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runtime/trace: flaky test crash #55261

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gopherbot opened this issue Sep 20, 2022 · 8 comments
Open

runtime/trace: flaky test crash #55261

gopherbot opened this issue Sep 20, 2022 · 8 comments
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@mknyszek
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compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Backlog

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@gopherbot
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#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`

Bug automatically created to track these flakes.

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Sep 20, 2022
@gopherbot
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gopherbot commented Sep 20, 2022 •
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Found new matching flaky dashboard failures for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2022-08-18 13:16 linux-arm-aws go@38edd9bd runtime/trace (log) 
SIGQUIT: quit
PC=0x86d24 m=7 sigcode=0

goroutine 82 [running]:
	goroutine running on other thread; stack unavailable
created by runtime/trace.Start
	/workdir/go/src/runtime/trace/trace.go:128 +0xd4

trap    0x0
error   0x0
...
r9      0xec3ff4c0
r10     0x1802ff0
fp      0x6
ip      0xaf
sp      0xec3fed9c
lr      0x4a424
pc      0x86d24
cpsr    0xa0870010
fault   0x0
*** Test killed with quit: ran too long (7m0s).

— watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Sep 20, 2022
@bcmills
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bcmills commented Sep 20, 2022

Duplicate of #54594

@bcmills bcmills marked this as a duplicate of #54594 Sep 20, 2022
@bcmills bcmills closed this as not planned Won't fix, can't repro, duplicate, stale Sep 21, 2022
@golang golang locked and limited conversation to collaborators Sep 21, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-20 15:56 openbsd-386-72 go@1d187fd0 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8201b63, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x21321c84 sp=0x21321c70 pc=0x8082dfd
runtime.sysMapOS(0xae400000, 0x800000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x21321cb0 sp=0x21321c84 pc=0x805ef12
runtime.sysMap(0xae400000, 0x800000, 0x834f118)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x21321cc0 sp=0x21321cb0 pc=0x805ecef
runtime.(*mheap).grow(0x8341de0, 0x375)
...
runtime.gopark(0x0, 0x0, 0xa, 0x10, 0x1)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x6f4c2fd4 sp=0x6f4c2fc0 pc=0x8085dba
runtime.block()
	/tmp/workdir/go/src/runtime/select.go:103 +0x32 fp=0x6f4c2fe8 sp=0x6f4c2fd4 pc=0x80968b2
runtime/trace_test.TestTraceStressStartStop.func1.10()
	/tmp/workdir/go/src/runtime/trace/trace_test.go:496 +0x23 fp=0x6f4c2ff0 sp=0x6f4c2fe8 pc=0x81b6b73
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x6f4c2ff4 sp=0x6f4c2ff0 pc=0x80b77b1
created by runtime/trace_test.TestTraceStressStartStop.func1 in goroutine 35
	/tmp/workdir/go/src/runtime/trace/trace_test.go:494 +0x6c8

— watchflakes

@gopherbot gopherbot reopened this Nov 20, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-21 16:29 openbsd-386-72 go@78d037b0 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8201b63, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x3dd75914 sp=0x3dd75900 pc=0x8082dfd
runtime.sysMapOS(0x9f800000, 0x400000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x3dd75940 sp=0x3dd75914 pc=0x805ef12
runtime.sysMap(0x9f800000, 0x400000, 0x834f118)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x3dd75950 sp=0x3dd75940 pc=0x805ecef
runtime.(*mheap).grow(0x8341de0, 0x1)
...

goroutine 116 gp=0x60982488 m=nil [GC worker (idle)]:
runtime.gopark(0x820c1dc, 0x6098e060, 0x1a, 0x14, 0x0)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x60a03794 sp=0x60a03780 pc=0x8085dba
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1310 +0xe5 fp=0x60a037f0 sp=0x60a03794 pc=0x8064575
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x60a037f4 sp=0x60a037f0 pc=0x80b77b1
created by runtime.gcBgMarkStartWorkers in goroutine 35
	/tmp/workdir/go/src/runtime/mgc.go:1234 +0x1f

