moby / moby/buildkit

windows CI failure

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area/testing area/windows
Dominant language
Go
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Description

Saw this failure on my PR branch. https://github.com/tonistiigi/buildkit/runs/1119868274 @TBBle

2020-09-15T20:44:37.1037618Z --- FAIL: TestCacheMountLockedRefs (1.78s)
2020-09-15T20:44:37.1043819Z     exec_test.go:343: 
2020-09-15T20:44:37.1069539Z         	Error Trace:	exec_test.go:343
2020-09-15T20:44:37.1071822Z         	Error:      	mount did not unlock
2020-09-15T20:44:37.1072621Z         	Test:       	TestCacheMountLockedRefs
2020-09-15T20:44:37.1073226Z === CONT  TestMkdirMkfile
2020-09-15T20:44:37.1073729Z --- PASS: TestMkdirMkfile (0.00s)
2020-09-15T20:44:37.1074320Z --- PASS: TestCacheMountSharedRefs (1.62s)
2020-09-15T20:44:37.1074819Z FAIL
2020-09-15T20:44:37.1075296Z FAIL	github.com/moby/buildkit/solver/llbsolver/ops	5.465s

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked Windows CI run and the failure at exec_test.go:343 in TestCacheMountLockedRefs. Reproduce the test on Windows and investigate why the mount does not unlock, checking the related TestCacheMountSharedRefs behavior. Done means the failing test passes in Windows CI without regressing the cache-mount tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
go
Domain
ci-cd, testing-qa
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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