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xcb_wait_for_reply hang

Dec 16th, 2015
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  1. Application that renders using libva/vdpau/opengl hangs after a few minutes of operation (always reproducible within 1-15 minutes usually).
  2.  
  3. I see a hang in xcb_wait_for_reply() for request #31161
  4.  
  5. Possibly relevant part of xtrace:
  6. 000:>:4d8a:32: Reply to SwapBuffers: swap_hi=0 swap_lo=31161
  7. 000:>:4d8b:32: Reply to GetInputFocus: revert-to=Parent(0x02) focus=0x02e000e0
  8. 000:<:24d8c: 20: DRI2-Request(155,7): GetBuffersWithFormat drawable=0x04400006 attachments={attachment=BackLeft(0x00000001) format=0x00000020};
  9. 000:>:24d8c: Event DRI2-BufferSwapComplete(102) drawable=0x00000002 ust_hi=71303174 ust_lo=0 msc_hi=1858207713 msc_lo=0 sbc_hi=109393 sbc_lo=31161
  10.  
  11. And:
  12. 000:<:31161: 4: Request(43): GetInputFocus
  13. 000:>:31161: Event DRI2-InvalidateBuffers(103) drawable=0x04400006
  14.  
  15. Backtrace of threading waiting in xcb_wait_for_reply():
  16.  
  17. Thread 8 (Thread 0x7fca1f778700 (LWP 3580)):
  18. #0 0x00007fca55a3e12d in poll () at ../sysdeps/unix/syscall-template.S:81
  19. #1 0x00007fca5316b262 in poll (__timeout=-1, __nfds=1, __fds=0x7fca1f776a20) at
  20. /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  21. #2 _xcb_conn_wait (c=c@entry=0x2885500, cond=cond@entry=0x7fca1f776b40,
  22. vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
  23. #3 0x00007fca5316cadf in wait_for_reply (c=c@entry=0x2885500, request=31161,
  24. e=e@entry=0x0) at xcb_in.c:491
  25. #4 0x00007fca5316cbf2 in xcb_wait_for_reply (c=0x2885500, request=31161, e=0x0)
  26. at xcb_in.c:521
  27. #5 0x00007fca419b8004 in vl_dri2_get_flush_reply (scrn=0x2653600) at
  28. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:110
  29. #6 0x00007fca419b8101 in vl_dri2_destroy_drawable (scrn=0x2653600) at
  30. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:153
  31. #7 0x00007fca419b8185 in vl_dri2_set_drawable (scrn=0x2653600,
  32. drawable=71303307) at
  33. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:176
  34. #8 0x00007fca419b82c8 in vl_dri2_screen_texture_from_drawable
  35. (vscreen=0x2653600, drawable=0x440008b) at
  36. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:193
  37. #9 0x00007fca419b61ab in vlVdpPresentationQueueDisplay
  38. (presentation_queue=<optimized out>, surface=5, clip_width=1280,
  39. clip_height=720, earliest_presentation_time=0)
  40. at ../../../../../../src/gallium/state_trackers/vdpau/presentation.c:234
  41. #10 0x00007fca423ca6a3 in flip_surface_unlocked
  42. (driver_data=driver_data@entry=0x2650c90,
  43. obj_output=obj_output@entry=0x291a2b0) at vdpau_video_x11.c:583
  44. #11 0x00007fca423cb2e1 in queue_surface_unlocked (obj_surface=<optimized out>,
  45. obj_output=0x291a2b0, driver_data=0x2650c90) at vdpau_video_x11.c:610
  46. #12 put_surface_unlocked (flags=32, target_rect=0x7fca1f776f90,
  47. source_rect=0x7fca1f776f80, obj_output=0x291a2b0, obj_surface=0x2919bf0,
  48. driver_data=0x2650c90) at vdpau_video_x11.c:689
  49. #13 put_surface (driver_data=driver_data@entry=0x2650c90,
  50. surface=surface@entry=50331655, drawable=drawable@entry=71303307,
  51. drawable_width=<optimized out>, drawable_height=720,
  52. source_rect=source_rect@entry=0x7fca1f776f80,
  53. target_rect=target_rect@entry=0x7fca1f776f90, flags=flags@entry=32)
  54. at vdpau_video_x11.c:755
  55. #14 0x00007fca423cb59c in vdpau_PutSurface (ctx=<optimized out>,
  56. surface=50331655, draw=0x440008b, srcx=<optimized out>, srcy=<optimized
  57. out>, srcw=<optimized out>, srch=720, destx=0, desty=0,
  58. destw=1280, desth=720, cliprects=0x0, number_cliprects=0, flags=32)
  59. at vdpau_video_x11.c:808
  60. #15 0x000000000040eed2 in on_client_draw (glsink=<optimized out>, buf=<optimized
  61. out>, data=0x626d40 <video>) at video.c:619
  62.  
