[Bug 668853] New: [0.11] segfault after updating python-gobject to git master

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Fri Jan 27 07:58:57 PST 2012


https://bugzilla.gnome.org/show_bug.cgi?id=668853
  GStreamer | gstreamer (core) | 0.11.x

           Summary: [0.11] segfault after updating python-gobject to git
                    master
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: Uraeus at linuxrising.org
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Program received signal SIGSEGV, Segmentation fault.
pyglib_error_check (error=0xbfffe074) at pyglib.c:318
318        Py_DECREF(exc_instance);
(gdb) thread apply all bt


Thread 12 (Thread 0xae4ffb40 (LWP 16772)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38d85c in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x4147de77 in g_cond_wait (cond=0xb1f8a474, mutex=0xb1f8a46c) at
gthread-posix.c:746
#3  0x004c057c in gst_base_sink_wait_preroll (sink=0xb1f8a3a8 [GstFakeSink]) at
gstbasesink.c:2080
#4  0x004c07b0 in gst_base_sink_do_preroll (sink=0xb1f8a3a8 [GstFakeSink],
obj=0xb0330378)
    at gstbasesink.c:2167
#5  0x004c253c in gst_base_sink_do_sync (basesink=0xb1f8a3a8 [GstFakeSink],
obj=0xb0330378, late=0xae4ff018, 
    step_end=0xae4ff01c) at gstbasesink.c:2362
#6  0x004c5209 in gst_base_sink_chain_unlocked (basesink=0xb1f8a3a8
[GstFakeSink], pad=<optimized out>, obj=
    0xb0330378) at gstbasesink.c:3145
#7  0x004c78c6 in gst_base_sink_chain_main (basesink=0xb1f8a3a8 [GstFakeSink],
pad=<optimized out>, obj=
    0xb0330378) at gstbasesink.c:3271
#8  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0330378, type=5012048,
pad=0xb0321ea8 [GstPad])
    at gstpad.c:3327
#9  gst_pad_push_data (pad=0xb0321d70 [GstPad], type=5012048, data=0xb0330378)
at gstpad.c:3530
#10 0x00562f30 in gst_queue_push_one (queue=0x85de9e0 [GstQueue]) at
gstqueue.c:1063
#11 gst_queue_loop (pad=0xb0321d70 [GstPad]) at gstqueue.c:1170
#12 0x00339938 in gst_task_func (task=0xb03222a0 [GstTask]) at gsttask.c:314
#13 0x0033aa69 in default_func (tdata=0xb1f86980, pool=0x82cd2f0 [GstTaskPool])
at gsttaskpool.c:70
#14 0x414621ef in g_thread_pool_thread_proxy (data=0x82d9600) at
gthreadpool.c:317
#15 0x41461814 in g_thread_proxy (data=0xb1f87060) at gthread.c:801
#16 0x4e389cd3 in start_thread (arg=0xae4ffb40) at pthread_create.c:309
#17 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 11 (Thread 0xaeeffb40 (LWP 16771)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38d85c in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x4147de77 in g_cond_wait (cond=0xb1f8a0f4, mutex=0xb1f8a0ec) at
gthread-posix.c:746
#3  0x004c057c in gst_base_sink_wait_preroll (sink=0xb1f8a028 [GstFakeSink]) at
gstbasesink.c:2080
#4  0x004c07b0 in gst_base_sink_do_preroll (sink=0xb1f8a028 [GstFakeSink],
obj=0xb0309998)
    at gstbasesink.c:2167
#5  0x004c253c in gst_base_sink_do_sync (basesink=0xb1f8a028 [GstFakeSink],
obj=0xb0309998, late=0xaeeff018, 
    step_end=0xaeeff01c) at gstbasesink.c:2362
#6  0x004c5209 in gst_base_sink_chain_unlocked (basesink=0xb1f8a028
[GstFakeSink], pad=<optimized out>, obj=
    0xb0309998) at gstbasesink.c:3145
#7  0x004c78c6 in gst_base_sink_chain_main (basesink=0xb1f8a028 [GstFakeSink],
pad=<optimized out>, obj=
    0xb0309998) at gstbasesink.c:3271
#8  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0309998, type=5012048,
