[Bug 692953] alsa modules are silent or noisy after several hours of use (Gst 0.10.30 and Gst 1.0.4)

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=692953
  GStreamer | gst-plugins-base | 1.0.4

--- Comment #4 from Thomas DEBESSE <thomas.debesse at rcf.fr> 2013-08-20 17:44:00 UTC ---
I run my pipelines with GST_DEBUG=3 and there is no warning at all when the
pipeline becomes silently. The only way to know that the pipeline is broken is
to play a sound physically and attempt to hear it physically.

I can't use GST_DEBUG > 3 because load due to verbosity prevents the process to
run properly, I can never hear a sound with a higher level of GST_DEBUG, so I
cannot hear when the sound goes off, because it has never started. :)

When the pipeline becomes silent, I do 
pipeline.set_state(Gst.State.NULL)
pipeline.set_state(Gst.State.PLAYING)
Then the sound comes back. The pipeline is not really broken. I don't need to
destroy it, only pause and re-playback it. It's running but does not do what to
do.

Unfortunately the timing of the bug is quite unpredictable, it is often more
than 12 hours, so I usually can not do more than one test per day…

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