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cmd/go: Windows: link.exe: chdir .: The process cannot access the file because it is being used by another process. #15355

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pquerna opened this issue Apr 18, 2016 · 3 comments
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cmd/go: Windows: link.exe: chdir .: The process cannot access the file because it is being used by another process. #15355

pquerna opened this issue Apr 18, 2016 · 3 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. OS-Windows
Milestone
Go1.8

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@pquerna
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pquerna commented Apr 18, 2016

Please answer these questions before submitting your issue. Thanks!

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

1.6.1

  1. What operating system and processor architecture are you using (go env)?
set GOARCH=amd64
set GOHOSTARCH=amd64
set GOHOSTOS=windows
set GOOS=windows
  1. What did you do?

Running a go test -v ${PACKAGES} with a proprietary repository. Invoked via a powershell script, like this:

$GOPKG = (go list ./... ) | Out-String -stream | select-string -NotMatch vendor
iex "go test -v $GOPKG"

Currently this is about 60 package names passed into go test.

  1. What did you expect to see?

Tests to build & pass 👍

  1. What did you see instead?

As best as we can see, about 5% of the time in a CI build, we get this build error during the test run:

go build testmain: C:\Go\pkg\tool\windows_amd64\link.exe: chdir .: The process cannot access the file because it is being used by another process.
@ianlancetaylor ianlancetaylor changed the title Windows: link.exe: chdir .: The process cannot access the file because it is being used by another process. cmd/go: Windows: link.exe: chdir .: The process cannot access the file because it is being used by another process. Apr 18, 2016
@ianlancetaylor ianlancetaylor added this to the Go1.7 milestone Apr 18, 2016
@alexbrainman
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@pquerna

I cannot reproduce your problem.

The "The process cannot access the file because it is being used by another process." is ERROR_SHARING_VIOLATION. And, going by your description, it is happening in Stat in exec_posix.go:26 in os package. Perhaps you can insert some prints to see if we can reproduce it somehow. We need that for new test.

I suspect it fails when GetFileAttributesEx is called on some directory.

I tried making GetFileAttributesEx fail with files. GetFileAttributesEx works even if I open file exclusively (dwShareMode set to 0 of CreateFile) in a different process. GetFileAttributesEx works also if I LockFileEx with dwFlags set to LOCKFILE_EXCLUSIVE_LOCK in a different process. Opening file fails with ERROR_SHARING_VIOLATION, but GetFileAttributesEx works.

I can only make GetFileAttributesEx fail with ERROR_SHARING_VIOLATION for c:\pagefil.sys on my pc. I created https://go-review.googlesource.com/22796 that fixes Stat(c:\pagefil.sys) on my computer. Perhaps CL fixes your problem too. Please try it and let me know.

Thank you

Alex

@quentinmit quentinmit added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 26, 2016
@rsc
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rsc commented May 27, 2016

This can wait until Go 1.8. @pquerna, any reply to Alex? Thanks.

@rsc rsc modified the milestones: Go1.8, Go1.7 May 27, 2016
@gopherbot
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CL https://golang.org/cl/22796 mentions this issue.

@vadmeste vadmeste mentioned this issue Nov 21, 2016
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