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"panic during panic" on arm64 #34933

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sakeven opened this issue Oct 16, 2019 · 4 comments
Closed

"panic during panic" on arm64 #34933

sakeven opened this issue Oct 16, 2019 · 4 comments
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FrozenDueToAge WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided.

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@sakeven
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sakeven commented Oct 16, 2019

What version of Go are you using (go version)?

$ go version
go version go1.12.5 linux/arm64

Does this issue reproduce with the latest release?

Not sure.

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GOARCH="arm64"
GOOS="linux"

What did you do?

Run binary on some arm64 machines every second.
The command is GODEBUG=scheddetail=1,schedtrace=1000,gctrace=1 /tmp/app abc >/tmp/stdout 2>&1

What did you expect to see?

Running normally.

What did you see instead?

The program hangs on 4 arm64 machines after running thousands times . It doesn't always hang.
Its stdout/stderr is

SCHED 0ms: gomaxprocs=8 idleprocs=6 threads=4 spinningthreads=1 idlethreads=0 runqueue=0 gcwaiting=0 nmidlelocked=0 stopwait=0 sysmonwait=0
  P0: status=1 schedtick=0 syscalltick=0 m=0 runqsize=0 gfreecnt=0
  P1: status=1 schedtick=0 syscalltick=0 m=3 runqsize=0 gfreecnt=0
  P2: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P3: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P4: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P5: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P6: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P7: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  M3: p=1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=-1
  M2: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=-1
  M1: p=-1 curg=17 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=17
  M0: p=0 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=1
  G1: status=1() m=-1 lockedm=0
  G17: status=6() m=1 lockedm=1
  G2: status=1() m=-1 lockedm=-1
fatal error: unexpected signal during runtime execution
SCHED 10ms: gomaxprocs=8 idleprocs=6 threads=12 spinningthreads=1 idlethreads=2 runqueue=0 gcwaiting=0 nmidlelocked=1 stopwait=0 sysmonwait=0
  P0: status=0 schedtick=60 syscalltick=7 m=-1 runqsize=0 gfreecnt=1
  P1: status=0 schedtick=72 syscalltick=10 m=-1 runqsize=0 gfreecnt=0
  P2: status=2 schedtick=76 syscalltick=45 m=-1 runqsize=0 gfreecnt=1
  P3: status=0 schedtick=1 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P4: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P5: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P6: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P7: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  M11: p=-1 curg=-1 mallocing=1 throwing=1 preemptoff= locks=2 dying=1 spinning=true blocked=true lockedg=-1
  M10: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M9: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M8: p=-1 curg=21 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M7: p=-1 curg=34 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M6: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M5: p=-1 curg=6 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M4: p=-1 curg=37 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M3: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=35
  M2: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=-1
  M1: p=-1 curg=17 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=17
  M0: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=1
  G0: status=0() m=-1 lockedm=-1
fatal error: unexpected signal during runtime execution
panic during panic
[signal SIGSEGV: segmentation violation code=0x1 addr=0xd8 pc=0x5169d8]

runtime stack:
runtime.throw(0xf1e56d, 0x2a)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/panic.go:617 +0x54
runtime.sigpanic()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/signal_unix.go:374 +0x4d8
runtime.schedtrace(0x173a301)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/proc.go:4563 +0x7e8
runtime.startpanic_m(0x1)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/panic.go:763 +0xc0
runtime.fatalthrow.func1()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/panic.go:670 +0x38
runtime.fatalthrow()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/panic.go:669 +0x40
runtime.throw(0xf1e56d, 0x2a)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/panic.go:617 +0x54
runtime.sigpanic()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/signal_unix.go:374 +0x4d8
runtime.notesleep(0x4000053648)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/lock_futex.go:155 +0x64
runtime.stopm()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/proc.go:1936 +0xc0
runtime.findrunnable(0x400002e000, 0x0)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/proc.go:2399 +0x5ec
runtime.schedule()
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/proc.go:2525 +0x200
runtime.park_m(0x40001ba480)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/proc.go:2605 +0x98
runtime.mcall(0xffffb1e78720)
	/home/181_recovery/tianji_zt/go/go_arm64/src/runtime/asm_arm64.s:174 +0x58
@bradfitz
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Can you try Go 1.13?

@sakeven
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sakeven commented Oct 17, 2019 •
edited by agnivade 

