#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
Issue created automatically to collect these failures.
Example (log):
=== RUN TestSynctest
crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe
crash_test.go:208: built testsynctest in 606.7658ms
exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe
synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe : exit status 1
synctest_test.go:15: output:
wanted:
success
--- FAIL: TestSynctest (922.84s)
Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-02 18:58 gotip-windows-arm64 go@cc119ee3 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe crash_test.go:208: built testsynctest in 606.7658ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build795681651\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (922.84s)2025-06-02 20:36 gotip-windows-arm64 go@a3796985 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build2770417208\testsynctest.exe crash_test.go:208: built testsynctest in 715.5707ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build2770417208\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build2770417208\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (912.02s)2025-06-02 22:28 gotip-windows-arm64 go@eebae283 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build952786217\testsynctest.exe crash_test.go:208: built testsynctest in 607.1311ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build952786217\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build952786217\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (922.14s)2025-06-03 14:30 gotip-windows-arm64 go@792548a4 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build1691638556\testsynctest.exe crash_test.go:208: built testsynctest in 539.9917ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build1691638556\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build1691638556\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (924.08s)2025-06-03 16:36 gotip-windows-arm64 go@0c0094c8 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build3853645549\testsynctest.exe crash_test.go:208: built testsynctest in 716.3848ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build3853645549\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build3853645549\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (922.33s)2025-06-03 17:53 gotip-windows-arm64 go@74b70eea runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build1963081228\testsynctest.exe crash_test.go:208: built testsynctest in 566.4682ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build1963081228\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build1963081228\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (922.73s)2025-06-03 18:28 gotip-windows-arm64 go@94764d09 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build276978870\testsynctest.exe crash_test.go:208: built testsynctest in 735.3747ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build276978870\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build276978870\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (922.52s)2025-06-03 20:34 gotip-windows-arm64 go@cfb4e9bc runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build240215008\testsynctest.exe crash_test.go:208: built testsynctest in 648.9107ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build240215008\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build240215008\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (913.28s)2025-06-04 14:40 gotip-windows-arm64 go@1f2a4d19 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build1904327678\testsynctest.exe crash_test.go:208: built testsynctest in 1.4797487s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build1904327678\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build1904327678\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (908.91s)Comment From: qmuntal
This issue started to happen consistently after CL 675257.
@neild
Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-04 15:27 gotip-windows-arm64 go@1aa33620 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build2645188980\testsynctest.exe crash_test.go:208: built testsynctest in 1.3001172s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build2645188980\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build2645188980\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (906.02s)Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-04 16:20 gotip-windows-arm64 go@3432c684 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build3232668677\testsynctest.exe crash_test.go:208: built testsynctest in 1.1724789s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build3232668677\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build3232668677\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (911.20s)Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-04 15:16 gotip-windows-arm64 go@f537061e runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build3407822567\testsynctest.exe crash_test.go:208: built testsynctest in 1.3855165s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build3407822567\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build3407822567\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (907.29s)Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-05 18:44 gotip-windows-arm64 go@4d1c255f runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build1761938195\testsynctest.exe crash_test.go:208: built testsynctest in 1.3379774s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build1761938195\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build1761938195\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (909.14s)Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-06 17:04 gotip-windows-arm64 go@78eadf5b runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build3471974309\testsynctest.exe crash_test.go:208: built testsynctest in 1.221117s exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build3471974309\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build3471974309\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (905.79s)Comment From: gopherbot
Change https://go.dev/cl/679696 mentions this issue: runtime: yield in TestSynctest to ensure cleanups run
Comment From: gopherbot
Found new dashboard test flakes for:
#!watchflakes
default <- pkg == "runtime" && test == "TestSynctest"
2025-06-06 21:05 gotip-windows-arm64 go@0ccfbc83 runtime.TestSynctest (log)
=== RUN TestSynctest crash_test.go:186: running C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin\go.exe build -o C:\Users\swarming\.swarming\w\ir\x\t\go-build1955900492\testsynctest.exe crash_test.go:208: built testsynctest in 687.0984ms exec.go:213: test timed out while running command: C:\Users\swarming\.swarming\w\ir\x\t\go-build1955900492\testsynctest.exe synctest_test.go:12: C:\Users\swarming\.swarming\w\ir\x\t\go-build1955900492\testsynctest.exe : exit status 1 synctest_test.go:15: output: wanted: success --- FAIL: TestSynctest (904.87s)Comment From: shuLhan
I got the same build error on one of my linux/amd64 machine on tip d184f8dc020a .
