Some notes:
#9 0x00007f5a4c6b096b in pa_fdsem_after_poll (f=0x25d3a90) at
pulsecore/fdsem.c:315
__func__ = "pa_fdsem_after_poll"
__PRETTY_FUNCTION__ = "pa_fdsem_after_poll"
#10 0x00007f5a4c6a08fc in pa_asyncq_write_after_poll (l=0x25d3250) at
pulsecore/asyncq.c:319
__func__ = "pa_asyncq_write_after_poll"
__PRETTY_FUNCTION__ = "pa_asyncq_write_after_poll"
#2 0x00007f5a4c6b0970 in pa_fdsem_after_poll (f=0x25d3a90) at
pulsecore/fdsem.c:315
__func__ = "pa_fdsem_after_poll"
__PRETTY_FUNCTION__ = "pa_fdsem_after_poll"
#3 0x00007f5a4c6a08fc in pa_asyncq_write_after_poll (l=0x25d3250) at
pulsecore/asyncq.c:319
__func__ = "pa_asyncq_write_after_poll"
__PRETTY_FUNCTION__ = "pa_asyncq_write_after_poll"
I assume, both threads should not call this simultaneously on the same
object, which is module-null-sink's thread_mq->outq. The outq writes in
the thread and reads from the main thread. Therefore it seems like the
main thread should not call write_after_poll.
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https://bugs.launchpad.net/bugs/853560
Title:
pulseaudio crashed with SIGABRT in raise() after manual reloading alsa
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