— watchflakes

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-21 17:59 openbsd-386-72 go@070139a1 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8201b6f, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x212e0044 sp=0x212e0030 pc=0x8082dfd
runtime.sysMapOS(0x82c00000, 0x400000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x212e0070 sp=0x212e0044 pc=0x805ef12
runtime.sysMap(0x82c00000, 0x400000, 0x834f138)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x212e0080 sp=0x212e0070 pc=0x805ecef
runtime.(*mheap).grow(0x8341e00, 0x12)
...
runtime.gopark(0x0, 0x0, 0xa, 0x10, 0x1)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x4fd067d4 sp=0x4fd067c0 pc=0x8085dba
runtime.block()
	/tmp/workdir/go/src/runtime/select.go:103 +0x32 fp=0x4fd067e8 sp=0x4fd067d4 pc=0x80968b2
runtime/trace_test.TestTraceStressStartStop.func1.10()
	/tmp/workdir/go/src/runtime/trace/trace_test.go:496 +0x23 fp=0x4fd067f0 sp=0x4fd067e8 pc=0x81b6b73
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x4fd067f4 sp=0x4fd067f0 pc=0x80b77b1
created by runtime/trace_test.TestTraceStressStartStop.func1 in goroutine 35
	/tmp/workdir/go/src/runtime/trace/trace_test.go:494 +0x6c8

— watchflakes

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-21 20:34 openbsd-386-72 go@00715d08 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8201b6f, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x46bb8494 sp=0x46bb8480 pc=0x8082dfd
runtime.sysMapOS(0xa9c00000, 0x1000000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x46bb84c0 sp=0x46bb8494 pc=0x805ef12
runtime.sysMap(0xa9c00000, 0x1000000, 0x834f138)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x46bb84d0 sp=0x46bb84c0 pc=0x805ecef
runtime.(*mheap).grow(0x8341e00, 0x6c4)
...

goroutine 87 gp=0x6a9027e8 m=nil [GC worker (idle)]:
runtime.gopark(0x820c1e8, 0x6a92a078, 0x1a, 0x14, 0x0)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x6a8c0794 sp=0x6a8c0780 pc=0x8085dba
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1310 +0xe5 fp=0x6a8c07f0 sp=0x6a8c0794 pc=0x8064575
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x6a8c07f4 sp=0x6a8c07f0 pc=0x80b77b1
created by runtime.gcBgMarkStartWorkers in goroutine 35
	/tmp/workdir/go/src/runtime/mgc.go:1234 +0x1f

— watchflakes

@gopherbot
Copy link
Contributor Author

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-21 21:27 openbsd-386-72 go@351d8520 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8202d22, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x27d50c24 sp=0x27d50c10 pc=0x808372d
runtime.sysMapOS(0xa0400000, 0x400000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x27d50c50 sp=0x27d50c24 pc=0x805f032
runtime.sysMap(0xa0400000, 0x400000, 0x8350218)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x27d50c60 sp=0x27d50c50 pc=0x805ee0f
runtime.(*mheap).grow(0x8342ee0, 0x1)
...

goroutine 131 gp=0x61500368 m=nil [GC worker (idle)]:
runtime.gopark(0x820d3b4, 0x61510018, 0x1a, 0x14, 0x0)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x61482f94 sp=0x61482f80 pc=0x80866ea
runtime.gcBgMarkWorker()
	/tmp/workdir/go/src/runtime/mgc.go:1310 +0xe5 fp=0x61482ff0 sp=0x61482f94 pc=0x8064695
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x61482ff4 sp=0x61482ff0 pc=0x80b8121
created by runtime.gcBgMarkStartWorkers in goroutine 35
	/tmp/workdir/go/src/runtime/mgc.go:1234 +0x1f
2023-11-21 21:27 openbsd-386-72 go@48a6362d runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8202d22, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x217318c4 sp=0x217318b0 pc=0x808372d
runtime.sysMapOS(0xa3800000, 0x400000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x217318f0 sp=0x217318c4 pc=0x805f032
runtime.sysMap(0xa3800000, 0x400000, 0x8350218)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x21731900 sp=0x217318f0 pc=0x805ee0f
runtime.(*mheap).grow(0x8342ee0, 0x1)
...
runtime.gopark(0x0, 0x0, 0xa, 0x10, 0x1)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x649037d4 sp=0x649037c0 pc=0x80866ea
runtime.block()
	/tmp/workdir/go/src/runtime/select.go:103 +0x32 fp=0x649037e8 sp=0x649037d4 pc=0x8097232
runtime/trace_test.TestTraceStressStartStop.func1.10()
	/tmp/workdir/go/src/runtime/trace/trace_test.go:496 +0x23 fp=0x649037f0 sp=0x649037e8 pc=0x81b7523
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x649037f4 sp=0x649037f0 pc=0x80b8121
created by runtime/trace_test.TestTraceStressStartStop.func1 in goroutine 35
	/tmp/workdir/go/src/runtime/trace/trace_test.go:494 +0x6c8
2023-11-21 21:29 openbsd-386-72 go@90ba4452 runtime/trace (log) 
fatal error: runtime: out of memory

