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runtime/pprof: TestGoroutineSwitch failure #7799

alexbrainman opened this issue Apr 16, 2014 · 2 comments

runtime/pprof: TestGoroutineSwitch failure #7799

alexbrainman opened this issue Apr 16, 2014 · 2 comments


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From windows-amd64 builder:

--- FAIL: TestGoroutineSwitch (0.23 seconds)
    pprof_test.go:240: found profile entry for runtime.gogo:
        0x42b6e2 c:/go/src/pkg/runtime/asm_amd64.s:153
        0x415060 c:/go/src/pkg/runtime/proc.c:1409
        0x4168a1 c:/go/src/pkg/runtime/proc.c:1996
        0x443a48 c:/gobuilder/windows-amd64-993231085fbf/go/src/pkg/runtime/pprof/pprof_test.go:209
        0x43cb32 c:/go/src/pkg/testing/testing.go:423
        0x415120 c:/go/src/pkg/runtime/proc.c:1430
FAIL    runtime/pprof   11.432s

I can reproduce this by running

for /l %x in (1, 1, 50) do go test -v -run=TestGoroutineSwitch -cpu=1,2,4

I get maybe 4 (on average) failures for those 50 runs. All failures are on
windows/amd64, no windows/386 failures.

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Comment 1:

Labels changed: added repo-main, os-windows, release-go1.4.

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Comment 2:

I cannot reproduce it anymore. I am on hg id 6e10ddc0bbc2 now. I'll reopen it if I see
it again. Sorry for the noise.

Status changed to Retracted.

@rsc rsc added this to the Go1.4 milestone Apr 14, 2015
@rsc rsc removed the release-go1.4 label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 25, 2016
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