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net: ignore or skip known-flaky localhost Dial operations on macOS 10.12 builder

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Fixes #22019
Fixes #32919

Change-Id: I60bf6c69b18c3e2d78b494e54adc958fe40134da
Reviewed-on: https://go-review.googlesource.com/c/go/+/202618
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Bryan C. Mills 2019-10-22 10:22:28 -04:00
parent 07ccdeb192
commit 95544cc2c2
3 changed files with 21 additions and 3 deletions
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8
src/runtime/crash_test.go
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@ -435,6 +435,14 @@ func TestRecoverBeforePanicAfterGoexit(t *testing.T) {
}
func TestNetpollDeadlock(t *testing.T) {
if os.Getenv("GO_BUILDER_NAME") == "darwin-amd64-10_12" {
// A suspected kernel bug in macOS 10.12 occasionally results in
// an apparent deadlock when dialing localhost. The errors have not
// been observed on newer versions of the OS, so we don't plan to work
// around them. See https://golang.org/issue/22019.
testenv.SkipFlaky(t, 22019)
}
t.Parallel()
output := runTestProg(t, "testprognet", "NetpollDeadlock")
want := "done\n"