pad=0xb0321b00 [GstPad])
    at gstpad.c:3327
#9  gst_pad_push_data (pad=0xb03219c8 [GstPad], type=5012048, data=0xb0309998)
at gstpad.c:3530
#10 0x00562f30 in gst_queue_push_one (queue=0x85de7e8 [GstQueue]) at
gstqueue.c:1063
#11 gst_queue_loop (pad=0xb03219c8 [GstPad]) at gstqueue.c:1170
#12 0x00339938 in gst_task_func (task=0xb03221f8 [GstTask]) at gsttask.c:314
#13 0x0033aa69 in default_func (tdata=0xb1f86850, pool=0x82cd2f0 [GstTaskPool])
at gsttaskpool.c:70
#14 0x414621ef in g_thread_pool_thread_proxy (data=0x82d9600) at
gthreadpool.c:317
#15 0x41461814 in g_thread_proxy (data=0xb1f87000) at gthread.c:801
#16 0x4e389cd3 in start_thread (arg=0xaeeffb40) at pthread_create.c:309
#17 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 10 (Thread 0xaf8feb40 (LWP 16770)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38d85c in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x4147de77 in g_cond_wait (cond=0x85debb4, mutex=0x85deb98) at
gthread-posix.c:746
#3  0x005619c2 in gst_queue_chain (pad=0xb0321c38 [GstPad], parent=0x85de9e0
[GstQueue], buffer=0xb0330238)
    at gstqueue.c:945
#4  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0330238, type=5641184,
pad=0xb0321c38 [GstPad])
    at gstpad.c:3327
#5  gst_pad_push_data (pad=0x85aabd0 [GstGhostPad], type=5641184,
data=0xb0330238) at gstpad.c:3530
#6  0x002f9f0c in gst_proxy_pad_chain_default (pad=0x85abb98 [GstProxyPad],
parent=0x85aabd0 [GstGhostPad], 
    buffer=0xb0330238) at gstghostpad.c:289
#7  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0330238, type=3120736,
pad=0x85abb98 [GstProxyPad])
    at gstpad.c:3327
#8  gst_pad_push_data (pad=0x886ea20 [GstDecodePad], type=3120736,
data=0xb0330238) at gstpad.c:3530
#9  0x002f9f0c in gst_proxy_pad_chain_default (pad=0x85ab908 [GstProxyPad],
parent=0x886ea20 [GstDecodePad], 
    buffer=0xb0330238) at gstghostpad.c:289
#10 0x00308783 in gst_pad_chain_data_unchecked (data=0xb0330238, type=3120736,
pad=0x85ab908 [GstProxyPad])
    at gstpad.c:3327
#11 gst_pad_push_data (pad=0xb03214e8 [GstPad], type=3120736, data=0xb0330238)
at gstpad.c:3530
#12 0x0042e992 in gst_audio_decoder_push_forward (dec=0xb0327ae0
[GstVorbisDec], buf=0xb0330238)
    at gstaudiodecoder.c:656
#13 0x0042ebb1 in gst_audio_decoder_output (dec=0xb0327ae0 [GstVorbisDec],
buf=<optimized out>)
    at gstaudiodecoder.c:732
#14 0x00434a99 in gst_audio_decoder_finish_frame (dec=0xb0327ae0
[GstVorbisDec], buf=0x8761660, 
    frames=<optimized out>) at gstaudiodecoder.c:924
#15 0x0062d6f3 in vorbis_handle_data_packet (duration=<optimized out>,
timestamp=<optimized out>, packet=
    0xaf8fdeb0, vd=0xb0327ae0 [GstVorbisDec]) at gstvorbisdec.c:593
#16 vorbis_dec_handle_frame (dec=0xb0327ae0 [GstVorbisDec], buffer=0xb0330198)
at gstvorbisdec.c:680
#17 0x0042f9e1 in gst_audio_decoder_handle_frame (buffer=<optimized out>,
klass=0xb0327618, dec=
    0xb0327ae0 [GstVorbisDec]) at gstaudiodecoder.c:969
#18 gst_audio_decoder_push_buffers (dec=0xb0327ae0 [GstVorbisDec], force=0) at
gstaudiodecoder.c:1058
#19 0x0042fecb in gst_audio_decoder_chain_forward (dec=0xb0327ae0
[GstVorbisDec], buffer=0x0)
    at gstaudiodecoder.c:1160
#20 0x00433255 in gst_audio_decoder_chain (pad=0xb03213b0 [GstPad],
parent=0xb0327ae0 [GstVorbisDec], buffer=
    0xb0330198) at gstaudiodecoder.c:1405