runtime stack:
runtime.throw({0x8202d22, 0x16})
	/tmp/workdir/go/src/runtime/panic.go:1023 +0x4d fp=0x2ec54984 sp=0x2ec54970 pc=0x808372d
runtime.sysMapOS(0x95c00000, 0x400000)
	/tmp/workdir/go/src/runtime/mem_bsd.go:81 +0x142 fp=0x2ec549b0 sp=0x2ec54984 pc=0x805f032
runtime.sysMap(0x95c00000, 0x400000, 0x8350218)
	/tmp/workdir/go/src/runtime/mem.go:155 +0x3f fp=0x2ec549c0 sp=0x2ec549b0 pc=0x805ee0f
runtime.(*mheap).grow(0x8342ee0, 0x12)
...
runtime.gopark(0x0, 0x0, 0xa, 0x10, 0x1)
	/tmp/workdir/go/src/runtime/proc.go:402 +0xfa fp=0x5683afd4 sp=0x5683afc0 pc=0x80866ea
runtime.block()
	/tmp/workdir/go/src/runtime/select.go:103 +0x32 fp=0x5683afe8 sp=0x5683afd4 pc=0x8097232
runtime/trace_test.TestTraceStressStartStop.func1.10()
	/tmp/workdir/go/src/runtime/trace/trace_test.go:496 +0x23 fp=0x5683aff0 sp=0x5683afe8 pc=0x81b7523
runtime.goexit({})
	/tmp/workdir/go/src/runtime/asm_386.s:1363 +0x1 fp=0x5683aff4 sp=0x5683aff0 pc=0x80b8121
created by runtime/trace_test.TestTraceStressStartStop.func1 in goroutine 35
	/tmp/workdir/go/src/runtime/trace/trace_test.go:494 +0x6c8

— watchflakes

@mknyszek mknyszek self-assigned this Nov 29, 2023
@mknyszek mknyszek added this to the Backlog milestone Nov 29, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime/trace" && test == "" && !`panic: test timed out`
2023-11-21 17:27 openbsd-riscv64-jsing go@3255fca9 runtime/trace (log) 
runtime: inUse=4 npages=82
fatal error: allocated pages below zero?

runtime stack:
runtime.throw({0x1ca689?, 0x10d0b81e0?})
	/home/gopher/build/go/src/runtime/panic.go:1023 +0x44 fp=0x10d0b8180 sp=0x10d0b8158 pc=0x45bc4
runtime.(*scavChunkData).free(0x1?, 0x52, 0x4ca64?)
	/home/gopher/build/go/src/runtime/mgcscavenge.go:1338 +0xd8 fp=0x10d0b81a0 sp=0x10d0b8180 pc=0x33260
runtime.(*scavengeIndex).free(0x33dfa0, 0x120, 0x1ae, 0x52)
	/home/gopher/build/go/src/runtime/mgcscavenge.go:1151 +0xa4 fp=0x10d0b81d8 sp=0x10d0b81a0 pc=0x32e9c
...

goroutine 72 gp=0x48191a00 m=nil [runnable, locked to thread]:
runtime.Gosched(...)
	/home/gopher/build/go/src/runtime/proc.go:342
runtime/trace_test.TestTraceStressStartStop.func1.5()
	/home/gopher/build/go/src/runtime/trace/trace_test.go:417 +0x3c fp=0x4803dfd8 sp=0x4803dfb8 pc=0x1658c4
runtime.goexit({})
	/home/gopher/build/go/src/runtime/asm_riscv64.s:540 +0x4 fp=0x4803dfd8 sp=0x4803dfd8 pc=0x78c5c
created by runtime/trace_test.TestTraceStressStartStop.func1 in goroutine 66
	/home/gopher/build/go/src/runtime/trace/trace_test.go:410 +0x1dc

— watchflakes

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@mknyszek mknyszek

Labels
compiler/runtime Issues related to the Go compiler and/or runtime. FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Go Compiler / Runtime
Status: Todo
Test Flakes
Status: Done
Milestone
Backlog
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@mknyszek @bcmills @gopherbot