Re: test-aio failure with liburing

[Stefan Hajnoczi]

On Wed, Mar 25, 2020 at 01:12:49PM -0400, Cole Robinson wrote:
> Using qemu.git master with liburing-devel installed. 100% reproducible
> test failure for me
> 
> $ uname -r
> 5.6.0-0.rc5.git0.2.fc32.x86_64
> $ rpm -q liburing
> liburing-0.5-1.fc32.x86_64
> 
> $ ./tests/test-aio
> # random seed: R02S70cd9b447cc815ed3194d31e97371542
> 1..28
> # Start of aio tests
> ok 1 /aio/acquire
> ok 2 /aio/external-client
> # Start of bh tests
> ok 3 /aio/bh/schedule
> ok 4 /aio/bh/schedule10
> ok 5 /aio/bh/cancel
> ok 6 /aio/bh/delete
> ok 7 /aio/bh/flush
> # Start of callback-delete tests
> ok 8 /aio/bh/callback-delete/one
> ok 9 /aio/bh/callback-delete/many
> # End of callback-delete tests
> # End of bh tests
> # Start of event tests
> ok 10 /aio/event/add-remove
> ok 11 /aio/event/wait
> **
> ERROR:tests/test-aio.c:374:test_flush_event_notifier: assertion failed:
> (aio_poll(ctx, false))
> Bail out! ERROR:tests/test-aio.c:374:test_flush_event_notifier:
> assertion failed: (aio_poll(ctx, false))
> Aborted (core dumped)
> 
> 
> Configuring with --disable-linux-io-uring makes the failure go away
> 
> I saw this patch about another uring test-aio failure, but that patch is
> already in git master, and the failure is different:
> https://lists.gnu.org/archive/html/qemu-devel/2020-03/msg06299.html

Thanks for letting me know.  I will look into this next week when I'm
back from PTO.

Stefan

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