Re: [Qemu-devel] test-aio-multithread assertion

[Stefan Hajnoczi]

On Wed, Sep 04, 2019 at 12:50:21PM +0100, Peter Maydell wrote:
> Hi; I've been seeing intermittently on the BSDs this assertion
> running test-aio-multithread as part of 'make check':
> 
> MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}
> tests/test-aio-multithread -m=quick -k --tap < /dev/null |
> ./scripts/tap-drive
> r.pl --test-name="test-aio-multithread"
> PASS 1 test-aio-multithread /aio/multi/lifecycle
> PASS 2 test-aio-multithread /aio/multi/schedule
> ERROR - too few tests run (expected 5, got 2)
> Assertion failed: (!qemu_lockcnt_count(&ctx->list_lock)), function
> aio_ctx_finalize, file /home/qemu/qemu-test.kaRA0o/src/util/async.c,
> line 283.
> Abort trap (core dumped)
> gmake: *** [/home/qemu/qemu-test.kaRA0o/src/tests/Makefile.include:905:
> check-unit] Error 1
> 
> Anybody got any ideas?
> 
> (this is with the tests/vm setups; I've seen this on FreeBSD
> and NetBSD.)

Last week I triaged a ppc64le test-aio-multithread test_multi_fair_mutex
failure (race condition but reproduces after a few minutes) and sent it
on to Paolo.

I don't have time to investigate additional failures right now but
please keep reminding us if you encounter failures.

Stefan

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