netpoller NeedsInvestigation

#32009 opened 3 years ago by tamird

line-buffer goroutine dump output?NeedsDecision

#32002 opened 3 years ago by bradfitz

no examples for LockOSThread and UnlockOSThreadDocumentationNeedsInvestigationhelp 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 overheadNeedsInvestigationPerformance

#31193 opened 3 years ago by aclements

TestLldbPython failing with 'no intvar'NeedsFixTesting

#31188 opened 3 years ago by josharian

stop single goroutineDebuggingNeedsInvestigation

#31132 opened 3 years ago by dlsniper

killed threads do not crash whole processNeedsInvestigation

#30753 opened 3 years ago by bobrik

adopt mesh allocation technique?ExpertNeededFeatureRequestNeedsInvestigation

#30290 opened 3 years ago by stapelberg

simplify right shift and zero testNeedsFixPerformance

#30272 opened 3 years ago by TuomLarsen

cannot run go.exe on Windows Server 2016NeedsInvestigation

#29885 opened 3 years ago by huangyezuojia

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

#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/arm64NeedsInvestigation

#29623 opened 3 years ago by uudashr

GDB tests fail on freebsd/arm builderNeedsFixOS-FreeBSDhelp wanted

#29508 opened 3 years ago by bradfitz

unexpected signal during runtime execution on DebianNeedsInvestigation

#29377 opened 3 years ago by cosmtrek

externally linked programs don't detect deadlocksNeedsFixhelp wanted

#29322 opened 3 years ago by aarzilli

Livelock in mallocgcNeedsInvestigation

#29287 opened 3 years ago by ewhamilton

incorrect constant value for PROCESS_ALL_ACCESSNeedsInvestigationTesting

#29176 opened 3 years ago by Rojuinex

potential for self-deadlock in runtime write barriers

#28993 opened 3 years ago by mknyszek

godoc crashes consistently with "still in list": OS X Mojave problem?NeedsInvestigation

#28949 opened 3 years ago by robpike

scheduler work stealing slow for high GOMAXPROCSNeedsInvestigationPerformance

#28808 opened 3 years ago by ChrisHines

types are not garbage collectedNeedsInvestigationPerformance

#28783 opened 3 years ago by rogpeppe

repeated syscalls inhibit periodic preemptionNeedsInvestigationPerformance

#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 benchmarksNeedsInvestigation

#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-Windows

#28255 opened 3 years ago by stevenh

segfault during test using -coverpkg and -raceNeedsInvestigationRaceDetector

#28109 opened 3 years ago by gaillard

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 fieldNeedsInvestigation

#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-FreeBSD

#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 nameNeedsInvestigation

#27835 opened 3 years ago by thanm

string concatenation specializations for performanceNeedsInvestigationPerformance

#27801 opened 3 years ago by quasilyte

mark assist blocks GC microbenchmark for 7msGarbageCollectorNeedsInvestigationPerformance

#27732 opened 3 years ago by dr2chase

cgo Unix C code can't modify environment variables for GoDocumentationNeedsFix

#27693 opened 3 years ago by rmmh

tracebacks don't print function arguments for inlined functionsNeedsInvestigation

#27678 opened 3 years ago by rockmenjack

feature request: Support for ASLR with the heapNeedsInvestigation

#27583 opened 3 years ago by lattera

crash with "invalid pc-encoded table" in TSAN modeNeedsInvestigationokay-after-beta1release-blocker

#27540 opened 3 years ago by crxpandion

system experienced long pauses during GC markingGarbageCollectorNeedsInvestigationWaitingForInfo

#27410 opened 3 years ago by fmstephe

use parent goroutine's stack for new goroutinesNeedsInvestigationPerformance

#27345 opened 3 years ago by josharian

transparent hugepages on linux/mipsle causes segfaultsNeedsInvestigation

#26898 opened 3 years ago by josharian

defer/recover support in race detectorNeedsInvestigationRaceDetector

#26813 opened 3 years ago by adilbaig

append is slower than make+assignments for small slices with known lengthNeedsInvestigationPerformance

#26734 opened 3 years ago by opennota

pack info into low bits of interface type pointersNeedsDecisionPerformance

#26680 opened 3 years ago by josharian

signal handling panics for signals generated by sigqueue/tgkillNeedsFix

#26625 opened 3 years ago by aclements

Caller returns wrong file and line if called in a deferred function during panicNeedsInvestigation

