runtime: TestNeedmDeadlock failures #56420

gopherbot · 2022-10-25T17:38:09Z

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestNeedmDeadlock (5.11s)
    testenv.go:459: [/data/golang/workdir/tmp/go-build4218498514/testprogcgo.exe NeedmDeadlock] exit status: exit status 1
    crash_cgo_test.go:714: want OK
        , got Hung for 5 seconds

— watchflakes

The text was updated successfully, but these errors were encountered:

gopherbot · 2022-10-25T17:38:31Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2022-10-20 22:16 linux-s390x-ibm go@4725c71b runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (5.11s)
    testenv.go:459: [/data/golang/workdir/tmp/go-build4218498514/testprogcgo.exe NeedmDeadlock] exit status: exit status 1
    crash_cgo_test.go:714: want OK
        , got Hung for 5 seconds

— watchflakes

mknyszek · 2022-10-26T19:15:37Z

In triage I think we want to see more failures. For context, needm is used on the C -> Go call path to get an m for the C thread. Seems like it might be similar to #43625?

If it happens again on s390x I'll loop in the s390x folks.

mknyszek · 2022-11-23T15:21:29Z

This continues to be the only failure in recent memory. At the end of the cycle we should put this into the backlog if we don't see any more issues.

cherrymui · 2023-01-10T23:20:13Z

Seems no new failure for quite a while. Move to backlog.

gopherbot · 2023-01-16T21:45:49Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-01-09 20:25 openbsd-amd64-71 go@0bbd67e5 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (1.20s)
    exec.go:146: test timed out while running command: /tmp/workdir/tmp/go-build2241571717/testprogcgo.exe NeedmDeadlock
    crash_test.go:58: /tmp/workdir/tmp/go-build2241571717/testprogcgo.exe NeedmDeadlock: signal: quit
    crash_cgo_test.go:714: want OK
        , got

— watchflakes

gopherbot · 2023-02-02T19:57:09Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-01-26 07:17 darwin-amd64-10_15 go@cea70301 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.01s)
    crash_test.go:58: /tmp/buildlet/tmp/go-build4119296738/testprogcgo.exe NeedmDeadlock: signal: segmentation fault
    crash_cgo_test.go:716: want OK
        , got

2023-01-26 07:17 darwin-amd64-11_0 go@cea70301 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.01s)
    crash_test.go:58: /tmp/buildlet/tmp/go-build2556092564/testprogcgo.exe NeedmDeadlock: signal: segmentation fault
    crash_cgo_test.go:716: want OK
        , got

2023-01-26 10:15 darwin-amd64-10_15 go@4df10fba runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.01s)
    crash_test.go:58: /tmp/buildlet/tmp/go-build1310876794/testprogcgo.exe NeedmDeadlock: signal: segmentation fault
    crash_cgo_test.go:716: want OK
        , got

2023-01-26 10:15 darwin-amd64-11_0 go@4df10fba runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.02s)
    crash_test.go:58: /tmp/buildlet/tmp/go-build4292740019/testprogcgo.exe NeedmDeadlock: signal: segmentation fault
    crash_cgo_test.go:716: want OK
        , got

— watchflakes

gopherbot · 2023-03-08T18:18:27Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-02-28 01:46 linux-s390x-ibm go@aaace6dd runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (5.48s)
    crash_test.go:58: /data/golang/workdir/tmp/go-build1781243837/testprogcgo.exe NeedmDeadlock: exit status 1
    crash_cgo_test.go:716: want OK
        , got Hung for 5 seconds

— watchflakes

gopherbot · 2023-03-24T20:41:41Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-03-24 16:00 netbsd-arm-bsiegert go@ef0dedce runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.08s)
    crash_cgo_test.go:716: /var/gobuilder/buildlet/tmp/go-build3741504798/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:719: want OK
        , got signal 11 received on thread with no signal stack
        fatal error: non-Go code disabled sigaltstack

        runtime stack:
        runtime.throw({0x174cb5, 0x20})
        	/var/gobuilder/buildlet/go/src/runtime/panic.go:1076 +0x4c fp=0x43cc90 sp=0x43cc7c pc=0x4f6ac
        runtime.noSignalStack(0xb)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:1032 +0x68 fp=0x43cc9c sp=0x43cc90 pc=0x69b5c
        runtime.adjustSignalStack(0xb, 0x42e000, 0x43cce4)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:590 +0x254 fp=0x43cccc sp=0x43cc9c pc=0x68b24
        runtime.sigtrampgo(0xb, 0x43cd38, 0x43cdb8)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:480 +0xc4 fp=0x43cd04 sp=0x43cccc pc=0x6870c
        runtime.sigtramp()
        	/var/gobuilder/buildlet/go/src/runtime/sys_netbsd_arm.s:306 +0x2c fp=0x43cd18 sp=0x43cd04 pc=0x88d1c

