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cmd/go: TestCacheCoverage failures #58919

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gopherbot opened this issue Mar 7, 2023 · 6 comments
Closed

cmd/go: TestCacheCoverage failures #58919

gopherbot opened this issue Mar 7, 2023 · 6 comments
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GoCommand cmd/go NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. Testing An issue that has been verified to require only test changes, not just a test failure.
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@gopherbot
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gopherbot commented Mar 7, 2023

#!watchflakes
post <- pkg == "cmd/go" && test == "TestCacheCoverage" && `test timed out while running command`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestCacheCoverage (125.29s)
    go_test.go:2388: running testgo [test -cover -short strings]
    go_test.go:2388: standard output:
    go_test.go:2388: ok  	strings	5.489s	coverage: 97.7% of statements

    go_test.go:2389: running testgo [test -cover -short math strings]
    exec.go:146: test timed out while running command: /tmp/buildlet/tmp/cmd-go-test-2779377144/tmpdir69193264/testbin/go test -cover -short math strings
    go_test.go:2389: standard error:
    go_test.go:2389: SIGQUIT: quit
        PC=0x7ff81f8423ea m=0 sigcode=0
...
panic: test timed out after 9m0s
running tests:
	TestTestCache (2m0s)

goroutine 11740 [running]:
panic({0x1a97b40, 0xc0001c2240})
	/tmp/buildlet/go/src/runtime/panic.go:987 +0x3bb fp=0xc0002b7f18 sp=0xc0002b7e58 pc=0x10888db
testing.(*M).startAlarm.func1()
	/tmp/buildlet/go/src/testing/testing.go:2241 +0x219 fp=0xc0002b7fe0 sp=0xc0002b7f18 pc=0x11f90b9
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0002b7fe8 sp=0xc0002b7fe0 pc=0x10c1321
created by time.goFunc
	/tmp/buildlet/go/src/time/sleep.go:176 +0x48

watchflakes

@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Mar 7, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "cmd/go" && test == "TestCacheCoverage"
2023-02-28 12:45 darwin-amd64-race go@aef8a8cd cmd/go.TestCacheCoverage (log)
--- FAIL: TestCacheCoverage (125.29s)
    go_test.go:2388: running testgo [test -cover -short strings]
    go_test.go:2388: standard output:
    go_test.go:2388: ok  	strings	5.489s	coverage: 97.7% of statements

    go_test.go:2389: running testgo [test -cover -short math strings]
    exec.go:146: test timed out while running command: /tmp/buildlet/tmp/cmd-go-test-2779377144/tmpdir69193264/testbin/go test -cover -short math strings
    go_test.go:2389: standard error:
    go_test.go:2389: SIGQUIT: quit
        PC=0x7ff81f8423ea m=0 sigcode=0
...
panic: test timed out after 9m0s
running tests:
	TestTestCache (2m0s)

goroutine 11740 [running]:
panic({0x1a97b40, 0xc0001c2240})
	/tmp/buildlet/go/src/runtime/panic.go:987 +0x3bb fp=0xc0002b7f18 sp=0xc0002b7e58 pc=0x10888db
testing.(*M).startAlarm.func1()
	/tmp/buildlet/go/src/testing/testing.go:2241 +0x219 fp=0xc0002b7fe0 sp=0xc0002b7f18 pc=0x11f90b9
runtime.goexit()
	/tmp/buildlet/go/src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0002b7fe8 sp=0xc0002b7fe0 pc=0x10c1321
created by time.goFunc
	/tmp/buildlet/go/src/time/sleep.go:176 +0x48

watchflakes

@bcmills bcmills self-assigned this Mar 7, 2023
@bcmills bcmills added Testing An issue that has been verified to require only test changes, not just a test failure. GoCommand cmd/go labels Mar 7, 2023
@bcmills bcmills added this to the Go1.21 milestone Mar 7, 2023
@gopherbot
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Change https://go.dev/cl/474137 mentions this issue: cmd/go: don't run slow tests on non-longtest builders

@gopherbot
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Change https://go.dev/cl/474137 mentions this issue: cmd/go: avoid running slow tests on non-longtest builders

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "cmd/go" && test == "TestCacheCoverage" && `test timed out while running command`
2023-03-01 18:01 darwin-amd64-race go@230765a1 cmd/go.TestCacheCoverage (log)
--- FAIL: TestCacheCoverage (25.86s)
    go_test.go:2388: running testgo [test -cover -short strings]
    exec.go:146: test timed out while running command: /tmp/buildlet/tmp/cmd-go-test-2811279691/tmpdir910072097/testbin/go test -cover -short strings
    go_test.go:2388: standard error:
    go_test.go:2388: SIGQUIT: quit
        PC=0x7ff812e313ea m=0 sigcode=0

        rax    0x104
        rbx    0x4adb600
        rcx    0x7ff7bfeff118
        rdx    0x6b00
        rdi    0x20f4c80
        rsi    0x740100007500
        rbp    0x7ff7bfeff1c0
        rsp    0x7ff7bfeff118
        r8     0x0
        r9     0xa0
        r10    0x0
        r11    0x246
        r12    0x16
        r13    0x0
        r14    0x740100007500
        r15    0x6b00
        rip    0x7ff812e313ea
        rflags 0x247
        cs     0x7
        fs     0x0
        gs     0x0

    go_test.go:2388: go [test -cover -short strings] failed unexpectedly in /tmp/buildlet/go/src/cmd/go: exit status 2

watchflakes

@gopherbot
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Change https://go.dev/cl/474580 mentions this issue: [release-branch.go1.20] cmd/go: avoid running slow tests on non-longtest builders

@gopherbot
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Change https://go.dev/cl/474581 mentions this issue: [release-branch.go1.19] cmd/go: avoid running slow tests on non-longtest builders

gopherbot pushed a commit that referenced this issue Mar 9, 2023
…est builders

Also annotate calls to tooSlow with specific reasons.

This will somewhat reduce test coverage on the 'darwin' builders until
we have darwin 'longtest' builders (#35678,#49055), but still seems
worthwhile to avoid alert fatigue from tests that really shouldn't be
running in the short configurations.

Updates #58918.
Updates #58919.
Fixes #58937.

Change-Id: I0000f0084b262beeec3eca3e9b8a45d61fab4313
Reviewed-on: https://go-review.googlesource.com/c/go/+/474137
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 9f532dd)
Reviewed-on: https://go-review.googlesource.com/c/go/+/474581
gopherbot pushed a commit that referenced this issue Mar 9, 2023
…est builders

Also annotate calls to tooSlow with specific reasons.

This will somewhat reduce test coverage on the 'darwin' builders until
we have darwin 'longtest' builders (#35678,#49055), but still seems
worthwhile to avoid alert fatigue from tests that really shouldn't be
running in the short configurations.

Updates #58918.
Updates #58919.
Fixes #58938.

Change-Id: I0000f0084b262beeec3eca3e9b8a45d61fab4313
Reviewed-on: https://go-review.googlesource.com/c/go/+/474137
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
(cherry picked from commit 9f532dd)
Reviewed-on: https://go-review.googlesource.com/c/go/+/474580
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Labels
GoCommand cmd/go NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. Testing An issue that has been verified to require only test changes, not just a test failure.
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