#26320 opened 3 years ago by ainar-g

document the behaviour of Caller and Callers when used in deferred functionsDocumentationNeedsFix

#26275 opened 3 years ago by ainar-g

g0 stack.lo is sometimes too lowNeedsFix

#26061 opened 3 years ago by aclements

use wrappers for op= map operationsNeedsInvestigationPerformance

#26059 opened 3 years ago by randall77

SIGSEGV when building on freebsd ARMNeedsInvestigationOS-FreeBSD

#25770 opened 4 years ago by artooro

TestGdbPython flaky on linux-mipsle builderNeedsInvestigationTestinghelp wanted

#25697 opened 4 years ago by bcmills

support resuming a single goroutine under debuggersDebuggingNeedsInvestigation

#25578 opened 4 years ago by aclements

can not read stacktrace from a core fileDebuggingNeedsInvestigation

#25218 opened 4 years ago by aarzilli

android backtraces do not include go backtraceNeedsInvestigationOS-Android

#25035 opened 4 years ago by zx2c4

sparse zeroing in mallocgcPerformance

#24928 opened 4 years ago by josharian

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

#24793 opened 4 years ago by randall77

add g.pPerformance

#24686 opened 4 years ago by josharian

gentraceback no longer skips stack frames when printingNeedsFix

#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-Windows

#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.NeedsFixearly-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 zeroPerformance

#23929 opened 4 years ago by josharian

always log GC details in-memoryNeedsFix

#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-Windowshelp wanted

#23479 opened 4 years ago by kneden

make defs_$GOOS.go regeneratableNeedsInvestigation

#23341 opened 4 years ago by hirochachacha

memmove sometimes faster than memclrNoHeapPointersNeedsInvestigationPerformance

#23306 opened 4 years ago by alandonovan

high contention in mheap_.lock causing low CPU utilization on allocation-intensive workloadNeedsInvestigationPerformance

#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 mapsNeedsInvestigation

#22931 opened 4 years ago by RLH

gdb tests fail on NetBSDNeedsInvestigationOS-NetBSDhelp wanted

#22893 opened 4 years ago by bradfitz

GC can thrash on very small heapsPerformance

#22743 opened 4 years ago by aclements

fractional worker preemption causes performance degradation for single cpuNeedsInvestigationPerformance

#22693 opened 4 years ago by TocarIP

goroutines linger in GC assist queueNeedsInvestigationPerformance

#22654 opened 4 years ago by rhysh

TestWindowsStackMemoryCgo is flakyNeedsInvestigationOS-Windowshelp wanted

#22575 opened 4 years ago by alexbrainman

race detector: more aggressive scheduler perturbationsNeedsInvestigationRaceDetector

#22569 opened 4 years ago by bcmills

windows-amd64-race builder fails with errno=1455NeedsInvestigationOS-Windows

#22553 opened 4 years ago by alexbrainman

expose faketime for testing on normal architecturesNeedsInvestigation

#22549 opened 4 years ago by whyrusleeping

TestLldbPython test fails with lldb 3.8 on linuxNeedsFixTestinghelp wanted

#22299 opened 4 years ago by hyangah

crash on Plan 9 since CL 46033NeedsInvestigationOS-Plan9help 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-Linuxhelp wanted

#22008 opened 4 years ago by shashankmjain

use atomic.Store instead of simple assignmentNeedsInvestigationearly-in-cycle

#21931 opened 4 years ago by minaevmike

big performance penalty with runtime.LockOSThreadNeedsInvestigation

#21827 opened 4 years ago by navytux

avoid functions forbidden on Windows 10 UWPNeedsInvestigationOS-Windowshelp wanted