Snippet of build logs,
ok regexp/syntax 1.112s
--- FAIL: TestSynctest (444.91s)
crash_test.go:186: running /home/ms/src/go/bin/go build -o /tmp/go-build3908488011/testsynctest.exe
crash_test.go:208: built testsynctest in 549.398623ms
exec.go:213: test timed out while running command: /tmp/go-build3908488011/testsynctest.exe
synctest_test.go:12: /tmp/go-build3908488011/testsynctest.exe : exit status 2
synctest_test.go:15: output:
SIGQUIT: quit
PC=0x472141 m=0 sigcode=0
goroutine 0 gp=0x516b00 m=0 mp=0x517800 [idle]:
runtime.futex(0x517938, 0x80, 0x0, 0x0, 0x0, 0x0)
/home/ms/src/go/src/runtime/sys_linux_amd64.s:557 +0x21 fp=0x7ffcb8ebf580 sp=0x7ffcb8ebf578 pc=0x472141
runtime.futexsleep(0x4?, 0x0?, 0x24fca?)
/home/ms/src/go/src/runtime/os_linux.go:76 +0x30 fp=0x7ffcb8ebf5d0 sp=0x7ffcb8ebf580 pc=0x435ef0
runtime.notesleep(0x517938)
/home/ms/src/go/src/runtime/lock_futex.go:47 +0x87 fp=0x7ffcb8ebf608 sp=0x7ffcb8ebf5d0 pc=0x410767
runtime.mPark(...)
/home/ms/src/go/src/runtime/proc.go:1928
runtime.stopm()
/home/ms/src/go/src/runtime/proc.go:2959 +0x8c fp=0x7ffcb8ebf638 sp=0x7ffcb8ebf608 pc=0x440f6c
runtime.findRunnable()
/home/ms/src/go/src/runtime/proc.go:3718 +0x10d7 fp=0x7ffcb8ebf808 sp=0x7ffcb8ebf638 pc=0x442d77
runtime.schedule()
/home/ms/src/go/src/runtime/proc.go:4086 +0xb1 fp=0x7ffcb8ebf840 sp=0x7ffcb8ebf808 pc=0x443dd1
runtime.park_m(0xc000230700)
/home/ms/src/go/src/runtime/proc.go:4209 +0x285 fp=0x7ffcb8ebf8a0 sp=0x7ffcb8ebf840 pc=0x444285
runtime.mcall()
/home/ms/src/go/src/runtime/asm_amd64.s:458 +0x55 fp=0x7ffcb8ebf8b8 sp=0x7ffcb8ebf8a0 pc=0x46e515
goroutine 1 gp=0xc000002380 m=nil [synctest.Run, 7 minutes, synctest bubble 1, durably blocked]:
runtime.gopark(0xc00007aec8?, 0x412a34?, 0x8?, 0xd1?, 0x7f1dca5a60d0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc00007ae78 sp=0xc00007ae58 pc=0x46a70e
internal/synctest.Run(0xc00000e018)
/home/ms/src/go/src/runtime/synctest.go:218 +0x1da fp=0xc00007af20 sp=0xc00007ae78 pc=0x46c9da
main.main()
/home/ms/src/go/src/runtime/testdata/testsynctest/main.go:36 +0x87 fp=0xc00007af50 sp=0xc00007af20 pc=0x473f27
runtime.main()
/home/ms/src/go/src/runtime/proc.go:285 +0x29d fp=0xc00007afe0 sp=0xc00007af50 pc=0x43c17d
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc00007afe8 sp=0xc00007afe0 pc=0x470381
goroutine 2 gp=0xc000002fc0 m=nil [force gc (idle), 7 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000046fa8 sp=0xc000046f88 pc=0x46a70e
runtime.goparkunlock(...)
