#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceGCStress/AllocFree"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTraceGCStress/AllocFree
    trace_test.go:614: stderr: runtime: out of memory: cannot allocate 4194304-byte block (4209803264 in use)
        fatal error: out of memory

        goroutine 55 gp=0xa489d48 m=11 mp=0x117d4808 [running]:
        runtime.throw({0x8113430, 0xd})
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1094 +0x35 fp=0xbc50f18 sp=0xbc50f04 pc=0x80bc8a5
        runtime.(*mcache).refill(0xf7f62848, 0x59)
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mcache.go:186 +0x234 fp=0xbc50f44 sp=0xbc50f18 pc=0x8061894
        runtime.(*mcache).nextFree(0xf7f62848, 0x59)
...
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace.go:781 +0x54 fp=0xa82bf9c sp=0xa82bf78 pc=0x80c0004
        runtime/trace.(*traceMultiplexer).startLocked.func1()
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace/subscribe.go:167 +0xb2 fp=0xa82bff0 sp=0xa82bf9c pc=0x80f1f72
        runtime.goexit({})
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_386.s:1386 +0x1 fp=0xa82bff4 sp=0xa82bff0 pc=0x80c1ba1
        created by runtime/trace.(*traceMultiplexer).startLocked in goroutine 1
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace/subscribe.go:157 +0x10d
        exit status 2
    trace_test.go:616: exit status 1
--- FAIL: TestTraceGCStress/AllocFree (3.26s)

watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceGCStress/AllocFree"
2025-06-06 19:45 go1.25-linux-386-longtest release-branch.go1.25@5abb1d84 internal/trace.TestTraceGCStress/AllocFree (log) === RUN TestTraceGCStress/AllocFree trace_test.go:614: stderr: runtime: out of memory: cannot allocate 4194304-byte block (4209803264 in use) fatal error: out of memory goroutine 55 gp=0xa489d48 m=11 mp=0x117d4808 [running]: runtime.throw({0x8113430, 0xd}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1094 +0x35 fp=0xbc50f18 sp=0xbc50f04 pc=0x80bc8a5 runtime.(*mcache).refill(0xf7f62848, 0x59) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mcache.go:186 +0x234 fp=0xbc50f44 sp=0xbc50f18 pc=0x8061894 runtime.(*mcache).nextFree(0xf7f62848, 0x59) ... /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace.go:781 +0x54 fp=0xa82bf9c sp=0xa82bf78 pc=0x80c0004 runtime/trace.(*traceMultiplexer).startLocked.func1() /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace/subscribe.go:167 +0xb2 fp=0xa82bff0 sp=0xa82bf9c pc=0x80f1f72 runtime.goexit({}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_386.s:1386 +0x1 fp=0xa82bff4 sp=0xa82bff0 pc=0x80c1ba1 created by runtime/trace.(*traceMultiplexer).startLocked in goroutine 1 /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/trace/subscribe.go:157 +0x10d exit status 2 trace_test.go:616: exit status 1 --- FAIL: TestTraceGCStress/AllocFree (3.26s)

watchflakes