internal/trace: TestTraceStressStartStop/Default failures

[gopherbot]

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceStressStartStop/Default"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTraceStressStartStop/Default
    reader_test.go:112: unexpected error while reading the trace: broken trace: failed to advance: frontier:
        [gen=5]
        
        M 3764 [ProcStart time=16122150543994 p=4 p_seq=22]
        M 12168 [GoUnblock time=16122151264173 g=22 g_seq=2 stack=0]
        
        G 4 [status=Waiting seq=2 (gen=5)]
        G 5 [status=Waiting seq=0 (gen=5)]
        G 57 [status=Waiting seq=0 (gen=5)]
...
        String id=193
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/net/tcpsockopt_posix.go"
        String id=194
        	data="net.setKeepAlive"
        String id=195
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/net/sockopt_posix.go"
        String id=196
        	data="runtime.forcegchelper"
        
--- FAIL: TestTraceStressStartStop/Default (3.36s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceStressStartStop/Default"

2024-11-05 19:52 gotip-windows-arm64 go@3b94c357 internal/trace.TestTraceStressStartStop/Default (log)

=== RUN   TestTraceStressStartStop/Default
    reader_test.go:112: unexpected error while reading the trace: broken trace: failed to advance: frontier:
        [gen=5]
        
        M 3764 [ProcStart time=16122150543994 p=4 p_seq=22]
        M 12168 [GoUnblock time=16122151264173 g=22 g_seq=2 stack=0]
        
        G 4 [status=Waiting seq=2 (gen=5)]
        G 5 [status=Waiting seq=0 (gen=5)]
        G 57 [status=Waiting seq=0 (gen=5)]
...
        String id=193
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/net/tcpsockopt_posix.go"
        String id=194
        	data="net.setKeepAlive"
        String id=195
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/net/sockopt_posix.go"
        String id=196
        	data="runtime.forcegchelper"
        
--- FAIL: TestTraceStressStartStop/Default (3.36s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceStressStartStop/Default"

2025-02-07 01:10 gotip-windows-arm64 go@637c235b internal/trace.TestTraceStressStartStop/Default (log)

=== RUN   TestTraceStressStartStop/Default
    reader_test.go:112: unexpected error while reading the trace: broken trace: failed to advance: frontier:
        [gen=5]
        
        M 23592 [ProcStart time=6363207916491623 p=1 p_seq=1]
        
        G 7 [status=Waiting seq=2 (gen=5)]
        G 11 [status=Syscall seq=0 (gen=5)]
        G 35 [status=Waiting seq=0 (gen=5)]
        G 36 [status=Waiting seq=0 (gen=5)]
...
        String id=115
        	data="runtime.bgsweep"
        String id=116
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgcsweep.go"
        String id=117
        	data="runtime.chanrecv"
        String id=118
        	data="runtime.unique_runtime_registerUniqueMapCleanup.func2"
        
--- FAIL: TestTraceStressStartStop/Default (3.22s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceStressStartStop/Default"

2025-02-10 18:48 gotip-windows-arm64 go@3924fe92 internal/trace.TestTraceStressStartStop/Default (log)

=== RUN   TestTraceStressStartStop/Default
    reader_test.go:112: unexpected error while reading the trace: broken trace: failed to advance: frontier:
        [gen=5]
        
        M 23612 [ProcStart time=6752361547501813 p=3 p_seq=1]
        
        G 6 [status=Waiting seq=0 (gen=5)]
        G 37 [status=Waiting seq=0 (gen=5)]
        G 39 [status=Waiting seq=0 (gen=5)]
        G 40 [status=Waiting seq=0 (gen=5)]
...
        String id=108
        	data="runtime.gcBgMarkWorker"
        String id=109
        	data="C:/Users/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mgc.go"
        String id=110
        	data="runtime.chanrecv"
        String id=111
        	data="runtime.unique_runtime_registerUniqueMapCleanup.func2"
        
--- FAIL: TestTraceStressStartStop/Default (2.86s)

— watchflakes