— watchflakes

cherrymui · 2023-03-25T17:34:07Z

The failure on 2023-03-24 is due to CL 392854 and is fixed with CL 479255.

gopherbot · 2023-03-25T21:39:08Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-03-24 18:14 netbsd-arm-bsiegert go@2716dfd9 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.02s)
    crash_cgo_test.go:716: /var/gobuilder/buildlet/tmp/go-build1118342320/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:719: want OK
        , got panic: runtime error: invalid memory address or nil pointer dereference
        [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x0]

— watchflakes

gopherbot · 2023-03-25T23:46:27Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-03-24 17:48 netbsd-arm-bsiegert go@59d7c693 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.09s)
    crash_cgo_test.go:716: /var/gobuilder/buildlet/tmp/go-build632147128/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:719: want OK
        , got signal 11 received on thread with no signal stack
        fatal error: non-Go code disabled sigaltstack

        runtime stack:
        runtime.throw({0x174cb5, 0x20})
        	/var/gobuilder/buildlet/go/src/runtime/panic.go:1076 +0x4c fp=0x43cc90 sp=0x43cc7c pc=0x4f6ac
        runtime.noSignalStack(0xb)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:1032 +0x68 fp=0x43cc9c sp=0x43cc90 pc=0x69b5c
        runtime.adjustSignalStack(0xb, 0x42e000, 0x43cce4)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:590 +0x254 fp=0x43cccc sp=0x43cc9c pc=0x68b24
        runtime.sigtrampgo(0xb, 0x43cd38, 0x43cdb8)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:480 +0xc4 fp=0x43cd04 sp=0x43cccc pc=0x6870c
        runtime.sigtramp()
        	/var/gobuilder/buildlet/go/src/runtime/sys_netbsd_arm.s:306 +0x2c fp=0x43cd18 sp=0x43cd04 pc=0x88d1c

— watchflakes

gopherbot · 2023-03-31T19:52:43Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-03-31 19:15 linux-arm-aws go@99276aeb runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.01s)
    crash_cgo_test.go:722: /workdir/tmp/go-build590000508/testprogcgo.exe NeedmDeadlock: signal: segmentation fault (core dumped)
    crash_cgo_test.go:725: want OK
        , got

— watchflakes

gopherbot · 2023-04-02T12:39:55Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-03-31 19:15 netbsd-arm-bsiegert go@99276aeb runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.07s)
    crash_cgo_test.go:722: /var/gobuilder/buildlet/tmp/go-build646227022/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:725: want OK
        , got signal 11 received on thread with no signal stack
        fatal error: non-Go code disabled sigaltstack

        runtime stack:
        runtime.throw({0x176019, 0x20})
        	/var/gobuilder/buildlet/go/src/runtime/panic.go:1076 +0x4c fp=0x43cc90 sp=0x43cc7c pc=0x4f6e0
        runtime.noSignalStack(0xb)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:1036 +0x68 fp=0x43cc9c sp=0x43cc90 pc=0x69b6c
        runtime.adjustSignalStack(0xb, 0x42e000, 0x43cce4)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:590 +0x254 fp=0x43cccc sp=0x43cc9c pc=0x68b28
        runtime.sigtrampgo(0xb, 0x43cd38, 0x43cdb8)
        	/var/gobuilder/buildlet/go/src/runtime/signal_unix.go:480 +0xc4 fp=0x43cd04 sp=0x43cccc pc=0x68710
        runtime.sigtramp()
        	/var/gobuilder/buildlet/go/src/runtime/sys_netbsd_arm.s:306 +0x2c fp=0x43cd18 sp=0x43cd04 pc=0x8934c