#21 0x00308783 in gst_pad_chain_data_unchecked (data=0xb0330198, type=4402720,
pad=0xb03213b0 [GstPad])
    at gstpad.c:3327
#22 gst_pad_push_data (pad=0xb0321278 [GstPad], type=4402720, data=0xb0330198)
at gstpad.c:3530
#23 0x0055de53 in gst_single_queue_push_one (object=0xb0330198, sq=0xb0322da8,
mq=0xb031f0f0 [GstMultiQueue])
    at gstmultiqueue.c:1052
#24 gst_multi_queue_loop (pad=0xb0321278 [GstPad]) at gstmultiqueue.c:1283
#25 0x00339938 in gst_task_func (task=0x8811c98 [GstTask]) at gsttask.c:314
#26 0x0033aa69 in default_func (tdata=0x87b78a8, pool=0x82cd2f0 [GstTaskPool])
at gsttaskpool.c:70
#27 0x414621ef in g_thread_pool_thread_proxy (data=0x82d9600) at
gthreadpool.c:317
#28 0x41461814 in g_thread_proxy (data=0xb0304180) at gthread.c:801
#29 0x4e389cd3 in start_thread (arg=0xaf8feb40) at pthread_create.c:309
#30 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 9 (Thread 0xb2828b40 (LWP 16769)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38d85c in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x4147de77 in g_cond_wait (cond=0x85de9bc, mutex=0x85de9a0) at
gthread-posix.c:746
#3  0x005619c2 in gst_queue_chain (pad=0xb0321890 [GstPad], parent=0x85de7e8
[GstQueue], buffer=0xb0309ad8)
    at gstqueue.c:945
#4  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0309ad8, type=5641184,
pad=0xb0321890 [GstPad])
    at gstpad.c:3327
#5  gst_pad_push_data (pad=0x85aaa80 [GstGhostPad], type=5641184,
data=0xb0309ad8) at gstpad.c:3530
#6  0x002f9f0c in gst_proxy_pad_chain_default (pad=0x85aba50 [GstProxyPad],
parent=0x85aaa80 [GstGhostPad], 
    buffer=0xb0309ad8) at gstghostpad.c:289
#7  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0309ad8, type=3120736,
pad=0x85aba50 [GstProxyPad])
    at gstpad.c:3327
#8  gst_pad_push_data (pad=0x886e750 [GstDecodePad], type=3120736,
data=0xb0309ad8) at gstpad.c:3530
#9  0x002f9f0c in gst_proxy_pad_chain_default (pad=0x85ab678 [GstProxyPad],
parent=0x886e750 [GstDecodePad], 
    buffer=0xb0309ad8) at gstghostpad.c:289
#10 0x00308783 in gst_pad_chain_data_unchecked (data=0xb0309ad8, type=3120736,
pad=0x85ab678 [GstProxyPad])
    at gstpad.c:3327
#11 gst_pad_push_data (pad=0xb0321008 [GstPad], type=3120736, data=0xb0309ad8)
at gstpad.c:3530
#12 0x0060e6b1 in theora_dec_push_forward (buf=0xb0309ad8, dec=0xb0324028
[GstTheoraDec])
    at gsttheoradec.c:1080
#13 theora_handle_data_packet (outdur=33366667, outtime=66733333,
packet=0xb2827fdc, dec=
    0xb0324028 [GstTheoraDec]) at gsttheoradec.c:1305
#14 theora_dec_decode_buffer (dec=0xb0324028 [GstTheoraDec], buf=0xb0333400) at
gsttheoradec.c:1389
#15 0x00610d11 in theora_dec_chain_forward (buffer=0xb0333400,
discont=<optimized out>, dec=
    0xb0324028 [GstTheoraDec]) at gsttheoradec.c:1555
#16 theora_dec_chain (pad=0x85a1ea0 [GstPad], parent=0xb0324028 [GstTheoraDec],
buf=0xb0333400)
    at gsttheoradec.c:1583
#17 0x00308783 in gst_pad_chain_data_unchecked (data=0xb0333400, type=6359264,
pad=0x85a1ea0 [GstPad])
    at gstpad.c:3327
#18 gst_pad_push_data (pad=0x85a1d68 [GstPad], type=6359264, data=0xb0333400)
at gstpad.c:3530
#19 0x0055de53 in gst_single_queue_push_one (object=0xb0333400, sq=0xb0305e10,
mq=0xb031f0f0 [GstMultiQueue])
    at gstmultiqueue.c:1052
#20 gst_multi_queue_loop (pad=0x85a1d68 [GstPad]) at gstmultiqueue.c:1283
