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Bug 647131 - recent multiqueue changes break DVD playback (again)
recent multiqueue changes break DVD playback (again)
Status: RESOLVED INVALID
Product: GStreamer
Classification: Platform
Component: gstreamer (core)
git master
Other Linux
: Normal blocker
: 0.10.33
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2011-04-08 04:59 UTC by Jan Schmidt
Modified: 2011-04-08 07:58 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Jan Schmidt 2011-04-08 04:59:23 UTC 
Something in the recent multiqueue commits break DVD playback. The symptom is: attempting to skip ahead or navigate in menus leads to a deadlock waiting for a pad task to pause.

+ Trace 226639

  • #0 __lll_lock_wait
    from /lib/libpthread.so.0
  • #1 _L_lock_953
    from /lib/libpthread.so.0
  • #2 pthread_mutex_lock
    from /lib/libpthread.so.0
  • #3 g_static_rec_mutex_lock
    from /lib/libglib-2.0.so.0
  • #4 gst_pad_pause_task
    at gstpad.c line 5628
  • #5 gst_single_queue_flush
    at gstmultiqueue.c line 729
  • #6 gst_multi_queue_sink_event
    at gstmultiqueue.c line 1312
  • #7 gst_pad_send_event
    at gstpad.c line 5396
  • #8 gst_pad_push_event
    at gstpad.c line 5248
  • #9 gst_flups_demux_send_event
    at gstmpegdemux.c line 572 

I will try and generate a test case for integration in the unit tests.
Comment 1 Sebastian Dröge (slomo) 2011-04-08 07:58:41 UTC 
As discussed on IRC this was caused by the patches in bug #643847.