Force stopping a gstreamer pipeline

[Thomas Scheuermann]

Am 06.06.2016 um 17:49 schrieb Sebastian Dröge:
>   [...]
> That backtrace is still before the state is set to NULL. Can you get
> one a bit later? :)
>
Sorry. Here it comes

(gdb) thread apply all bt

Thread 3 (Thread 0x7f6d87201700 (LWP 4362)):
#0  0x00007f6d8527b08f in pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f6d83282d3c in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#2  0x00007f6d83279ea8 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#3  0x00007f6d83281d20 in  () at /usr/lib/x86_64-linux-gnu/libjack.so.0
#4  0x00007f6d852770a4 in start_thread (arg=0x7f6d87201700) at
pthread_create.c:309
#5  0x00007f6d8587587d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f6d82aec700 (LWP 4365)):
#0  0x00007f6d85871809 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f6d8611b0bf in g_cond_wait (cond=0xc5d0b0, mutex=0xc5d068) at
/home/barco/glib2.0-2.46.0/./glib/gthread-posix.c:1397
#2  0x00007f6d8668f15d in gst_task_func (task=0xc5d050 [GstTask]) at
gsttask.c:317
#3  0x00007f6d860fdda8 in g_thread_pool_thread_proxy (data=<optimized
out>) at /home/barco/glib2.0-2.46.0/./glib/gthreadpool.c:307
#4  0x00007f6d860fd415 in g_thread_proxy (data=0xc4d400) at
/home/barco/glib2.0-2.46.0/./glib/gthread.c:778
#5  0x00007f6d852770a4 in start_thread (arg=0x7f6d82aec700) at
pthread_create.c:309
#6  0x00007f6d8587587d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f6d87203700 (LWP 4361)):
#0  0x00007f6d85871809 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f6d8611b0bf in g_cond_wait (cond=0xc3ea90, mutex=0xc3ea88) at
/home/barco/glib2.0-2.46.0/./glib/gthread-posix.c:1397
#2  0x00007f6d834a8640 in gst_jack_audio_client_set_active
(client=0xc4db00, active=0) at gstjackaudioclient.c:604
#3  0x00007f6d834a5ea4 in gst_jack_ring_buffer_release (buf=0xc4e210
[GstJackAudioSinkRingBuffer]) at gstjackaudiosink.c:544
#4  0x00007f6d83d759b8 in gst_audio_ring_buffer_release (buf=0xc4e210
[GstJackAudioSinkRingBuffer]) at gstaudioringbuffer.c:693
#5  0x00007f6d83d93108 in gst_audio_base_sink_change_state
(element=0xc3f680 [GstJackAudioSink],
transition=GST_STATE_CHANGE_PAUSED_TO_READY) at gstaudiobasesink.c:2507
#6  0x00007f6d8664737e in gst_element_change_state (element=0xc3f680
[GstJackAudioSink], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at
gstelement.c:2648
#7  0x00007f6d86647afa in gst_element_set_state_func (element=0xc3f680
[GstJackAudioSink], state=GST_STATE_READY) at gstelement.c:2602
#8  0x00007f6d8662645d in gst_bin_change_state_func (next=<optimized
out>, current=<optimized out>, start_time=<optimized out>,
base_time=<optimized out>, element=<optimized out>, bin=<optimized out>)
at gstbin.c:2414
#9  0x00007f6d8662645d in gst_bin_change_state_func (element=0x0,
transition=128) at gstbin.c:2756
#10 0x00007f6d8664737e in gst_element_change_state (element=0xc340e0
[GstPipeline], transition=GST_STATE_CHANGE_PAUSED_TO_READY) at
gstelement.c:2648
#11 0x00007f6d86647637 in gst_element_change_state (element=0xc340e0
[GstPipeline], transition=GST_STATE_CHANGE_PLAYING_TO_PAUSED) at
gstelement.c:2687
#12 0x00007f6d86647afa in gst_element_set_state_func (element=0xc340e0
[GstPipeline], state=GST_STATE_NULL) at gstelement.c:2602
#13 0x0000000000400dde in main (argc=1, argv=0x7ffcecaf0068) at
deadlock.c:46


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