— watchflakes

gopherbot · 2023-06-01T09:44:08Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-05-31 19:15 linux-s390x-ibm go@3cea9e68 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (5.05s)
    crash_cgo_test.go:745: /data/golang/workdir/tmp/go-build1347411103/testprogcgo.exe NeedmDeadlock: exit status 1
    crash_cgo_test.go:748: want OK
        , got Hung for 5 seconds

— watchflakes

gopherbot · 2023-08-24T14:09:30Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-08-22 19:18 linux-s390x-ibm-race go@3e73802c runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (5.77s)
    crash_cgo_test.go:749: /data/golang/workdir/tmp/go-build111191324/testprogcgo.exe NeedmDeadlock: exit status 1
    crash_cgo_test.go:752: want OK
        , got Hung for 5 seconds

panic: test timed out after 6m0s
running tests:
	TestGoroutineParallelism2 (2m44s)

goroutine 23830 [running]:
...

goroutine 23842 [running]:
	goroutine running on other thread; stack unavailable
created by runtime_test.testGoroutineParallelism2.func2 in goroutine 23791
	/data/golang/workdir/go/src/runtime/proc_test.go:213 +0x92

goroutine 23793 [running]:
	goroutine running on other thread; stack unavailable
created by runtime_test.testGoroutineParallelism2.func2 in goroutine 23791
	/data/golang/workdir/go/src/runtime/proc_test.go:213 +0x92

— watchflakes

gopherbot · 2023-09-12T21:06:02Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-09-12 17:08 netbsd-arm-bsiegert go@4f9fe6d5 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.00s)
    crash_cgo_test.go:749: building testprogcgo []: exit status 1
        # runtime/testdata/testprogcgo
        In file included from /usr/include/ucontext.h:36:0,
                         from stackswitch.c:16:
        /usr/include/sys/ucontext.h:44:2: error: unknown type name 'stack_t'
          stack_t  uc_stack; /* the stack used by this context */
          ^~~~~~~
        stackswitch.c: In function 'stackSwitchThread':
        stackswitch.c:68:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack1;
                              ^
        stackswitch.c:69:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^
        stackswitch.c:82:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack2;
                              ^
        stackswitch.c:83:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^

2023-09-12 18:14 netbsd-arm-bsiegert go@5cc1e99f runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.00s)
    crash_cgo_test.go:749: building testprogcgo []: exit status 1
        # runtime/testdata/testprogcgo
        In file included from /usr/include/ucontext.h:36:0,
                         from stackswitch.c:16:
        /usr/include/sys/ucontext.h:44:2: error: unknown type name 'stack_t'
          stack_t  uc_stack; /* the stack used by this context */
          ^~~~~~~
        stackswitch.c: In function 'stackSwitchThread':
        stackswitch.c:68:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack1;
                              ^
        stackswitch.c:69:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^
        stackswitch.c:82:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack2;
                              ^
        stackswitch.c:83:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^

— watchflakes

gopherbot · 2023-10-28T23:48:40Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2023-09-12 17:47 netbsd-arm-bsiegert go@9f5a2cf6 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.00s)
    crash_cgo_test.go:749: building testprogcgo []: exit status 1
        # runtime/testdata/testprogcgo
        In file included from /usr/include/ucontext.h:36:0,
                         from stackswitch.c:16:
        /usr/include/sys/ucontext.h:44:2: error: unknown type name 'stack_t'
          stack_t  uc_stack; /* the stack used by this context */
          ^~~~~~~
        stackswitch.c: In function 'stackSwitchThread':
        stackswitch.c:68:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack1;
                              ^
        stackswitch.c:69:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^
        stackswitch.c:82:22: error: request for member 'ss_sp' in something not a structure or union
          uctx_switch.uc_stack.ss_sp = stack2;
                              ^
        stackswitch.c:83:22: error: request for member 'ss_size' in something not a structure or union
          uctx_switch.uc_stack.ss_size = STACK_SIZE;
                              ^

