[Bug 721253] multiqueue may cause hanging

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=721253
  GStreamer | gst-plugins | 1.0.5

--- Comment #1 from zhangyanping <zhangyanping210 at yahoo.com.cn> 2013-12-31 02:04:10 UTC ---
Anther thread callstack:

Thread 3 (Thread 0x2d6fe480 (LWP 22776)):
#0  0x2b0517c4 in pthread_cond_wait@@GLIBC_2.4 () from /lib/libpthread.so.0
#1  0x2ae45160 in g_cond_wait (cond=0x1852a4, mutex=0xd1078) at
gthread-posix.c:746
#2  0x2cec8394 in gst_multi_queue_sink_query (pad=0x11c3c8, parent=0xd0f68,
query=0x11c988) at gstmultiqueue.c:1614
#3  0x2ac4e6bc in gst_pad_query (pad=0x11c3c8, query=0x11c988) at gstpad.c:3548
#4  0x2ac4f1d4 in gst_pad_peer_query (pad=0x184c28, query=0x11c988) at
gstpad.c:3684
#5  0x2e044aa8 in qtdemux_do_allocation (qtdemux=0x1c03c8, stream=0x192a90) at
qtdemux.c:5130
#6  0x2e045a08 in gst_qtdemux_add_stream (qtdemux=0x1c03c8, stream=0x192a90,
list=0x192ec8) at qtdemux.c:5343
#7  0x2e05232c in qtdemux_expose_streams (qtdemux=0x1c03c8) at qtdemux.c:7925
#8  0x2e040530 in gst_qtdemux_chain (sinkpad=0x1c0900, parent=0x1c03c8,
inbuf=0x192888) at qtdemux.c:4310
#9  0x2ac4fa70 in gst_pad_chain_data_unchecked (pad=0x1c0900, type=4112,
data=0x192888) at gstpad.c:3790
#10 0x2ac5083c in gst_pad_push_data (pad=0xcf810, type=4112, data=0x192888) at
gstpad.c:4011
#11 0x2ac50f14 in gst_pad_push (pad=0xcf810, buffer=0x192888) at gstpad.c:4116
#12 0x2cee7ec8 in gst_type_find_element_chain (pad=0xcf4f8, parent=0xc72c8,
buffer=0x192888) at gsttypefindelement.c:828
#13 0x2ac4fa70 in gst_pad_chain_data_unchecked (pad=0xcf4f8, type=4112,
data=0x192888) at gstpad.c:3790
#14 0x2ac5083c in gst_pad_push_data (pad=0xce1c0, type=4112, data=0x192888) at
gstpad.c:4011
#15 0x2ac50f14 in gst_pad_push (pad=0xce1c0, buffer=0x192888) at gstpad.c:4116
---Type <return> to continue, or q <return> to quit---
#16 0x2ced0124 in gst_queue_push_one (queue=0xcda90) at gstqueue.c:1057
#17 0x2ced0f84 in gst_queue_loop (pad=0xce1c0) at gstqueue.c:1175
#18 0x2ac9193c in gst_task_func (task=0xd1c38) at gsttask.c:316

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