  63.  
  64. Full backtrace (all threads):
  65.  
  66. (gdb) thread apply all bt
  67.  
  68. Thread 16 (Thread 0x7fca45ae2700 (LWP 3566)):
  69. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  70. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  71. #1 0x00007fca493e1903 in radeon_drm_cs_emit_ioctl (param=0x21dadd0) at
  72. ../../../../../../../include/c11/threads_posix.h:159
  73. #2 0x00007fca493e10f9 in impl_thrd_routine (p=<optimized out>) at
  74. ../../../../../../../include/c11/threads_posix.h:87
  75. #3 0x00007fca57464182 in start_thread (arg=0x7fca45ae2700) at
  76. pthread_create.c:312
  77. #4 0x00007fca55a4b47d in clone () at
  78. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  79.  
  80. Thread 15 (Thread 0x7fca41944700 (LWP 3572)):
  81. #0 __lll_lock_wait () at
  82. ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
  83. #1 0x00007fca57466672 in _L_lock_953 () from
  84. /lib/x86_64-linux-gnu/libpthread.so.0
  85. #2 0x00007fca574664da in __GI___pthread_mutex_lock (mutex=0x261c7b0) at
  86. ../nptl/pthread_mutex_lock.c:114
  87. #3 0x00007fca561e66c0 in gst_vaapisink_x11_handle_events (sink=0x261d220) at
  88. gstvaapisink.c:344
  89. #4 0x00007fca561e39b2 in gst_vaapisink_event_thread (sink=0x261d220) at
  90. gstvaapisink.c:903
  91. #5 0x00007fca5646b455 in g_thread_proxy (data=0x2613d90) at gthread.c:764
  92. #6 0x00007fca57464182 in start_thread (arg=0x7fca41944700) at
  93. pthread_create.c:312
  94. #7 0x00007fca55a4b47d in clone () at
  95. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  96.  
  97. Thread 14 (Thread 0x7fca40ef1700 (LWP 3573)):
  98. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  99. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x7fca0c0af2a0,
  100. mutex=mutex@entry=0x7fca0c0af278) at gthread-posix.c:1397
  101. #2 0x00007fca4ed12eca in gst_data_queue_push (queue=0x7fca0c0af2d0,
  102. item=item@entry=0x7fca34231520) at gstdataqueue.c:520
  103. #3 0x00007fca40f166c2 in gst_multi_queue_chain (pad=pad@entry=0x7fca2832d920,
  104. parent=parent@entry=0x7fca0416b960, buffer=buffer@entry=0x7fca2c090440)
  105. at gstmultiqueue.c:1679
  106. #4 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c090440,
  107. type=<optimized out>, pad=0x7fca2832d920) at gstpad.c:4085
  108. #5 gst_pad_push_data (pad=0x7fca2832d6e0, type=type@entry=4112, data=<optimized
  109. out>, data@entry=0x7fca2c090440) at gstpad.c:4337
  110. #6 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  111. buffer=buffer@entry=0x7fca2c090440) at gstpad.c:4453
  112. #7 0x00007fca40188035 in gst_qtdemux_decorate_and_push_buffer
  113. (qtdemux=qtdemux@entry=0x7fca2c22c090, stream=stream@entry=0x7fca34211c00,
  114. buf=0x7fca2c090440, dts=dts@entry=1207437641,
  115. pts=pts@entry=1207437641, duration=duration@entry=23219955,
  116. keyframe=keyframe@entry=1, position=position@entry=1207437641,
  117. byte_position=<optimized out>) at qtdemux.c:4905
  118. #8 0x00007fca401a0ff9 in gst_qtdemux_loop_state_movie (qtdemux=0x7fca2c22c090)
  119. at qtdemux.c:5159
  120. #9 gst_qtdemux_loop (pad=0x7fca0418b4b0) at qtdemux.c:5235
  121. #10 0x00007fca56c8d2e9 in gst_task_func (task=0x2c31a70) at gsttask.c:331
  122. #11 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  123. gthreadpool.c:307
  124. #12 0x00007fca5646b455 in g_thread_proxy (data=0x23634a0) at gthread.c:764
  125. #13 0x00007fca57464182 in start_thread (arg=0x7fca40ef1700) at
  126. pthread_create.c:312
  127. #14 0x00007fca55a4b47d in clone () at
  128. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  129.  
