runtime: TestEnsureDropM failures

[gopherbot]

#!watchflakes
post <- pkg == "runtime" && test == "TestEnsureDropM"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestEnsureDropM (0.34s)
    crash_test.go:59: /ramdisk8GB/workdir-host-aix-ppc64-osuosl/tmp/go-build1230144557/testprogcgo.exe EnsureDropM failed to start: exec: WaitDelay expired before I/O complete

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestEnsureDropM"

2022-10-31 21:51 aix-ppc64 go@5619dd08 runtime.TestEnsureDropM (log)

--- FAIL: TestEnsureDropM (0.34s)
    crash_test.go:59: /ramdisk8GB/workdir-host-aix-ppc64-osuosl/tmp/go-build1230144557/testprogcgo.exe EnsureDropM failed to start: exec: WaitDelay expired before I/O complete

— watchflakes

[bcmills]

Fixed by https://go.dev/cl/446875.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestEnsureDropM"

2022-11-18 23:57 openbsd-386-71 go@04d6aa65 runtime.TestEnsureDropM (log)

--- FAIL: TestEnsureDropM (0.01s)
    crash_test.go:58: /tmp/workdir/tmp/go-build3123997662/testprogcgo.exe EnsureDropM failed to start: context deadline exceeded

2022-12-06 19:52 openbsd-386-71 go@03bf6f49 runtime.TestEnsureDropM (log)

--- FAIL: TestEnsureDropM (0.00s)
    crash_test.go:58: /tmp/workdir/tmp/go-build719402250/testprogcgo.exe EnsureDropM failed to start: context deadline exceeded

2022-12-16 17:12 openbsd-amd64-71 go@f4b42f5c runtime.TestEnsureDropM (log)

--- FAIL: TestEnsureDropM (0.00s)
    crash_test.go:58: /tmp/workdir/tmp/go-build3915581810/testprogcgo.exe EnsureDropM failed to start: context deadline exceeded

— watchflakes

[bcmills]

The openbsd failures are #57585.