Re: Failing QEMU iotests

[John Snow <jsnow@redhat.com>]

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On Wed, Nov 17, 2021 at 2:45 PM Thomas Huth <thuth@redhat.com> wrote:

> On 17/11/2021 19.13, John Snow wrote:
> >
> >
> > On Wed, Nov 17, 2021 at 5:07 AM Thomas Huth <thuth@redhat.com
> > <mailto:thuth@redhat.com>> wrote:
> >
> >
> >        Hi!
> >
> >     I think it has been working fine for me a couple of weeks ago,
> >     but when I now run:
> >
> >        make check SPEED=slow
> >
> >     I'm getting a couple of failing iotests... not sure whether
> >     these are known issues already, so I thought I'd summarize them
> >     here:
> >
> >     *** First one is 045 in raw mode: ***
> >
> >        TEST   iotest-raw: 045 [fail]
> >     QEMU          --
> >
>  "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-system-x86_64"
> >     -nodefaults -display none -accel qtest
> >     QEMU_IMG      --
> >     "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-img"
> >     QEMU_IO       --
> >     "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-io" --cache
> >     writeback --aio threads -f raw
> >     QEMU_NBD      --
> >     "/home/thuth/tmp/qemu-build/tests/qemu-iotests/../../qemu-nbd"
> >     IMGFMT        -- raw
> >     IMGPROTO      -- file
> >     PLATFORM      -- Linux/x86_64 thuth 4.18.0-305.19.1.el8_4.x86_64
> >     TEST_DIR      --
> /home/thuth/tmp/qemu-build/tests/qemu-iotests/scratch
> >     SOCK_DIR      -- /tmp/tmphlexdrlt
> >     GDB_OPTIONS   --
> >     VALGRIND_QEMU --
> >     PRINT_QEMU_OUTPUT --
> >
> >     --- /home/thuth/devel/qemu/tests/qemu-iotests/045.out
> >     +++ 045.out.bad
> >     @@ -1,5 +1,77 @@
> >     -...........
> >     +......EE.EE <http://EE.EE>
> >
>  +======================================================================
> >     +ERROR: test_add_fd (__main__.TestSCMFd)
> >
>  +----------------------------------------------------------------------
> >     +Traceback (most recent call last):
> >     +  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 148, in
> >     test_add_fd
> >     +    self._send_fd_by_SCM()
> >     +  File "/home/thuth/devel/qemu/tests/qemu-iotests/045", line 144, in
> >     _send_fd_by_SCM
> >     +    ret = self.vm.send_fd_scm(file_path=image0)
> >     +  File "/home/thuth/devel/qemu/python/qemu/machine/machine.py", line
> >     229, in send_fd_scm
> >     +    self._qmp.send_fd_scm(fd)
> >     +  File "/home/thuth/devel/qemu/python/qemu/aqmp/legacy.py", line
> 138,
> >     in send_fd_scm
> >     +    self._aqmp.send_fd_scm(fd)
> >     +  File "/home/thuth/devel/qemu/python/qemu/aqmp/protocol.py", line
> 149,
> >     in _wrapper
> >     +    return func(proto, *args, **kwargs)
> >     +  File "/home/thuth/devel/qemu/python/qemu/aqmp/qmp_client.py", line
> >     644, in send_fd_scm
> >     +    sock = sock._sock  # pylint: disable=protected-access
> >     +AttributeError: 'socket' object has no attribute '_sock'
> >
> >
> > Well, that's not good.
> >
> > Can you tell me some details about what system produced this failure?
> > The python version used to run the test would be good, as well as distro
> > release, kernel version, etc.
> >
> > If you can reproduce it, I might want to give you a test branch of the
> > python code to produce some extra debugging information to help me
> > understand what's gone wrong here. Get in touch on IRC when you have
> some
> > spare time if you'd like to interactively debug it.
>
> As you likely saw in Hanna's mail a little bit later, the problem was the
> old version of pylint. I did still have version 2.2 installed - after
> upgrading, the problem went away.
>
>
upgrading pylint made *this* problem in *045* go away and not just the
failure in *297*, are you positive?

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