  130. Thread 13 (Thread 0x7fca33bd3700 (LWP 3574)):
  131. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  132. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x2c310b0,
  133. mutex=mutex@entry=0x2c31068) at gthread-posix.c:1397
  134. #2 0x00007fca56c8d4cb in gst_task_func (task=0x2c31050) at gsttask.c:316
  135. #3 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  136. gthreadpool.c:307
  137. #4 0x00007fca5646b455 in g_thread_proxy (data=0x7fca34072630) at gthread.c:764
  138. #5 0x00007fca57464182 in start_thread (arg=0x7fca33bd3700) at
  139. pthread_create.c:312
  140. #6 0x00007fca55a4b47d in clone () at
  141. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  142.  
  143. Thread 12 (Thread 0x7fca333d2700 (LWP 3575)):
  144. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  145. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x7fca242b9540,
  146. mutex=mutex@entry=0x7fca242b9538) at gthread-posix.c:1397
  147. #2 0x00007fca561dd7c3 in gst_vaapidecode_handle_frame (vdec=0x7fca242b90b0,
  148. frame=0x7fca2c060bb0) at gstvaapidecode.c:475
  149. #3 0x00007fca569b7449 in gst_video_decoder_decode_frame
  150. (decoder=decoder@entry=0x7fca242b90b0, frame=0x7fca2c060bb0) at
  151. gstvideodecoder.c:3405
  152. #4 0x00007fca569bec01 in gst_video_decoder_have_frame
  153. (decoder=decoder@entry=0x7fca242b90b0) at gstvideodecoder.c:3337
  154. #5 0x00007fca561dd8f8 in gst_vaapidecode_parse_frame (at_eos=0,
  155. adapter=0x7fca242bd910, frame=0x7fca2c060bb0, vdec=0x7fca242b90b0) at
  156. gstvaapidecode.c:864
  157. #6 gst_vaapidecode_parse (vdec=0x7fca242b90b0, frame=0x7fca2c060bb0,
  158. adapter=0x7fca242bd910, at_eos=0) at gstvaapidecode.c:895
  159. #7 0x00007fca569b76d1 in gst_video_decoder_parse_available
  160. (dec=dec@entry=0x7fca242b90b0, at_eos=at_eos@entry=0, new_buffer=0,
  161. new_buffer@entry=1) at gstvideodecoder.c:1005
  162. #8 0x00007fca569b789c in gst_video_decoder_chain_forward
  163. (decoder=decoder@entry=0x7fca242b90b0, buf=buf@entry=0x7fca2c0aed40,
  164. at_eos=at_eos@entry=0) at gstvideodecoder.c:2196
  165. ---Type <return> to continue, or q <return> to quit---
  166. #9 0x00007fca569b9c3b in gst_video_decoder_chain (pad=pad@entry=0x7fca3421d230,
  167. parent=parent@entry=0x7fca242b90b0, buf=buf@entry=0x7fca2c0aed40) at
  168. gstvideodecoder.c:2492
  169. #10 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  170. type=<optimized out>, pad=0x7fca3421d230) at gstpad.c:4085
  171. #11 gst_pad_push_data (pad=pad@entry=0x7fca0c1a3a90, type=type@entry=4112,
  172. data=<optimized out>, data@entry=0x7fca2c0aed40) at gstpad.c:4337
  173. #12 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca0c1a3a90,
  174. buffer=buffer@entry=0x7fca2c0aed40) at gstpad.c:4453
  175. #13 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  176. (pad=pad@entry=0x7fca041b3650, parent=parent@entry=0x7fca0c22fd40,
  177. buffer=buffer@entry=0x7fca2c0aed40) at gstghostpad.c:126
  178. #14 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  179. type=<optimized out>, pad=0x7fca041b3650) at gstpad.c:4085
  180. #15 gst_pad_push_data (pad=0x7fca3421cff0, type=type@entry=4112, data=<optimized
  181. out>) at gstpad.c:4337
  182. #16 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  183. out>) at gstpad.c:4453
  184. #17 0x00007fca4ed030a8 in gst_base_transform_chain
