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runtime: apparent test deadlock on linux-ppc64-buildlet #35188

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bcmills opened this issue Oct 26, 2019 · 1 comment

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@bcmills bcmills commented Oct 26, 2019

From linux-ppc64-buildlet (https://build.golang.org/log/620feae79d01758bdc246133f337e735aa269837), a timeout with lots of blocked tests and the running goroutine obscured:

[…]
goroutine 2 [running]:
	goroutine running on other thread; stack unavailable
created by runtime.init.4
	/tmp/workdir-host-linux-ppc64-osu/go/src/runtime/proc.go:242 +0x34
[…]
*** Test killed with quit: ran too long (6m0s).
FAIL	runtime	360.006s

CC @aclements @mknyszek @laboger

@bcmills bcmills added this to the Go1.14 milestone Oct 26, 2019
@bcmills bcmills changed the title runtime: test timeout on linux-ppc64-buildlet runtime: apparent test deadlock on linux-ppc64-buildlet Oct 26, 2019
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@gopherbot gopherbot commented Oct 28, 2019

Change https://golang.org/cl/203886 mentions this issue: env/linux-ppc64/osuosl: add Docker setup notes

gopherbot pushed a commit to golang/build that referenced this issue Nov 4, 2019
Collaboration with @tiborvass at Docker who got Docker running on
big-endian PPC64. Go for ppc64 doesn't support cgo or external
linking, so runc doesn't work, but a new OCI-compliant runc
implementation written in C (https://github.com/containers/crun) means
we can run Docker after all. See NOTES & build-*.sh

Then add a Dockerfile & associated cleanup in buildlet & stage0 to use
rundockerbuildlet.

Once done, might help with golang/go#35188, golang/go#32613, etc.

Fixes golang/go#34830
Updates golang/go#21260

Change-Id: I43d7afa1d58bbdfa16e3c57670bc41f1d1932d80
Reviewed-on: https://go-review.googlesource.com/c/build/+/203886
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
codebien added a commit to codebien/build that referenced this issue Nov 13, 2019
Collaboration with @tiborvass at Docker who got Docker running on
big-endian PPC64. Go for ppc64 doesn't support cgo or external
linking, so runc doesn't work, but a new OCI-compliant runc
implementation written in C (https://github.com/containers/crun) means
we can run Docker after all. See NOTES & build-*.sh

Then add a Dockerfile & associated cleanup in buildlet & stage0 to use
rundockerbuildlet.

Once done, might help with golang/go#35188, golang/go#32613, etc.

Fixes golang/go#34830
Updates golang/go#21260

Change-Id: I43d7afa1d58bbdfa16e3c57670bc41f1d1932d80
Reviewed-on: https://go-review.googlesource.com/c/build/+/203886
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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