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libgo: hang in syscall test TestExecPtrace on ppc64le starting sometime in Go 1.13, continuing in Go 1.14beta1 #36698

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laboger opened this issue Jan 22, 2020 · 2 comments
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libgo: hang in syscall test TestExecPtrace on ppc64le starting sometime in Go 1.13, continuing in Go 1.14beta1 #36698

laboger opened this issue Jan 22, 2020 · 2 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Gccgo

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@laboger
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laboger commented Jan 22, 2020

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

$ go version
go version go1.14beta1 gccgo (GCC) 10.0.1 20200122 (experimental) linux/ppc64le

Does this issue reproduce with the latest release?

Started in Go 1.13, continues in Go 1.14beta1

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

go env Output
$ go env
linux/ppc64le

What did you do?

Running the libgo tests on ppc64le

What did you expect to see?

No failures

What did you see instead?

Hang in the syscall test TestExecPtrace which does not happen on golang. This was reported in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92567
@toothrot toothrot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jan 22, 2020
@toothrot toothrot added this to the Gccgo milestone Jan 22, 2020
@toothrot
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/cc @ianlancetaylor

@tklauser tklauser changed the title libgo: hang in syscall test TestExecPtrace on ppc64le starting sometime in Go 1.13, continuing in Go 1.14beta1beta1 libgo: hang in syscall test TestExecPtrace on ppc64le starting sometime in Go 1.13, continuing in Go 1.14beta1 Jan 23, 2020
@gopherbot
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Change https://golang.org/cl/254755 mentions this issue: libgo: fix ptrace syscall hooks into glibc

@golang golang locked and limited conversation to collaborators Sep 17, 2021
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