  185. (pad=pad@entry=0x7fca3421cdb0, parent=parent@entry=0x7fca2c21d310,
  186. buffer=buffer@entry=0x7fca2c0aed40) at gstbasetransform.c:2369
  187. #18 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  188. type=<optimized out>, pad=0x7fca3421cdb0) at gstpad.c:4085
  189. #19 gst_pad_push_data (pad=0x7fca3421cb70, type=type@entry=4112, data=<optimized
  190. out>, data@entry=0x7fca2c0aed40) at gstpad.c:4337
  191. #20 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  192. buffer=buffer@entry=0x7fca2c0aed40) at gstpad.c:4453
  193. #21 0x00007fca4ece8369 in gst_base_parse_push_frame
  194. (parse=parse@entry=0x7fca242bba50, frame=frame@entry=0x7fca333d1770) at
  195. gstbaseparse.c:2401
  196. #22 0x00007fca4ece932b in gst_base_parse_chain (pad=pad@entry=0x7fca3421c930,
  197. parent=parent@entry=0x7fca242bba50, buffer=buffer@entry=0x7fca2c0aed40)
  198. at gstbaseparse.c:3012
  199. #23 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  200. type=<optimized out>, pad=0x7fca3421c930) at gstpad.c:4085
  201. #24 gst_pad_push_data (pad=0x7fca2429dd80, type=type@entry=4112, data=<optimized
  202. out>) at gstpad.c:4337
  203. #25 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  204. out>) at gstpad.c:4453
  205. #26 0x00007fca4ed030a8 in gst_base_transform_chain
  206. (pad=pad@entry=0x7fca2429cdc0, parent=parent@entry=0x7fca04190a60,
  207. buffer=buffer@entry=0x7fca2c0aed40) at gstbasetransform.c:2369
  208. #27 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  209. type=<optimized out>, pad=0x7fca2429cdc0) at gstpad.c:4085
  210. #28 gst_pad_push_data (pad=0x7fca2c220060, type=type@entry=4112, data=<optimized
  211. out>, data@entry=0x7fca2c0aed40) at gstpad.c:4337
  212. #29 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  213. buffer=buffer@entry=0x7fca2c0aed40) at gstpad.c:4453
  214. #30 0x00007fca4ece8369 in gst_base_parse_push_frame
  215. (parse=parse@entry=0x7fca34215250, frame=frame@entry=0x7fca333d1b80) at
  216. gstbaseparse.c:2401
  217. #31 0x00007fca4ece932b in gst_base_parse_chain (pad=pad@entry=0x7fca28306700,
  218. parent=parent@entry=0x7fca34215250, buffer=buffer@entry=0x7fca2c0aed40)
  219. at gstbaseparse.c:3012
  220. #32 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c0aed40,
  221. type=<optimized out>, pad=0x7fca28306700) at gstpad.c:4085
  222. #33 gst_pad_push_data (pad=0x7fca28306dc0, type=type@entry=4112, data=<optimized
  223. out>, data@entry=0x7fca2c0aed40) at gstpad.c:4337
  224. #34 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  225. buffer=buffer@entry=0x7fca2c0aed40) at gstpad.c:4453
  226. #35 0x00007fca40f17e23 in gst_single_queue_push_one (allow_drop=<synthetic
  227. pointer>, object=0x7fca2c0aed40, sq=0x7fca342142a0, mq=0x7fca0416b960)
  228. at gstmultiqueue.c:1237
  229. #36 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1515
  230. #37 0x00007fca56c8d2e9 in gst_task_func (task=0x7fca3414c050) at gsttask.c:331
  231. #38 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  232. gthreadpool.c:307
  233. #39 0x00007fca5646b455 in g_thread_proxy (data=0x7fca2c0052d0) at gthread.c:764
  234. #40 0x00007fca57464182 in start_thread (arg=0x7fca333d2700) at
  235. pthread_create.c:312
  236. #41 0x00007fca55a4b47d in clone () at
  237. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  238.  
