Re: iotests 041 intermittent failure (netbsd)

[Philippe Mathieu-Daudé]

On 4/9/21 11:43 AM, Peter Maydell wrote:
> Just hit this (presumably intermittent) 041 failure running
> the build-and-test on the tests/vm netbsd setup. Does it look
> familiar to anybody?

This one is known as the mysterious failure:
https://www.mail-archive.com/qemu-block@nongnu.org/msg73321.html

> 
> 
>   TEST   iotest-qcow2: 041 [fail]
> QEMU          --
> "/home/qemu/qemu-test.bx6kgg/build/tests/qemu-iotests/../../qemu-system-aarch64"
> -nodefaults -display none -accel qtest -machine virt
> QEMU_IMG      --
> "/home/qemu/qemu-test.bx6kgg/build/tests/qemu-iotests/../../qemu-img"
> QEMU_IO       --
> "/home/qemu/qemu-test.bx6kgg/build/tests/qemu-iotests/../../qemu-io"
> --cache writeback --aio threads -f qcow2
> QEMU_NBD      --
> "/home/qemu/qemu-test.bx6kgg/build/tests/qemu-iotests/../../qemu-nbd"
> IMGFMT        -- qcow2
> IMGPROTO      -- file
> PLATFORM      -- NetBSD/amd64 localhost 9.1
> TEST_DIR      -- /home/qemu/qemu-test.bx6kgg/build/tests/qemu-iotests/scratch
> SOCK_DIR      -- /tmp/tmp5wf5bgkm
> SOCKET_SCM_HELPER --
> --- /home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/041.out
> +++ 041.out.bad
> @@ -1,5 +1,29 @@
> -...........................................................................................................
> +..............................................................................E............................
> +======================================================================
> +ERROR: test_pause (__main__.TestSingleDrive)
> +----------------------------------------------------------------------
> +Traceback (most recent call last):
> +  File "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/041", line
> 111, in test_pause
> +    self.pause_job('drive0')
> +  File "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/iotests.py",
> line 1064, in pause_job
> +    return self.pause_wait(job_id)
> +  File "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/iotests.py",
> line 1050, in pause_wait
> +    result = self.vm.qmp('query-block-jobs')
> +  File 
> "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/../../python/qemu/machine.py",
> line 560, in qmp
> fcntl(): Invalid argument
> +    return self._qmp.cmd(cmd, args=qmp_args)
> +  File 
> "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/../../python/qemu/qmp.py",
> line 278, in cmd
> +    return self.cmd_obj(qmp_cmd)
> +  File 
> "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/../../python/qemu/qmp.py",
> line 257, in cmd_obj
> +    resp = self.__json_read()
> +  File 
> "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/../../python/qemu/qmp.py",
> line 140, in __json_read
> +    data = self.__sockfile.readline()
> +  File "/usr/pkg/lib/python3.7/socket.py", line 589, in readinto
> +    return self._sock.recv_into(b)
> +  File "/home/qemu/qemu-test.bx6kgg/src/tests/qemu-iotests/iotests.py",
> line 482, in timeout
> +    raise Exception(self.errmsg)
> +Exception: Timeout waiting for job to pause
> +
>  ----------------------------------------------------------------------
>  Ran 107 tests
> 
> -OK
> +FAILED (errors=1)
> 
> 
> thanks
> -- PMM
>