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

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTraceGOMAXPROCS/Default
    trace_test.go:614: stderr: SIGBUS: bus error
        PC=0x52590 m=4 sigcode=2 addr=0xc00001a1600002

        goroutine 0 gp=0xc0003461c0 m=4 mp=0xc000342008 [idle]:
        runtime.runqempty(...)
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:6672
        runtime.checkRunqsNoP({0xc00002c000?, 0x0?, 0x0?}, {0xc00000e12c?, 0x0?, 0x0?})
            /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3741 +0x130 fp=0xc000359dd8 sp=0xc000359db8 pc=0x52590
        runtime.findRunnable()
...
        r20  0x0    r21  0x1
        r22  0xc0003461c0   r23  0xc000359d38
        r24  0xc000342008   r25  0x0
        r26  0xffffffff13ad7807 r27  0xffffffffecca5c93
        r28  0xbaf106b  r29  0xea398
        r30  0xffffffffffffffc0 r31  0x68216d32
        pc   0x52590    link 0x51194
        exit status 2
    trace_test.go:616: exit status 1
--- FAIL: TestTraceGOMAXPROCS/Default (0.49s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceGOMAXPROCS/Default"
2024-08-14 18:07 gotip-linux-loong64 go@3c170ac0 internal/trace.TestTraceGOMAXPROCS/Default (log) === RUN TestTraceGOMAXPROCS/Default trace_test.go:614: stderr: SIGBUS: bus error PC=0x52590 m=4 sigcode=2 addr=0xc00001a1600002 goroutine 0 gp=0xc0003461c0 m=4 mp=0xc000342008 [idle]: runtime.runqempty(...) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:6672 runtime.checkRunqsNoP({0xc00002c000?, 0x0?, 0x0?}, {0xc00000e12c?, 0x0?, 0x0?}) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3741 +0x130 fp=0xc000359dd8 sp=0xc000359db8 pc=0x52590 runtime.findRunnable() ... r20 0x0 r21 0x1 r22 0xc0003461c0 r23 0xc000359d38 r24 0xc000342008 r25 0x0 r26 0xffffffff13ad7807 r27 0xffffffffecca5c93 r28 0xbaf106b r29 0xea398 r30 0xffffffffffffffc0 r31 0x68216d32 pc 0x52590 link 0x51194 exit status 2 trace_test.go:616: exit status 1 --- FAIL: TestTraceGOMAXPROCS/Default (0.49s)

— watchflakes

Comment From: mknyszek

CC @golang/loong64

This looks like some kind of memory corruption, probably not actually related to tracing.

Comment From: abner-chenc

CC @golang/loong64

This looks like some kind of memory corruption, probably not actually related to tracing.

I also found that the memory of the Loong64 builder is not very reliable, and I am planning to replace these builders.

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceGOMAXPROCS/Default"
2024-08-23 10:40 gotip-linux-riscv64 go@6d55a017 internal/trace.TestTraceGOMAXPROCS/Default (log) === RUN TestTraceGOMAXPROCS/Default trace_test.go:614: stderr: # command-line-arguments SIGSEGV: segmentation violation PC=0x54a58 m=4 sigcode=1 addr=0xc0 goroutine 0 gp=0x3f500841c0 m=4 mp=0x3f50080008 [idle]: runtime.preemptone(0x3f500841c0?) runtime/proc.go:6310 +0x38 fp=0x3f50097f28 sp=0x3f50097f10 pc=0x54a58 runtime.preemptall() runtime/proc.go:6288 +0x60 fp=0x3f50097f50 sp=0x3f50097f28 pc=0x549f8 ... a7 0x8ec14 s2 0x3f50097ed0 s3 0x3f50080008 s4 0x3f50086000 s5 0x3 s6 0x0 s7 0x78e99d2e s8 0x3f50031290 s9 0x3f50097fa0 s10 0x2fc918 s11 0x3f500841c0 t3 0x1733977e45b909 t4 0xffffffffffffffff t5 0xcc35f684108 t6 0x0 pc 0x54a58 trace_test.go:616: exit status 1 --- FAIL: TestTraceGOMAXPROCS/Default (1.03s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "internal/trace" && test == "TestTraceGOMAXPROCS/Default"
2025-03-27 12:52 gotip-linux-ppc64_power8 go@d88f93f7 internal/trace.TestTraceGOMAXPROCS/Default (log) === RUN TestTraceGOMAXPROCS/Default trace_test.go:613: stderr: SIGSEGV: segmentation violation PC=0x54d34 m=2 sigcode=3 addr=0x545d77df0ce865 goroutine 0 gp=0xc000004a80 m=2 mp=0xc000048808 [idle]: runtime.checkTimersNoP({0xc00002e000?, 0xc000032508?, 0x74144?}, {0xc000010144?, 0x1bac8bbb?, 0x7415c?}, 0x0?) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3798 +0xc4 fp=0xc000061d48 sp=0xc000061d18 pc=0x54d34 runtime.findRunnable() /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/proc.go:3599 +0xa60 fp=0xc000061ec8 sp=0xc000061d48 pc=0x53770 runtime.schedule() ... r24 0x0 r25 0x9dd5e3723 r26 0x97c2ca1c4 r27 0xe1f2b8c4 r28 0x102abe72 r29 0xc000033868 r30 0xc000004a80 r31 0x0 pc 0x54d34 ctr 0x0 link 0x53770 xer 0x0 ccr 0x42420080 trap 0x380 exit status 2 trace_test.go:615: exit status 1 --- FAIL: TestTraceGOMAXPROCS/Default (0.64s)

— watchflakes