#21805 opened 4 years ago by maxhora

add mode for pointer-past-end testingNeedsFix

#21730 opened 4 years ago by aclements

improve "sweep increased allocation count" diagnosticsNeedsFix

#21729 opened 4 years ago by aclements

Reducing theoretical heap fragmentationGarbageCollector

#21695 opened 4 years ago by RLH

improve barrier implementation layeringNeedsFix

#21640 opened 4 years ago by josharian

apply strength reduction optimizations to generic map routinesPerformance

#21639 opened 4 years ago by josharian

audit mapfast routines for indirectvalue supportNeedsFixTesting

#21547 opened 4 years ago by josharian

add and use go:nosplitrec compilation directiveNeedsFix

#21314 opened 4 years ago by ianlancetaylor

label runtime functions based on their rolesFeatureRequestNeedsFixhelp wanted

#21190 opened 4 years ago by hyangah

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

#21078 opened 4 years ago by ianlancetaylor

cannot run GO in Windows Server 2016NeedsInvestigationOS-Windows

#21060 opened 4 years ago by Westwoodmayim

sub optimal gc scalabilityNeedsInvestigationPerformance

#21056 opened 4 years ago by TocarIP

textflag for CABINeedsFixhelp wanted

#21004 opened 4 years ago by crawshaw

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

#20822 opened 4 years ago by jvshahid

TestGdbPython* fails on solarisNeedsFixOS-SolarisTesting

#20821 opened 4 years ago by binarycrusader

signal handling: sighandler crash due to race with signal.IgnoreNeedsInvestigation

#20748 opened 4 years ago by bcmills

program with deadlock doesn't fail if use -race flagNeedsInvestigationRaceDetector

#20588 opened 5 years ago by nizsheanez

make crashing more useful on WindowsNeedsFixOS-Windowshelp wanted

#20498 opened 5 years ago by bhiggins

select on a shared channel is slow with many PsPerformance

#20351 opened 5 years ago by bradfitz

GC turning on/off disruptive to scheduler and localityNeedsInvestigationPerformanceToolSpeed

#20307 opened 5 years ago by josharian

shrink map as elements are deletedNeedsFixPerformance

#20135 opened 5 years ago by genez

fatal error: addspecial on invalid pointerNeedsInvestigationOS-Androidhelp wantedmobile

#20082 opened 5 years ago by fjl

TestSetGCPercent flakyNeedsInvestigationTestinghelp wanted

#20076 opened 5 years ago by josharian

add per-G shadows of writeBarrier.enabledPerformanceProposalProposal-Accepted

#20005 opened 5 years ago by sorear

reuse evacuated map overflow bucketsPerformance

#19992 opened 5 years ago by josharian

crash in hybrid barrier initializing C memoryNeedsInvestigation

#19928 opened 5 years ago by rsc

count globals toward GC triggerNeedsInvestigationPerformance

#19839 opened 5 years ago by josharian

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

#19744 opened 5 years ago by bronze1man

performance problem with many Cgo callsPerformance

#19574 opened 5 years ago by petermattis

better support for 64bit div/mod operations on 32bit platformsPerformance

#19509 opened 5 years ago by martisch

measure actual CPU time of GC

#19497 opened 5 years ago by aclements

working with small maps is 4x-10x slower than in nodejsNeedsInvestigationPerformance

#19495 opened 5 years ago by navytux

avoid multiple returns from deferproc

#19466 opened 5 years ago by randall77

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

#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 readsPerformance

#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-raceNeedsInvestigationTesting

#18884 opened 5 years ago by dsnet

refactor assembly for C calls in signal handlers

#18352 opened 5 years ago by bcmills

dlopen/dlsym without CGo

#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 overheadNeedsInvestigationPerformance

#18236 opened 5 years ago by philhofer

latency in sweep assists when there's no garbageNeedsFix

#18155 opened 5 years ago by rhysh

stack growth during critical section harms performanceNeedsInvestigationPerformance

#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 information

#17724 opened 5 years ago by crawshaw

preemption takes longer on OpenBSDNeedsInvestigationOS-OpenBSD

#17712 opened 5 years ago by mdempsky

gdb command "goroutine 1 bt" fails on core fileDebuggingNeedsFix

#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 supportNeedsFix

#17366 opened 5 years ago by bradfitz

expose number of running/runnable goroutinesNeedsFixearly-in-cycle

#17089 opened 5 years ago by fd

mark long lived objects with a special flagFeatureRequestNeedsDecision

#17047 opened 5 years ago by dlsniper

profile goroutine creationNeedsDecision

#16894 opened 5 years ago by rhysh

simplify brk_ usage on plan9OS-Plan9

#16839 opened 5 years ago by josharian

use frame pointers for callersNeedsFixPerformanceearly-in-cycle

#16638 opened 5 years ago by dvyukov

main_init_done can be implemented more efficientlyNeedsFixPerformance

#15943 opened 6 years ago by ianlancetaylor

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

#15861 opened 6 years ago by MStoykov

pprof should report non-heap memoryFeatureRequestNeedsFix

#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 machines

#15395 opened 6 years ago by icecrime

heavy time.Now usage cause taskgated to consume lots of cpuNeedsInvestigationOS-DarwinPerformance