  239. Thread 11 (Thread 0x7fca30977700 (LWP 3576)):
  240. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  241. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x7fca0c006be8,
  242. mutex=mutex@entry=0x7fca0c006bc0) at gthread-posix.c:1397
  243. #2 0x00007fca40f1c955 in gst_queue_chain_buffer_or_list (parent=0x7fca0c006940,
  244. obj=0x7fca2c07e410, is_list=0, pad=<optimized out>) at gstqueue.c:1199
  245. #3 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  246. type=<optimized out>, pad=0x7fca2803f490) at gstpad.c:4085
  247. #4 gst_pad_push_data (pad=pad@entry=0x7fca28082290, type=type@entry=4112,
  248. data=<optimized out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  249. #5 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca28082290,
  250. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  251. #6 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  252. (pad=pad@entry=0x7fca28034ef0, parent=parent@entry=0x7fca2802f370,
  253. buffer=buffer@entry=0x7fca2c07e410) at gstghostpad.c:126
  254. #7 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  255. type=<optimized out>, pad=0x7fca28034ef0) at gstpad.c:4085
  256. #8 gst_pad_push_data (pad=pad@entry=0x7fca2833e060, type=type@entry=4112,
  257. data=<optimized out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  258. #9 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca2833e060,
  259. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  260. #10 0x00007fca44e191b5 in gst_stream_synchronizer_sink_chain
  261. (pad=pad@entry=0x7fca3421dd70, parent=parent@entry=0x239fc80,
  262. buffer=buffer@entry=0x7fca2c07e410) at gststreamsynchronizer.c:692
  263. #11 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  264. type=<optimized out>, pad=0x7fca3421dd70) at gstpad.c:4085
  265. #12 gst_pad_push_data (pad=0x7fca280824d0, type=type@entry=4112, data=<optimized
  266. out>) at gstpad.c:4337
  267. #13 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  268. out>) at gstpad.c:4453
  269. #14 0x00007fca40f29dd3 in gst_tee_handle_data (tee=tee@entry=0x7fca24058540,
  270. data=data@entry=0x7fca2c07e410, is_list=is_list@entry=0) at gsttee.c:660
  271. #15 0x00007fca40f29ff3 in gst_tee_chain (pad=pad@entry=0x7fca2404edb0,
  272. parent=parent@entry=0x7fca24058540, buffer=buffer@entry=0x7fca2c07e410)
  273. at gsttee.c:780
  274. #16 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  275. type=<optimized out>, pad=0x7fca2404edb0) at gstpad.c:4085
  276. #17 gst_pad_push_data (pad=pad@entry=0x7fca0c2a0360, type=type@entry=4112,
  277. data=<optimized out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  278. #18 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca0c2a0360,
  279. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  280. #19 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  281. (pad=pad@entry=0x7fca04196ef0, parent=parent@entry=0x2616090,
  282. buffer=buffer@entry=0x7fca2c07e410) at gstghostpad.c:126
  283. ---Type <return> to continue, or q <return> to quit---
  284. #20 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  285. type=<optimized out>, pad=0x7fca04196ef0) at gstpad.c:4085
  286. #21 gst_pad_push_data (pad=0x7fca2832d260, type=type@entry=4112, data=<optimized
  287. out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  288. #22 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  289. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  290. #23 0x00007fca40f11cd9 in gst_selector_pad_chain (pad=pad@entry=0x7fca341f56d0,
  291. parent=parent@entry=0x7fca0c283170, buf=buf@entry=0x7fca2c07e410) at
  292. gstinputselector.c:1109
  293. #24 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  294. type=<optimized out>, pad=0x7fca341f56d0) at gstpad.c:4085
  295. #25 gst_pad_push_data (pad=pad@entry=0x7fca04196c80, type=type@entry=4112,
  296. data=<optimized out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  297. #26 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca04196c80,
  298. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  299. #27 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  300. (pad=pad@entry=0x7fca0c2a0110, parent=parent@entry=0x7fca04196c80,
