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cmd/go: test failing to initialize build cache #30914

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katiehockman opened this issue Mar 18, 2019 · 4 comments
Closed

cmd/go: test failing to initialize build cache #30914

katiehockman opened this issue Mar 18, 2019 · 4 comments
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FrozenDueToAge mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Darwin Testing An issue that has been verified to require only test changes, not just a test failure.

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@katiehockman
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cmd/go tests are failing for darwin-arm64-mn4m2zdaios and darwin-arm-mg912baios builds

lldb: running program
2019/03/18 20:16:58 failed to initialize build cache at /private/var/folders/qq/qxn86k813bn9fjxydm095rxw0000gp/T/workdir-host-darwin-amd64-zenly-ios/go/pkg/obj/go-build: mkdir /private/var/folders/qq: operation not permitted
FAIL	cmd/go	117.729s

Seems somewhat related to #29523

https://build.golang.org/log/e556301592beb290f2a21aafacf76f4176552ab1
https://build.golang.org/log/2bb2f1740aec8d028fa98073bc4c0d3810842d33

Though I'm not convinced that it's related, the failures started after 47e42cd was merged

/cc @bcmills @ianlancetaylor
@katiehockman katiehockman added Testing An issue that has been verified to require only test changes, not just a test failure. OS-Darwin labels Mar 18, 2019
@ianlancetaylor
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CC @bradfitz @dmitshur

@dmitshur dmitshur added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Mar 19, 2019
@dmitshur
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Another possible cause is CL 167087, the CL that changed the default value of GO111MODULE to 'on'. It was 3 commits earlier, and there are no test results for it for those 2 builders.

It could be related to symlinks and the temporary directory on Darwin. I.e., os.TempDir() is usually something like /var/folders/b8/66r1c5856mqds1mrf2tjtq8w0000gn/T/ but /var is a symlink to /private/var.

@bradfitz bradfitz added the mobile Android, iOS, and x/mobile label Mar 19, 2019
@bradfitz
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@eliasnaur has been working on these.

@gopherbot
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Change https://golang.org/cl/168557 mentions this issue: misc/ios: don't override GOCACHE on the device

@golang golang locked and limited conversation to collaborators Mar 20, 2020
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FrozenDueToAge mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. OS-Darwin Testing An issue that has been verified to require only test changes, not just a test failure.
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@bradfitz @eliasnaur @dmitshur @ianlancetaylor @gopherbot @katiehockman