#go version
go version go1.13 linux/arm64

SCHED 0ms: gomaxprocs=128 idleprocs=126 threads=4 spinningthreads=1 idlethreads=0 runqueue=0 gcwaiting=0 nmidlelocked=0 stopwait=0 sysmonwait=0
  P0: status=1 schedtick=0 syscalltick=0 m=0 runqsize=0 gfreecnt=0
  P1: status=1 schedtick=0 syscalltick=0 m=3 runqsize=0 gfreecnt=0
  P2: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P3: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P4: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P5: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P6: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P7: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P8: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P9: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P10: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P11: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P12: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P13: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P14: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P15: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P16: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P17: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P18: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P19: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P20: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P21: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P22: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P23: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P24: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P25: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P26: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P27: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P28: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P29: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P30: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P31: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P32: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P33: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P34: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P35: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P36: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P37: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P38: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P39: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P40: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P41: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P42: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P43: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P44: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P45: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P46: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P47: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P48: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P49: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P50: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P51: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P52: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P53: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P54: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P55: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P56: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P57: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P58: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P59: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P60: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P61: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P62: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P63: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P64: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P65: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P66: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P67: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P68: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P69: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P70: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P71: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P72: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P73: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P74: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P75: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P76: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P77: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P78: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P79: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P80: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P81: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P82: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P83: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P84: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P85: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P86: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P87: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P88: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P89: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P90: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P91: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P92: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P93: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P94: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P95: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P96: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P97: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P98: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P99: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P100: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P101: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P102: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P103: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P104: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P105: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P106: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P107: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P108: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P109: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P110: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P111: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P112: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P113: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P114: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P115: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P116: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P117: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P118: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P119: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P120: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P121: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P122: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P123: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P124: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P125: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P126: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P127: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  M3: p=1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=-1
  M2: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=-1
  M1: p=-1 curg=17 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=17
  M0: p=0 curg=-1 mallocing=0 throwing=0 preemptoff= locks=1 dying=0 spinning=false blocked=false lockedg=1
  G1: status=1() m=-1 lockedm=0
  G17: status=6() m=1 lockedm=1
  G2: status=1() m=-1 lockedm=-1
fatal error: unexpected signal during runtime execution
SCHED 14ms: gomaxprocs=128 idleprocs=126 threads=11 spinningthreads=0 idlethreads=2 runqueue=0 gcwaiting=0 nmidlelocked=1 stopwait=0 sysmonwait=0
  P0: status=0 schedtick=116 syscalltick=30 m=-1 runqsize=0 gfreecnt=0
  P1: status=2 schedtick=12 syscalltick=20 m=-1 runqsize=0 gfreecnt=2
  P2: status=0 schedtick=19 syscalltick=12 m=-1 runqsize=0 gfreecnt=0
  P3: status=0 schedtick=2 syscalltick=1 m=-1 runqsize=0 gfreecnt=0
  P4: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P5: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P6: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P7: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P8: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P9: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P10: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P11: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P12: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P13: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P14: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P15: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P16: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P17: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P18: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P19: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P20: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P21: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P22: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P23: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P24: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P25: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P26: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P27: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P28: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P29: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P30: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P31: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P32: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P33: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P34: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P35: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P36: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P37: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P38: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P39: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P40: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P41: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P42: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P43: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P44: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P45: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P46: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P47: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P48: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P49: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P50: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P51: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P52: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P53: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P54: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P55: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P56: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P57: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P58: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P59: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P60: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P61: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P62: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P63: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P64: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P65: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P66: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P67: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P68: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P69: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P70: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P71: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P72: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P73: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P74: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P75: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P76: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P77: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P78: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P79: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P80: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P81: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P82: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P83: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P84: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P85: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P86: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P87: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P88: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P89: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P90: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P91: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P92: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P93: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P94: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P95: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P96: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P97: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P98: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P99: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P100: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P101: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P102: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P103: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P104: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P105: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P106: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P107: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P108: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P109: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P110: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P111: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P112: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P113: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P114: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P115: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P116: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P117: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P118: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P119: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P120: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P121: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P122: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P123: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P124: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P125: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P126: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  P127: status=0 schedtick=0 syscalltick=0 m=-1 runqsize=0 gfreecnt=0
  M10: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M9: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M8: p=-1 curg=22 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M7: p=-1 curg=35 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M6: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M5: p=-1 curg=6 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=-1
  M4: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=true lockedg=36
  M3: p=-1 curg=-1 mallocing=1 throwing=1 preemptoff= locks=2 dying=1 spinning=false blocked=true lockedg=-1
  M2: p=-1 curg=-1 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=-1
  M1: p=-1 curg=17 mallocing=0 throwing=0 preemptoff= locks=0 dying=0 spinning=false blocked=false lockedg=17
  M0: p=1 curg=1 mallocing=0 throwing=0 preemptoff= locks=2 dying=0 spinning=false blocked=false lockedg=1
fatal error: unexpected signal during runtime execution
panic during panic
[signal SIGSEGV: segmentation violation code=0x1 addr=0xd8 pc=0x5171e8]

runtime stack:
runtime.throw(0xf20ac9, 0x2a)
	/usr/local/go/src/runtime/panic.go:774 +0x54
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:378 +0x458
runtime.schedtrace(0x16caa01)
	/usr/local/go/src/runtime/proc.go:4570 +0x7d8
runtime.startpanic_m(0x1)
	/usr/local/go/src/runtime/panic.go:920 +0xc0
runtime.fatalthrow.func1()
	/usr/local/go/src/runtime/panic.go:827 +0x38
runtime.fatalthrow()
	/usr/local/go/src/runtime/panic.go:826 +0x40
runtime.throw(0xf20ac9, 0x2a)
	/usr/local/go/src/runtime/panic.go:774 +0x54
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:378 +0x458
runtime.notesleep(0x400016c848)
	/usr/local/go/src/runtime/lock_futex.go:155 +0x64
runtime.stopm()
	/usr/local/go/src/runtime/proc.go:1928 +0xbc
runtime.findrunnable(0x4000030500, 0x0)
	/usr/local/go/src/runtime/proc.go:2391 +0x5b0
runtime.schedule()
	/usr/local/go/src/runtime/proc.go:2524 +0x2b0
runtime.park_m(0x4000372000)
	/usr/local/go/src/runtime/proc.go:2610 +0x88
runtime.mcall(0xffffb3086720)
	/usr/local/go/src/runtime/asm_arm64.s:174 +0x58

@bradfitz
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What's the program? Can you share a minimal repro with its source? Is it doing shenanigans with unsafe or cgo?

@bradfitz bradfitz added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Oct 17, 2019
@gopherbot
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Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)

@golang golang locked and limited conversation to collaborators Nov 16, 2020
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@bradfitz @sakeven @gopherbot