  301. buffer=buffer@entry=0x7fca2c07e410) at gstghostpad.c:126
  302. #28 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  303. type=<optimized out>, pad=0x7fca0c2a0110) at gstpad.c:4085
  304. #29 gst_pad_push_data (pad=pad@entry=0x7fca34023c80, type=type@entry=4112,
  305. data=<optimized out>, data@entry=0x7fca2c07e410) at gstpad.c:4337
  306. #30 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca34023c80,
  307. buffer=buffer@entry=0x7fca2c07e410) at gstpad.c:4453
  308. #31 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  309. (pad=pad@entry=0x7fca2c04b550, parent=parent@entry=0x7fca34023c80,
  310. buffer=buffer@entry=0x7fca2c07e410) at gstghostpad.c:126
  311. #32 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c07e410,
  312. type=<optimized out>, pad=0x7fca2c04b550) at gstpad.c:4085
  313. #33 gst_pad_push_data (pad=0x7fca2832c960, type=type@entry=4112, data=<optimized
  314. out>) at gstpad.c:4337
  315. #34 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  316. out>) at gstpad.c:4453
  317. #35 0x00007fca4af4c07c in gst_audio_decoder_push_forward
  318. (dec=dec@entry=0x7fca28364790, buf=0x7fca2c07e410) at gstaudiodecoder.c:1038
  319. #36 0x00007fca4af4c356 in gst_audio_decoder_output
  320. (dec=dec@entry=0x7fca28364790, buf=<optimized out>, buf@entry=0x7fca2c07e410) at
  321. gstaudiodecoder.c:1114
  322. #37 0x00007fca4af527ee in gst_audio_decoder_finish_frame
  323. (dec=dec@entry=0x7fca28364790, buf=buf@entry=0x7fca2c07e410, frames=<optimized
  324. out>, frames@entry=1) at gstaudiodecoder.c:1456
  325. #38 0x00007fca1f9bbf1c in gst_faad_handle_frame (dec=0x7fca28364790, buffer=0x0)
  326. at gstfaad.c:797
  327. #39 0x00007fca4af4edd3 in gst_audio_decoder_push_buffers
  328. (dec=dec@entry=0x7fca28364790, force=force@entry=0) at gstaudiodecoder.c:1614
  329. #40 0x00007fca4af4f1ab in gst_audio_decoder_chain_forward
  330. (dec=dec@entry=0x7fca28364790, buffer=0x0, buffer@entry=0x7fca3401f7c0) at
  331. gstaudiodecoder.c:1728
  332. #41 0x00007fca4af503e7 in gst_audio_decoder_chain (pad=pad@entry=0x7fca2832c720,
  333. parent=parent@entry=0x7fca28364790, buffer=buffer@entry=0x7fca3401f7c0)
  334. at gstaudiodecoder.c:1986
  335. #42 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca3401f7c0,
  336. type=<optimized out>, pad=0x7fca2832c720) at gstpad.c:4085
  337. #43 gst_pad_push_data (pad=0x7fca3421c030, type=type@entry=4112, data=<optimized
  338. out>, data@entry=0x7fca3401f7c0) at gstpad.c:4337
  339. #44 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  340. buffer=buffer@entry=0x7fca3401f7c0) at gstpad.c:4453
  341. #45 0x00007fca4ece8369 in gst_base_parse_push_frame
  342. (parse=parse@entry=0x7fca34219370, frame=frame@entry=0x7fca30976b80) at
  343. gstbaseparse.c:2401
  344. #46 0x00007fca4ece932b in gst_base_parse_chain (pad=pad@entry=0x7fca2832dda0,
  345. parent=parent@entry=0x7fca34219370, buffer=buffer@entry=0x7fca3401f7c0)
  346. at gstbaseparse.c:3012
  347. #47 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca3401f7c0,
  348. type=<optimized out>, pad=0x7fca2832dda0) at gstpad.c:4085
  349. #48 gst_pad_push_data (pad=0x7fca2832db60, type=type@entry=4112, data=<optimized
  350. out>, data@entry=0x7fca3401f7c0) at gstpad.c:4337
  351. #49 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  352. buffer=buffer@entry=0x7fca3401f7c0) at gstpad.c:4453
  353. #50 0x00007fca40f17e23 in gst_single_queue_push_one (allow_drop=<synthetic
  354. pointer>, object=0x7fca3401f7c0, sq=0x7fca34218a30, mq=0x7fca0416b960)
  355. at gstmultiqueue.c:1237
  356. #51 gst_multi_queue_loop (pad=<optimized out>) at gstmultiqueue.c:1515
  357. #52 0x00007fca56c8d2e9 in gst_task_func (task=0x7fca3421b050) at gsttask.c:331
  358. #53 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  359. gthreadpool.c:307
  360. #54 0x00007fca5646b455 in g_thread_proxy (data=0x7fca2c057990) at gthread.c:764
  361. #55 0x00007fca57464182 in start_thread (arg=0x7fca30977700) at
  362. pthread_create.c:312
  363. #56 0x00007fca55a4b47d in clone () at
  364. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  365.  
