[Bug 692953] alsa modules are silent or noisy after several hours of use

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=692953
  GStreamer | gst-plugins-base | 1.0.9

--- Comment #99 from Thomas DEBESSE <thomas.debesse at rcf.fr> 2013-09-03 14:01:51 UTC ---
For information, an strace on the elements of the failed pipeline shows nothing
than things like:

ioctl(10, 0x400c4150, 0xb5bff1f4)       = 0
poll([{fd=10, events=POLLOUT|POLLERR|POLLNVAL}], 1, 40) = 1 ([{fd=10,
revents=POLLOUT}])
ioctl(10, 0x400c4150, 0xb5bff1f4)       = 0
poll([{fd=10, events=POLLOUT|POLLERR|POLLNVAL}], 1, 40) = 1 ([{fd=10,
revents=POLLOUT}])

endlessly.

I can't see xruns since xrun information appears with GST_DEBUG=4 and with this
log level it's difficult to run test during lmany hours.
But we see in Comment #45 that when I have xruns, strace shows strange things
like "-1 EAGAIN (Resource temporarily unavailable)" and there is nothing like
that here.

There is a way to set loglevel for xruns but not for other things ?

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