#21 0x00339938 in gst_task_func (task=0x8811bf0 [GstTask]) at gsttask.c:314
#22 0x0033aa69 in default_func (tdata=0x883dc50, pool=0x82cd2f0 [GstTaskPool])
at gsttaskpool.c:70
#23 0x414621ef in g_thread_pool_thread_proxy (data=0x82d9600) at
gthreadpool.c:317
#24 0x41461814 in g_thread_proxy (data=0xb0304030) at gthread.c:801
#25 0x4e389cd3 in start_thread (arg=0xb2828b40) at pthread_create.c:309
#26 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
Thread 8 (Thread 0xb1effb40 (LWP 16768)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38d85c in pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S:172
#2  0x4147de77 in g_cond_wait (cond=0xb020a62c, mutex=0xb020a610) at
gthread-posix.c:746
#3  0x005595f8 in gst_data_queue_push (queue=0xb020a5e8 [GstDataQueue],
item=0xb0314640)
    at gstdataqueue.c:437
#4  0x0055ce49 in gst_multi_queue_chain (pad=0x85a1c30 [GstPad],
parent=0xb031f0f0 [GstMultiQueue], buffer=
    0xb0336860) at gstmultiqueue.c:1359
#5  0x00308783 in gst_pad_chain_data_unchecked (data=0xb0336860, type=5623152,
pad=0x85a1c30 [GstPad])
    at gstpad.c:3327
#6  gst_pad_push_data (pad=0xb0307c00 [GstOggPad], type=5623152,
data=0xb0336860) at gstpad.c:3530
#7  0x005c7644 in gst_ogg_demux_chain_peer (pad=0xb0307c00 [GstOggPad],
packet=0xb1efee98, push_headers=0)
    at gstoggdemux.c:637
#8  0x005cce5a in gst_ogg_pad_submit_packet (packet=0xb1efee98, pad=0xb0307c00
[GstOggPad])
    at gstoggdemux.c:1030
#9  gst_ogg_pad_stream_out (pad=0xb0307c00 [GstOggPad], npackets=0) at
gstoggdemux.c:1069
#10 0x005cebc6 in gst_ogg_pad_submit_page (pad=0xb0307c00 [GstOggPad],
page=0xb1eff160) at gstoggdemux.c:1706
#11 0x005d3426 in gst_ogg_demux_handle_page (ogg=0x888e0c0 [GstOggDemux],
page=0xb1eff160)
    at gstoggdemux.c:4032
#12 0x005d3e91 in gst_ogg_demux_chain (pad=0x85a1618 [GstPad], parent=0x888e0c0
[GstOggDemux], buffer=
    0xb0330378) at gstoggdemux.c:4100
#13 0x005d45c9 in gst_ogg_demux_loop_forward (ogg=0x888e0c0 [GstOggDemux]) at
gstoggdemux.c:4225
#14 gst_ogg_demux_loop (pad=0x85a1618 [GstPad]) at gstoggdemux.c:4373
#15 0x00339938 in gst_task_func (task=0x880af38 [GstTask]) at gsttask.c:314
#16 0x0033aa69 in default_func (tdata=0x87b78a8, pool=0x82cd2f0 [GstTaskPool])
at gsttaskpool.c:70
#17 0x414621ef in g_thread_pool_thread_proxy (data=0x82d9600) at
gthreadpool.c:317
#18 0x41461814 in g_thread_proxy (data=0x8766520) at gthread.c:801
#19 0x4e389cd3 in start_thread (arg=0xb1effb40) at pthread_create.c:309
#20 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 6 (Thread 0xb00ffb40 (LWP 16766)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e38dc04 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S:238
#2  0x4147dfb1 in g_cond_wait_until (cond=0x862f190, mutex=0x862f188,
end_time=175525134181)
    at gthread-posix.c:855
#3  0x4140e40c in g_cond_timed_wait (cond=0x862f190, mutex=0x862f188,
abs_time=0xb00ff318)
    at deprecated/gthread-deprecated.c:1585
#4  0x4141118c in g_async_queue_pop_intern_unlocked (queue=0x862f188, wait=1,
end_time=0xb00ff318)
    at gasyncqueue.c:418
#5  0x41462233 in g_thread_pool_wait_for_new_task (pool=0x862e5c0) at
gthreadpool.c:273
#6  g_thread_pool_thread_proxy (data=0x862e5c0) at gthreadpool.c:306
#7  0x41461814 in g_thread_proxy (data=0x862a5b0) at gthread.c:801
#8  0x4e389cd3 in start_thread (arg=0xb00ffb40) at pthread_create.c:309
