internal/trace: TestTraceStress/Stress failures #82115

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1. gopherbot commented on Oct 9, 2026

   

   gopherbot

   on Oct 9, 2026

   ContributorAuthor

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   Found new dashboard test flakes for:

   #!watchflakes
   default <- pkg == "internal/trace" && test == "TestTraceStress/Stress"
   

   2026-10-09 21:33 gotip-windows-amd64-longtest go@bb48d81c internal/trace.TestTraceStress/Stress (log)

   === RUN   TestTraceStress/Stress
       reader_test.go:122: tried to run proc 7 when one was already executing (0) on thread 5268
       helpers.go:38: Trace Go1.26
           EventBatch gen=1 m=18446744073709551615 time=4335541204 size=24
           Sync
           Frequency freq=7806730
           ClockSnapshot dt=29 mono=551418688600 sec=1791582834 nsec=680560400
           EventBatch gen=1 m=1588 time=4335543314 size=21
           ProcStatus dt=35 p=13 pstatus=2
           ProcStart dt=2 p=13 p_seq=1
   ...
           String id=139
           	data="C:/b/s/w/ir/x/w/goroot/src/syscall/syscall_windows.go"
           String id=140
           	data="syscall.writeFile"
           String id=141
           	data="syscall.WriteFile"
           EndOfGeneration
           
       helpers.go:39: Convert this to a raw trace with `go test internal/trace/testtrace -convert in.tracetxt -out out.trace`
   --- FAIL: TestTraceStress/Stress (14.03s)
   

   — watchflakes
2. gopherbot

   added

   AutomationIssues created by gopherbot or watchflakes automation.Issues created by gopherbot or watchflakes automation.

   compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

   on Oct 9, 2026
3. github-project-automation

   added this to Go Compiler / Runtime / Commandon Oct 9, 2026
4. dmitshur

   added

   NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

   on Oct 10, 2026