/home/ms/src/go/src/runtime/proc.go:466
runtime.forcegchelper()
/home/ms/src/go/src/runtime/proc.go:373 +0xb3 fp=0xc000046fe0 sp=0xc000046fa8 pc=0x43c4b3
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000046fe8 sp=0xc000046fe0 pc=0x470381
created by runtime.init.7 in goroutine 1
/home/ms/src/go/src/runtime/proc.go:361 +0x1a
goroutine 3 gp=0xc000003180 m=nil [GC sweep wait]:
runtime.gopark(0x1?, 0x0?, 0x0?, 0x0?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000047780 sp=0xc000047760 pc=0x46a70e
runtime.goparkunlock(...)
/home/ms/src/go/src/runtime/proc.go:466
runtime.bgsweep(0xc000022080)
/home/ms/src/go/src/runtime/mgcsweep.go:323 +0xdf fp=0xc0000477c8 sp=0xc000047780 pc=0x427c9f
runtime.gcenable.gowrap1()
/home/ms/src/go/src/runtime/mgc.go:212 +0x25 fp=0xc0000477e0 sp=0xc0000477c8 pc=0x41be85
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000477e8 sp=0xc0000477e0 pc=0x470381
created by runtime.gcenable in goroutine 1
/home/ms/src/go/src/runtime/mgc.go:212 +0x66
goroutine 4 gp=0xc000003340 m=nil [GC scavenge wait]:
runtime.gopark(0x23bae2?, 0x14cb0e?, 0x0?, 0x0?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000047f78 sp=0xc000047f58 pc=0x46a70e
runtime.goparkunlock(...)
/home/ms/src/go/src/runtime/proc.go:466
runtime.(*scavengerState).park(0x5168c0)
/home/ms/src/go/src/runtime/mgcscavenge.go:425 +0x49 fp=0xc000047fa8 sp=0xc000047f78 pc=0x425729
runtime.bgscavenge(0xc000022080)
/home/ms/src/go/src/runtime/mgcscavenge.go:658 +0x59 fp=0xc000047fc8 sp=0xc000047fa8 pc=0x425cd9
runtime.gcenable.gowrap2()
/home/ms/src/go/src/runtime/mgc.go:213 +0x25 fp=0xc000047fe0 sp=0xc000047fc8 pc=0x41be25
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000047fe8 sp=0xc000047fe0 pc=0x470381
created by runtime.gcenable in goroutine 1
/home/ms/src/go/src/runtime/mgc.go:213 +0xa5
goroutine 5 gp=0xc000003500 m=nil [GOMAXPROCS updater (idle), 7 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000048788 sp=0xc000048768 pc=0x46a70e
runtime.goparkunlock(...)
/home/ms/src/go/src/runtime/proc.go:466
runtime.updateMaxProcsGoroutine()
/home/ms/src/go/src/runtime/proc.go:6649 +0xe7 fp=0xc0000487e0 sp=0xc000048788 pc=0x44a287
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000487e8 sp=0xc0000487e0 pc=0x470381
created by runtime.defaultGOMAXPROCSUpdateEnable in goroutine 1
/home/ms/src/go/src/runtime/proc.go:6637 +0x37
goroutine 6 gp=0xc0000036c0 m=nil [runnable, synctest bubble 1, durably blocked]:
runtime.chansend(0xc000074070?, 0xc000077fb0?, 0x1?, 0x4741cd?)
/home/ms/src/go/src/runtime/chan.go:176 +0x5aa fp=0xc000077f18 sp=0xc000077f10 pc=0x40b14a
runtime.chansend1(0x4794a0?, 0xc00057af40?)