#15290 opened 6 years ago by davecheney

floating point error panicOS-Plan9

#15234 opened 6 years ago by sirnewton01

avoid unnecessary work in allocSpanLocked

#15226 opened 6 years ago by josharian

current heapdump format is undocumentedDocumentationNeedsFix

#15169 opened 6 years ago by mdempsky

40us pause in file-backed serve loopsPerformance

#15110 opened 6 years ago by dbentley

hot vars and cache linesNeedsInvestigation

#14980 opened 6 years ago by josharian

consider write barrier short-circuit when *dst == srcPerformance

#14921 opened 6 years ago by josharian

x_cgo_init determines stacklo incorrectly for some Solaris versions

#14865 opened 6 years ago by binarycrusader

GC causes latency spikesNeedsInvestigationPerformanceWaitingForInfoearly-in-cycle

#14812 opened 6 years ago by Dieterbe

117

throttle heap growth

#14735 opened 6 years ago by dvyukov

add softfloat for mips64?

#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 overhead

#14265 opened 6 years ago by tgulacsi

GC should wake up idle PsNeedsFixPerformance

#14179 opened 6 years ago by aclements

improve performance of IndexByte on older processorsNeedsFixPerformance

#14059 opened 6 years ago by randall77

runtime-gdb.py does not exist for gccgo

#13641 opened 6 years ago by laboger

c-shared builds fail with musllibc

#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 >= allNeedsFix

#13161 opened 6 years ago by aclements

lock_sema.go uses LIFO ordering for waking blocked Ms

#13056 opened 6 years ago by mdempsky

Plan 9 stuck forever in TestNoHelperGoroutinesOS-Plan9

#12992 opened 6 years ago by bradfitz

merge .go files produced by cgo into their counterparts

#12952 opened 6 years ago by nodirt

runtime-gdb_test mapvar failure on Fedora 20

#12830 opened 6 years ago by MartinSteffen

memory and performance degradation

#12640 opened 6 years ago by dvyukov

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

#12516 opened 6 years ago by superbaddude

c-shared with LD_PRELOAD does not work for some programs

#12465 opened 6 years ago by AkihiroSuda

revisit non-constant assist ratio

#12234 opened 6 years ago by aclements

check for no preemption during write barrier

#12069 opened 6 years ago by rsc

check indirect calls for nosplitNeedsInvestigation

#12037 opened 6 years ago by rsc

reenable TestCgoCallbackGC on dragonflyNeedsFixOS-Dragonfly

#11990 opened 6 years ago by mikioh

whole span reclaimer is expensive

#11979 opened 6 years ago by aclements

Additional Allocator Metrics in `runtime.MemStats`

#11890 opened 6 years ago by matttproud

make panic dumps more readableNeedsDecision

#11850 opened 6 years ago by eloff

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

#11768 opened 6 years ago by hnakamur

refactor into separate subpackagesNeedsFix

#11647 opened 6 years ago by michaelmatloob

display fully-qualified types when strings are equal in unequal type panicNeedsInvestigation

#11634 opened 6 years ago by Frumious

document P statesDocumentation

#11425 opened 6 years ago by aclements

support dlclose with -buildmode=c-shared

#11100 opened 7 years ago by mattn

optimize arm atomic operations

#10873 opened 7 years ago by minux

should traceTickDiv be different for different architectures?

#10554 opened 7 years ago by minux

GC behavior in non-steady mode

#10064 opened 7 years ago by dvyukov

dead Gs cause span fragmentation

#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 7 years ago by randall77

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

#8739 opened 7 years ago by dvyukov

make GC runtime stats test run on GCE

#8634 opened 7 years ago by bradfitz

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

#8618 opened 7 years ago by randall77

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

#8491 opened 7 years ago by gopherbot

TestStackMem needs to be run in isolation to be accurate

#8446 opened 7 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 8 years ago by lexprfuncall

threadcreate profile is broken

#6104 opened 8 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 10 years ago by gopherbot