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syscall: flaky TestExec failure on macOS: signal: Illegal instruction #42023

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rsc opened this issue Oct 16, 2020 · 6 comments
Closed

syscall: flaky TestExec failure on macOS: signal: Illegal instruction #42023

rsc opened this issue Oct 16, 2020 · 6 comments
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FrozenDueToAge NeedsFix The path to resolution is known, but the work has not been done.
Milestone
Go1.16

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@rsc
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rsc commented Oct 16, 2020

Happened once during all.bash:

--- FAIL: TestExec (0.14s)
    exec_unix_test.go:254: 
        signal: illegal instruction
FAIL
FAIL	syscall	1.026s

Can't reproduce.
@rsc rsc added the NeedsFix The path to resolution is known, but the work has not been done. label Oct 16, 2020
@rsc rsc added this to the Go1.16 milestone Oct 16, 2020
@rsc
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rsc commented Oct 16, 2020

Can't reproduce with "go test -short syscall" but happened again during all.bash on my Mac. Hmm.

@rsc
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rsc commented Oct 16, 2020

I see - looks like the fix for #41702 was incorrect and CL 262817 needs to be submitted.

@ianlancetaylor
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The fix wasn't incorrect so much as incomplete.

@gopherbot
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Change https://golang.org/cl/262817 mentions this issue: runtime: wait for preemption signals before syscall.Exec

@gopherbot
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Change https://golang.org/cl/264022 mentions this issue: [release-branch.go1.15] runtime: wait for preemption signals before syscall.Exec

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Change https://golang.org/cl/264023 mentions this issue: [release-branch.go1.14] runtime: wait for preemption signals before syscall.Exec

gopherbot pushed a commit that referenced this issue Oct 20, 2020
@ianlancetaylor
[release-branch.go1.15] runtime: wait for preemption signals before s…
3b1f07f 
…yscall.Exec

For #41702
For #41704
For #42023

Change-Id: If07f40b1d73b8f276ee28ffb8b7214175e56c24d
Reviewed-on: https://go-review.googlesource.com/c/go/+/262817
Trust: Ian Lance Taylor <[email protected]>
Trust: Bryan C. Mills <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Cherry Zhang <[email protected]>
(cherry picked from commit 05739d6)
Reviewed-on: https://go-review.googlesource.com/c/go/+/264022
gopherbot pushed a commit that referenced this issue Oct 20, 2020
@ianlancetaylor
[release-branch.go1.14] runtime: wait for preemption signals before s…
768b647 
…yscall.Exec

For #41702
For #41703
For #42023

Change-Id: If07f40b1d73b8f276ee28ffb8b7214175e56c24d
Reviewed-on: https://go-review.googlesource.com/c/go/+/262817
Trust: Ian Lance Taylor <[email protected]>
Trust: Bryan C. Mills <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Cherry Zhang <[email protected]>
(cherry picked from commit 05739d6)
Reviewed-on: https://go-review.googlesource.com/c/go/+/264023
claucece pushed a commit to claucece/go that referenced this issue Oct 22, 2020
@ianlancetaylor @claucece
[release-branch.go1.15] runtime: wait for preemption signals before s…
3459d23 
…yscall.Exec

For golang#41702
For golang#41704
For golang#42023

Change-Id: If07f40b1d73b8f276ee28ffb8b7214175e56c24d
Reviewed-on: https://go-review.googlesource.com/c/go/+/262817
Trust: Ian Lance Taylor <[email protected]>
Trust: Bryan C. Mills <[email protected]>
Run-TryBot: Ian Lance Taylor <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Cherry Zhang <[email protected]>
(cherry picked from commit 05739d6)
Reviewed-on: https://go-review.googlesource.com/c/go/+/264022
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