#!watchflakes
default <- pkg == "internal/trace/v2" && test == "TestTraceGCStress/Default"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTraceGCStress/Default
    trace_test.go:560: stderr: runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory
        runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use)
        fatal error: out of memory

        goroutine 51 gp=0x1480908 m=11 mp=0x104f608 [running]:
        runtime.throw({0x82c393, 0xd})
...
            C:/b/s/w/ir/x/w/goroot/src/runtime/slice.go:107 +0x4d fp=0x148ffd8 sp=0x148ffc4 pc=0x7bdd7d
        main.main.func1()
            C:/b/s/w/ir/x/w/goroot/src/internal/trace/v2/testdata/testprog/gc-stress.go:60 +0x41 fp=0x148fff0 sp=0x148ffd8 pc=0x80f5c1
        runtime.goexit({})
            C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:1363 +0x1 fp=0x148fff4 sp=0x148fff0 pc=0x7db9d1
        created by main.main in goroutine 1
            C:/b/s/w/ir/x/w/goroot/src/internal/trace/v2/testdata/testprog/gc-stress.go:58 +0x10e
        exit status 2
    trace_test.go:562: exit status 1
--- FAIL: TestTraceGCStress/Default (2.32s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace/v2" && test == "TestTraceGCStress/Default"
2024-06-24 17:14 go1.22-windows-386 release-branch.go1.22@5159a719 internal/trace/v2.TestTraceGCStress/Default (log) === RUN TestTraceGCStress/Default trace_test.go:560: stderr: runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2054553600 in use) fatal error: out of memory goroutine 51 gp=0x1480908 m=11 mp=0x104f608 [running]: runtime.throw({0x82c393, 0xd}) ... C:/b/s/w/ir/x/w/goroot/src/runtime/slice.go:107 +0x4d fp=0x148ffd8 sp=0x148ffc4 pc=0x7bdd7d main.main.func1() C:/b/s/w/ir/x/w/goroot/src/internal/trace/v2/testdata/testprog/gc-stress.go:60 +0x41 fp=0x148fff0 sp=0x148ffd8 pc=0x80f5c1 runtime.goexit({}) C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:1363 +0x1 fp=0x148fff4 sp=0x148fff0 pc=0x7db9d1 created by main.main in goroutine 1 C:/b/s/w/ir/x/w/goroot/src/internal/trace/v2/testdata/testprog/gc-stress.go:58 +0x10e exit status 2 trace_test.go:562: exit status 1 --- FAIL: TestTraceGCStress/Default (2.32s)

— watchflakes

Comment From: cagedmantis

Just ran into another instance of this: log

Build: try / go1.22-windows-386 / b8724362139643126337 === RUN TestTraceGCStress/Default trace_test.go:560: stderr: runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory runtime: out of memory: cannot allocate 4194304-byte block (2042134528 in use) fatal error: out of memory goroutine 64 gp=0x2187208 m=17 mp=0x745a008 [running]: runtime.throw({0x55c393, 0xd}) C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1023 +0x4d fp=0x3fabf10 sp=0x3fabefc pc=0x4d844d runtime.(*mcache).refill(0x1311558, 0x87) C:/b/s/w/ir/x/w/goroot/src/runtime/mcache.go:184 +0x22d fp=0x3fabf3c sp=0x3fabf10 pc=0x4b38ad runtime.(*mcache).nextFree(0x1311558, 0x87) C:/b/s/w/ir/x/w/goroot/src/runtime/malloc.go:948 +0x82 fp=0x3fabf5c sp=0x3fabf3c pc=0x4ac192 ... created by main.main in goroutine 1 C:/b/s/w/ir/x/w/goroot/src/internal/trace/v2/testdata/testprog/gc-stress.go:58 +0x10e exit status 2 trace_test.go:562: exit status 1 --- FAIL: TestTraceGCStress/Default (2.00s)