#9  0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e2bcfb0 in __GI___poll (fds=0xb0101d98, nfds=3, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:87
#2  0x4144bb0c in g_poll (fds=0xb0101d98, nfds=3, timeout=-1) at gpoll.c:132
#3  0x4143dfde in g_main_context_poll (n_fds=3, fds=0xb0101d98,
priority=<optimized out>, 
    timeout=<optimized out>, context=0xb0d074b8) at gmain.c:3415
#4  g_main_context_iterate (dispatch=1, block=1095023328, context=0xb0d074b8,
self=<optimized out>)
    at gmain.c:3116
#5  g_main_context_iterate (context=0xb0d074b8, block=1095023328, dispatch=1,
self=0xb0d032f0)
    at gmain.c:3058
#6  0x4143e4bf in g_main_loop_run (loop=0xb0d08bb8) at gmain.c:3315
#7  0x43cb24ab in gdbus_shared_thread_func (user_data=0xb0d086c0) at
gdbusprivate.c:276
#8  0x41461814 in g_thread_proxy (data=0xb0d032f0) at gthread.c:801
#9  0x4e389cd3 in start_thread (arg=0xb0cffb40) at pthread_create.c:309
#10 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 4 (Thread 0xb16feb40 (LWP 16764)):
#0  0x00110416 in __kernel_vsyscall ()
#1  0x4e2bcfb0 in __GI___poll (fds=0xb0d00c88, nfds=1, timeout=120000)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0x4144bb0c in g_poll (fds=0xb0d00c88, nfds=1, timeout=120000) at
gpoll.c:132
#3  0x4143dfde in g_main_context_poll (n_fds=1, fds=0xb0d00c88,
priority=<optimized out>, 
    timeout=<optimized out>, context=0x85ddba8) at gmain.c:3415
#4  g_main_context_iterate (dispatch=1, block=1095023328, context=0x85ddba8,
self=<optimized out>)
    at gmain.c:3116
#5  g_main_context_iterate (context=0x85ddba8, block=1095023328, dispatch=1,
self=0x862a580) at gmain.c:3058
#6  0x4143e4bf in g_main_loop_run (loop=0xb0d00c78) at gmain.c:3315
#7  0x005a1235 in ?? () from /usr/lib/gio/modules/libdconfsettings.so
#8  0x41461814 in g_thread_proxy (data=0x862a580) at gthread.c:801
#9  0x4e389cd3 in start_thread (arg=0xb16feb40) at pthread_create.c:309
#10 0x4e2c783e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:133

Thread 1 (Thread 0xb7fd76c0 (LWP 16759)):
#0  pyglib_error_check (error=0xbfffe074) at pyglib.c:318
#1  0x00120541 in _pygi_argument_to_object (arg=0xbfffe178,
type_info=0xbfffe14c, transfer=
    GI_TRANSFER_NOTHING) at pygi-argument.c:1797
#2  0x0012515d in pygi_signal_closure_marshal (closure=0x85a64f8,
return_value=0x0, n_param_values=3, 
    param_values=0x884ca08, invocation_hint=0xbfffe2a0, marshal_data=0x0) at
pygi-signal-closure.c:154
#3  0x4124a905 in g_closure_invoke (closure=0x85a64f8, return_value=0x0,
n_param_values=3, param_values=
    0x884ca08, invocation_hint=0xbfffe2a0) at gclosure.c:774
#4  0x4125bf75 in signal_emit_unlocked_R (node=0x85913b8, detail=0,
instance=0x844aa38, emission_return=0x0, 
    instance_and_params=0x884ca08) at gsignal.c:3302
#5  0x41263aba in g_signal_emit_valist (instance=0x844aa38, signal_id=154,
detail=0, var_args=
    0xbfffe454 "\020\016\062\260\003") at gsignal.c:3033
#6  0x41263c44 in g_signal_emit (instance=0x844aa38, signal_id=154, detail=0)
at gsignal.c:3090
#7  0x003f35ab in discoverer_collect (dc=0x844aa38 [GstDiscoverer]) at
gstdiscoverer.c:1071
#8  0x003f3a2c in discoverer_bus_cb (dc=0x844aa38 [GstDiscoverer],
bus=<optimized out>, msg=<optimized out>)
    at gstdiscoverer.c:1317
#9  discoverer_bus_cb (bus=0x844ab38 [GstBus], msg=0x88a30c0, dc=0x844aa38
