Re: [PATCH RESEND v6 00/36] Initial support for multi-process qemu

[Stefan Hajnoczi]

On Wed, Apr 22, 2020 at 09:13:35PM -0700, address@hidden wrote:
> There is an error in travis-ci build test which does not get reproduced.
> 
>  TEST    iotest-qcow2: 041 [fail]
> QEMU          -- 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/../../x86_64-softmmu/qemu-system-x86_64"
>  -nodefaults -display none -accel qtest
> QEMU_IMG      -- 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/../../qemu-img"
>  
> QEMU_IO       -- 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/../../qemu-io"
>   --cache writeback --aio threads -f qcow2
> QEMU_NBD      -- 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/../../qemu-nbd"
>  
> IMGFMT        -- qcow2 (compat=1.1)
> IMGPROTO      -- file
> PLATFORM      -- Linux/x86_64 travis-job-fc4e2553-b470-4a8b-812e-a4fcf8ba094f 
> 5.0.0-1031-gcp
> TEST_DIR      -- 
> /home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/scratch
> SOCK_DIR      -- /tmp/tmp.LOmYANt5Od
> SOCKET_SCM_HELPER -- 
> /home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/socket_scm_helper
> --- 
> /home/travis/build/elena-ufimtseva/qemu-multiprocess/tests/qemu-iotests/041.out
>    2020-04-22 00:17:23.701844698 +0000
> +++ 
> /home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/041.out.bad
>  2020-04-22 00:24:39.234343858 +0000
> @@ -1,5 +1,29 @@
> -..............................................................................................
> +........................FF....................................................................
> +======================================================================
> +FAIL: test_with_other_parent (__main__.TestRepairQuorum)
> +----------------------------------------------------------------------
> +Traceback (most recent call last):
> +  File "041", line 1049, in test_with_other_parent
> +    self.assert_qmp(result, 'return', {})
> +  File 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/tests/qemu-iotests/iotests.py",
>  line 821, in assert_qmp
> +    result = self.dictpath(d, path)
> +  File 
> "/home/travis/build/elena-ufimtseva/qemu-multiprocess/tests/qemu-iotests/iotests.py",
>  line 797, in dictpath
> +    self.fail('failed path traversal for "%s" in "%s"' % (path, str(d)))
> +AssertionError: failed path traversal for "return" in "{'error': {'class': 
> 'GenericError', 'desc': "UNIX socket path 
> '/home/travis/build/elena-ufimtseva/qemu-multiprocess/out-of-tree/build/dir/tests/qemu-iotests/scratch/nbd.sock'
>  is too long"}}"

UNIX Domain Socket paths have to be 108 characters or less.  The path in
the failed test case is 110 characters long.  You could rename your
branch to "mpqemu" to solve this failure.

Stefan

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