/home/ms/src/go/src/runtime/chan.go:161 +0x17 fp=0xc000077f48 sp=0xc000077f18 pc=0x40ab97
main.main.func1()
/home/ms/src/go/src/runtime/testdata/testsynctest/main.go:66 +0x24d fp=0xc000077fe0 sp=0xc000077f48 pc=0x4741cd
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000077fe8 sp=0xc000077fe0 pc=0x470381
created by main.main in goroutine 1
/home/ms/src/go/src/runtime/testdata/testsynctest/main.go:36 +0x87
goroutine 7 gp=0xc000003880 m=nil [finalizer wait]:
runtime.gopark(0x0?, 0x494c38?, 0xe0?, 0x8?, 0x1000000010?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000048e20 sp=0xc000048e00 pc=0x46a70e
runtime.runFinalizers()
/home/ms/src/go/src/runtime/mfinal.go:210 +0x107 fp=0xc000048fe0 sp=0xc000048e20 pc=0x41ae27
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000048fe8 sp=0xc000048fe0 pc=0x470381
created by runtime.createfing in goroutine 6
/home/ms/src/go/src/runtime/mfinal.go:172 +0x3d
goroutine 8 gp=0xc000003a40 m=nil [cleanup wait, 7 minutes]:
runtime.gopark(0x0?, 0x0?, 0x0?, 0x0?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000049768 sp=0xc000049748 pc=0x46a70e
runtime.goparkunlock(...)
/home/ms/src/go/src/runtime/proc.go:466
runtime.(*cleanupQueue).dequeue(0x516a00)
/home/ms/src/go/src/runtime/mcleanup.go:439 +0xc5 fp=0xc0000497a0 sp=0xc000049768 pc=0x417b85
runtime.runCleanups()
/home/ms/src/go/src/runtime/mcleanup.go:635 +0x45 fp=0xc0000497e0 sp=0xc0000497a0 pc=0x4181e5
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000497e8 sp=0xc0000497e0 pc=0x470381
created by runtime.(*cleanupQueue).createGs in goroutine 6
/home/ms/src/go/src/runtime/mcleanup.go:589 +0xa5
goroutine 9 gp=0xc000003c00 m=nil [chan receive (synctest), synctest bubble 1, durably blocked]:
runtime.gopark(0xc000181620?, 0xc000070ba0?, 0xd0?, 0x56?, 0xc000045750?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc0000456f8 sp=0xc0000456d8 pc=0x46a70e
runtime.chanrecv(0xc000074070, 0xc0000457c0, 0x1)
/home/ms/src/go/src/runtime/chan.go:667 +0x44e fp=0xc000045770 sp=0xc0000456f8 pc=0x40beee
runtime.chanrecv2(0x47b860?, 0x5112e0?)
/home/ms/src/go/src/runtime/chan.go:514 +0x12 fp=0xc000045798 sp=0xc000045770 pc=0x40ba92
main.main.func1.3()
/home/ms/src/go/src/runtime/testdata/testsynctest/main.go:54 +0x7b fp=0xc0000457e0 sp=0xc000045798 pc=0x4742bb
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000457e8 sp=0xc0000457e0 pc=0x470381
created by main.main.func1 in goroutine 6
/home/ms/src/go/src/runtime/testdata/testsynctest/main.go:53 +0x196
goroutine 17 gp=0xc000230380 m=nil [GC worker (idle)]:
runtime.gopark(0x8a0c7b92d287?, 0x3?, 0x85?, 0xf2?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000043738 sp=0xc000043718 pc=0x46a70e
runtime.gcBgMarkWorker(0xc000352000)
/home/ms/src/go/src/runtime/mgc.go:1463 +0xeb fp=0xc0000437c8 sp=0xc000043738 pc=0x41e36b
runtime.gcBgMarkStartWorkers.gowrap1()
/home/ms/src/go/src/runtime/mgc.go:1373 +0x25 fp=0xc0000437e0 sp=0xc0000437c8 pc=0x41e245
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0000437e8 sp=0xc0000437e0 pc=0x470381
created by runtime.gcBgMarkStartWorkers in goroutine 6
/home/ms/src/go/src/runtime/mgc.go:1373 +0x105
goroutine 18 gp=0xc000230540 m=nil [GC worker (idle)]:
runtime.gopark(0x8a0c7c702f7d?, 0x3?, 0xa8?, 0xa9?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000078f38 sp=0xc000078f18 pc=0x46a70e
runtime.gcBgMarkWorker(0xc000352000)
/home/ms/src/go/src/runtime/mgc.go:1463 +0xeb fp=0xc000078fc8 sp=0xc000078f38 pc=0x41e36b
