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runtime: skip TestNoShrinkStackWhileParking on netbsd/arm64 

This test appears to deadlock frequently on the only netbsd-arm64
builder we have (netbsd-arm64-bsiegert). Skip the test to provide
more useful test coverage for other failures.

For #49382

Change-Id: I3be32f58ce1e396f7c69163e70cf58f779f57ac6
Reviewed-on: https://go-review.googlesource.com/c/go/+/361615
Trust: Bryan C. Mills <bcmills@google.com>
Trust: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
This commit is contained in:
Bryan C. Mills 2021-11-05 10:11:11 -04:00
parent df1837799d
commit 53bab198d9
1 changed files with 4 additions and 0 deletions
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4
src/runtime/chan_test.go
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@ -624,6 +624,10 @@ func TestShrinkStackDuringBlockedSend(t *testing.T) {
}
func TestNoShrinkStackWhileParking(t *testing.T) {
if runtime.GOOS == "netbsd" && runtime.GOARCH == "arm64" {
testenv.SkipFlaky(t, 49382)
}
// The goal of this test is to trigger a "racy sudog adjustment"
// throw. Basically, there's a window between when a goroutine
// becomes available for preemption for stack scanning (and thus,