— watchflakes

gopherbot · 2024-01-11T19:45:28Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2024-01-10 17:35 netbsd-arm-bsiegert go@e9b3ff15 runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.14s)
    crash_cgo_test.go:750: /scratch/gobuilder/buildlet/tmp/go-build2263110711/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:753: want OK
        , got signal 20 received on thread with no signal stack
        fatal error: non-Go code disabled sigaltstack

        runtime stack:
        runtime.throw({0x18e5c1, 0x20})
        	/scratch/gobuilder/buildlet/go/src/runtime/panic.go:1023 +0x4c fp=0x444c8c sp=0x444c78 pc=0x53f54
        runtime.noSignalStack(0x14)
...
        runtime.gopark(0x193ea4, 0x490000, 0x13, 0xe, 0x1)
        	/scratch/gobuilder/buildlet/go/src/runtime/proc.go:402 +0x104 fp=0x4307a4 sp=0x430790 pc=0x57430
        time.Sleep(0x12a05f200)
        	/scratch/gobuilder/buildlet/go/src/runtime/time.go:195 +0x158 fp=0x4307c0 sp=0x4307a4 pc=0x8fb0c
        main.NeedmDeadlock.func1()
        	/scratch/gobuilder/buildlet/go/src/runtime/testdata/testprogcgo/needmdeadlock.go:89 +0x24 fp=0x4307ec sp=0x4307c0 pc=0x150c54
        runtime.goexit({})
        	/scratch/gobuilder/buildlet/go/src/runtime/asm_arm.s:859 +0x4 fp=0x4307ec sp=0x4307ec pc=0x91d44
        created by main.NeedmDeadlock in goroutine 1
        	/scratch/gobuilder/buildlet/go/src/runtime/testdata/testprogcgo/needmdeadlock.go:88 +0x1c

— watchflakes

gopherbot · 2024-02-18T04:22:41Z

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "runtime" && test == "TestNeedmDeadlock"

2024-02-17 06:03 netbsd-arm-bsiegert go@86a32d6d runtime.TestNeedmDeadlock (log)

--- FAIL: TestNeedmDeadlock (0.13s)
    crash_cgo_test.go:750: /scratch/gobuilder/buildlet/tmp/go-build1471636622/testprogcgo.exe NeedmDeadlock: exit status 2
    crash_cgo_test.go:753: want OK
        , got signal 20 received on thread with no signal stack
        fatal error: non-Go code disabled sigaltstack

        runtime stack:
        runtime.throw({0x18e14c, 0x20})
        	/scratch/gobuilder/buildlet/go/src/runtime/panic.go:1021 +0x4c fp=0x444c24 sp=0x444c10 pc=0x539ec
        runtime.noSignalStack(0x14)
...
        runtime.gopark(0x193a30, 0x580000, 0x13, 0xe, 0x1)
        	/scratch/gobuilder/buildlet/go/src/runtime/proc.go:402 +0x104 fp=0x4307a4 sp=0x430790 pc=0x56ec0
        time.Sleep(0x12a05f200)
        	/scratch/gobuilder/buildlet/go/src/runtime/time.go:195 +0x158 fp=0x4307c0 sp=0x4307a4 pc=0x8f8ec
        main.NeedmDeadlock.func1()
        	/scratch/gobuilder/buildlet/go/src/runtime/testdata/testprogcgo/needmdeadlock.go:89 +0x24 fp=0x4307ec sp=0x4307c0 pc=0x150920
        runtime.goexit({})
        	/scratch/gobuilder/buildlet/go/src/runtime/asm_arm.s:859 +0x4 fp=0x4307ec sp=0x4307ec pc=0x91b24
        created by main.NeedmDeadlock in goroutine 1
        	/scratch/gobuilder/buildlet/go/src/runtime/testdata/testprogcgo/needmdeadlock.go:88 +0x1c

— watchflakes

gopherbot added NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. compiler/runtime Issues related to the Go compiler and/or runtime. labels Oct 25, 2022

mknyszek added this to the Go1.20 milestone Oct 26, 2022

cherrymui modified the milestones: Go1.20, Backlog Jan 10, 2023

cherrymui added the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Jan 10, 2023

bcmills mentioned this issue Jan 11, 2023

runtime: TestNeedmDeadlock failure with SIGSEGV on linux-mips-rtrk builder #43625

Closed

seankhliao removed the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Sep 18, 2023

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runtime: TestNeedmDeadlock failures #56420

runtime: TestNeedmDeadlock failures #56420

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runtime: TestNeedmDeadlock failures #56420

runtime: TestNeedmDeadlock failures #56420

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