runtime.gcBgMarkStartWorkers.gowrap1()
/home/ms/src/go/src/runtime/mgc.go:1373 +0x25 fp=0xc000078fe0 sp=0xc000078fc8 pc=0x41e245
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000078fe8 sp=0xc000078fe0 pc=0x470381
created by runtime.gcBgMarkStartWorkers in goroutine 6
/home/ms/src/go/src/runtime/mgc.go:1373 +0x105
goroutine 19 gp=0xc000230700 m=nil [GC worker (idle)]:
runtime.gopark(0x8a0c7baa2511?, 0xc000356400?, 0x1c?, 0xa?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000849738 sp=0xc000849718 pc=0x46a70e
runtime.gcBgMarkWorker(0xc000352000)
/home/ms/src/go/src/runtime/mgc.go:1463 +0xeb fp=0xc0008497c8 sp=0xc000849738 pc=0x41e36b
runtime.gcBgMarkStartWorkers.gowrap1()
/home/ms/src/go/src/runtime/mgc.go:1373 +0x25 fp=0xc0008497e0 sp=0xc0008497c8 pc=0x41e245
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0008497e8 sp=0xc0008497e0 pc=0x470381
created by runtime.gcBgMarkStartWorkers in goroutine 6
/home/ms/src/go/src/runtime/mgc.go:1373 +0x105
goroutine 20 gp=0xc0002308c0 m=nil [GC worker (idle)]:
runtime.gopark(0x8a0bcdbec1ab?, 0x1?, 0x97?, 0xa3?, 0x0?)
/home/ms/src/go/src/runtime/proc.go:460 +0xce fp=0xc000849f38 sp=0xc000849f18 pc=0x46a70e
runtime.gcBgMarkWorker(0xc000352000)
/home/ms/src/go/src/runtime/mgc.go:1463 +0xeb fp=0xc000849fc8 sp=0xc000849f38 pc=0x41e36b
runtime.gcBgMarkStartWorkers.gowrap1()
/home/ms/src/go/src/runtime/mgc.go:1373 +0x25 fp=0xc000849fe0 sp=0xc000849fc8 pc=0x41e245
runtime.goexit({})
/home/ms/src/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000849fe8 sp=0xc000849fe0 pc=0x470381
created by runtime.gcBgMarkStartWorkers in goroutine 6
/home/ms/src/go/src/runtime/mgc.go:1373 +0x105
rax 0xca
rbx 0x0
rcx 0x472143
rdx 0x0
rdi 0x517938
rsi 0x80
rbp 0x7ffcb8ebf5c0
rsp 0x7ffcb8ebf578
r8 0x0
r9 0x0
r10 0x0
r11 0x286
r12 0x1
r13 0x1
r14 0x516b00
r15 0x1
rip 0x472141
rflags 0x286
cs 0x33
fs 0x0
gs 0x0
wanted:
success
FAIL
FAIL runtime 498.009s
lscpu output
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 39 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Vendor ID: GenuineIntel
Model name: Intel(R) Core(TM) i5-8250U CPU @ 1.60GHz
CPU family: 6
Model: 142
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Stepping: 10
CPU(s) scaling MHz: 47%
CPU max MHz: 3400.0000
CPU min MHz: 400.0000
BogoMIPS: 3600.00
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb pti ssbd ibrs ibpb stibp fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities
L1d cache: 128 KiB (4 instances)
L1i cache: 128 KiB (4 instances)
L2 cache: 1 MiB (4 instances)
L3 cache: 6 MiB (1 instance)
NUMA node(s): 1
NUMA node0 CPU(s): 0-3
Vulnerability Gather data sampling: Mitigation; Microcode
Vulnerability Ghostwrite: Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit: KVM: Mitigation: VMX unsupported
Vulnerability L1tf: Mitigation; PTE Inversion
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT disabled
Vulnerability Meltdown: Mitigation; PTI
Vulnerability Mmio stale data: Mitigation; Clear CPU buffers; SMT disabled
Vulnerability Reg file data sampling: Not affected
Vulnerability Retbleed: Mitigation; IBRS
Vulnerability Spec rstack overflow: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; IBRS; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected
Vulnerability Srbds: Mitigation; Microcode
Vulnerability Tsx async abort: Not affected
Reverting commit fce9d4515defec0473ca3a685408ef5304d23aa9 pass the build.