[GstDiscoverer])
    at gstdiscoverer.c:1308
#10 0x4124ca3a in g_cclosure_marshal_VOID__BOXED (closure=0x8593328,
return_value=0x0, n_param_values=2, 
    param_values=0x88acf18, invocation_hint=0xbfffe630, marshal_data=0x0) at
gmarshal.c:574
#11 0x4124a905 in g_closure_invoke (closure=0x8593328, return_value=0x0,
n_param_values=2, param_values=
    0x88acf18, invocation_hint=0xbfffe630) at gclosure.c:774
#12 0x4125bf75 in signal_emit_unlocked_R (node=0x82477d0, detail=1254,
instance=0x844ab38, emission_return=
    0x0, instance_and_params=0x88acf18) at gsignal.c:3302
#13 0x41263aba in g_signal_emit_valist (instance=0x844ab38, signal_id=146,
detail=1254, var_args=
    0xbfffe7e0 "\364\277\071") at gsignal.c:3033
#14 0x41263c44 in g_signal_emit (instance=0x844ab38, signal_id=146,
detail=1254) at gsignal.c:3090
#15 0x002e27b9 in gst_bus_async_signal_func (bus=0x844ab38 [GstBus],
message=0x88a30c0, data=0x0)
    at gstbus.c:1091
#16 0x002e36b7 in gst_bus_source_dispatch (source=0x8594000, callback=0x2e2710
<gst_bus_async_signal_func>, 
    user_data=0x0) at gstbus.c:739
#17 0x4143dc4a in g_main_dispatch (context=0x82d4390) at gmain.c:2513
#18 g_main_context_dispatch (context=0x82d4390) at gmain.c:3050
#19 0x4143e055 in g_main_context_iterate (dispatch=1, block=1095023328,
context=0x82d4390, 
    self=<optimized out>) at gmain.c:3121
#20 g_main_context_iterate (context=0x82d4390, block=1095023328, dispatch=1,
self=0x865d0a0) at gmain.c:3058
#21 0x4143e4bf in g_main_loop_run (loop=0x874bee8) at gmain.c:3315
#22 0x42d7c155 in gtk_main () from /usr/lib/libgtk-3.so.0
#23 0x4e58649a in ffi_call_SYSV () at ../src/x86/sysv.S:64
#24 0x4e5861d0 in ffi_call (cif=0xbfffea5c, fn=0x42d7c0b0 <gtk_main>,
rvalue=0xbfffeb84, avalue=0xbfffe9f0)
    at ../src/x86/ffi.c:303
#25 0x0013e883 in _g_callable_info_invoke (info=0x87663b0, function=0x42d7c0b0,
in_args=0x0, n_in_args=0, 
    out_args=0x0, n_out_args=0, return_value=0xbfffeb84, is_method=0, throws=0,
error=0xbfffeb94)
    at girepository/gicallableinfo.c:518
#26 0x0013fe62 in g_function_info_invoke (info=0x87663b0, in_args=0x0,
n_in_args=0, out_args=0x0, n_out_args=
    0, return_value=0xbfffeb84, error=0xbfffeb94) at
girepository/gifunctioninfo.c:273
#27 0x00126cc7 in _invoke_callable (callable_info=<optimized out>,
cache=0x8766400, state=0xbfffeb64)
    at pygi-invoke.c:52
#28 _wrap_g_callable_info_invoke (self=0x8557a6c, py_args=0xb7f9702c,
kwargs=0x856068c) at pygi-invoke.c:633
#29 0x416a8b8d in PyCFunction_Call () from /usr/lib/libpython2.7.so.1.0
#30 0x417083b3 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#31 0x41709be2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#32 0x41707be2 in PyEval_EvalFrameEx () from /usr/lib/libpython2.7.so.1.0
#33 0x41709be2 in PyEval_EvalCodeEx () from /usr/lib/libpython2.7.so.1.0
#34 0x41709d54 in PyEval_EvalCode () from /usr/lib/libpython2.7.so.1.0
#35 0x41723b4d in ?? () from /usr/lib/libpython2.7.so.1.0
#36 0x41724b0e in PyRun_FileExFlags () from /usr/lib/libpython2.7.so.1.0
#37 0x417256fa in PyRun_SimpleFileExFlags () from /usr/lib/libpython2.7.so.1.0
#38 0x417263cc in PyRun_AnyFileExFlags () from /usr/lib/libpython2.7.so.1.0
#39 0x417376a4 in Py_Main () from /usr/lib/libpython2.7.so.1.0
#40 0x08048508 in main ()

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