  366. Thread 10 (Thread 0x7fca32978700 (LWP 3578)):
  367. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  368. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x7fca3416c4a0,
  369. mutex=mutex@entry=0x7fca3416c490) at gthread-posix.c:1397
  370. #2 0x00007fca40f1b03d in gst_queue_loop (pad=<optimized out>) at
  371. gstqueue.c:1471
  372. #3 0x00007fca56c8d2e9 in gst_task_func (task=0x7fca3414ca70) at gsttask.c:331
  373. #4 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  374. gthreadpool.c:307
  375. #5 0x00007fca5646b455 in g_thread_proxy (data=0x7fca24003ca0) at gthread.c:764
  376. #6 0x00007fca57464182 in start_thread (arg=0x7fca32978700) at
  377. pthread_create.c:312
  378. #7 0x00007fca55a4b47d in clone () at
  379. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  380.  
  381. Thread 9 (Thread 0x7fca31918700 (LWP 3579)):
  382. #0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
  383. #1 0x00007fca5648832f in g_cond_wait (cond=cond@entry=0x7fca28011500,
  384. mutex=mutex@entry=0x7fca280114f8) at gthread-posix.c:1397
  385. #2 0x00007fca4ecf6208 in gst_base_sink_wait_preroll
  386. (sink=sink@entry=0x7fca280113d0) at gstbasesink.c:2204
  387. #3 0x00007fca4ecf6649 in gst_base_sink_do_preroll
  388. (sink=sink@entry=0x7fca280113d0, obj=obj@entry=0x7fca2c06a3c0) at
  389. gstbasesink.c:2298
  390. #4 0x00007fca4ecf6eab in gst_base_sink_do_sync
  391. (basesink=basesink@entry=0x7fca280113d0, obj=obj@entry=0x7fca2c06a3c0,
  392. late=late@entry=0x7fca31917758, step_end=step_end@entry=0x7fca3191775c)
  393. at gstbasesink.c:2500
  394. ---Type <return> to continue, or q <return> to quit---
  395. #5 0x00007fca4ecf83d6 in gst_base_sink_chain_unlocked
  396. (basesink=basesink@entry=0x7fca280113d0, obj=obj@entry=0x7fca2c06a3c0,
  397. is_list=is_list@entry=0, pad=<optimized out>) at gstbasesink.c:3486
  398. #6 0x00007fca4ecf9c44 in gst_base_sink_chain_main (basesink=0x7fca280113d0,
  399. pad=<optimized out>, obj=0x7fca2c06a3c0, is_list=0) at
  400. gstbasesink.c:3647
  401. #7 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a3c0,
  402. type=<optimized out>, pad=0x7fca2c0136b0) at gstpad.c:4085
  403. #8 gst_pad_push_data (pad=pad@entry=0x7fca28034c80, type=type@entry=4112,
  404. data=<optimized out>, data@entry=0x7fca2c06a3c0) at gstpad.c:4337
  405. #9 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca28034c80,
  406. buffer=buffer@entry=0x7fca2c06a3c0) at gstpad.c:4453
  407. #10 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  408. (pad=pad@entry=0x7fca28082040, parent=parent@entry=0x7fca28034c80,
  409. buffer=buffer@entry=0x7fca2c06a3c0) at gstghostpad.c:126
  410. #11 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a3c0,
  411. type=<optimized out>, pad=0x7fca28082040) at gstpad.c:4085
  412. #12 gst_pad_push_data (pad=0x7fca2808e950, type=type@entry=4112, data=<optimized
  413. out>) at gstpad.c:4337
  414. #13 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  415. out>) at gstpad.c:4453
  416. #14 0x00007fca4ed030a8 in gst_base_transform_chain
  417. (pad=pad@entry=0x7fca2808e710, parent=parent@entry=0x7fca28038980,
  418. buffer=buffer@entry=0x7fca2c06a3c0) at gstbasetransform.c:2369
  419. #15 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a3c0,
  420. type=<optimized out>, pad=0x7fca2808e710) at gstpad.c:4085
  421. #16 gst_pad_push_data (pad=0x7fca2808e4d0, type=type@entry=4112, data=<optimized
  422. out>) at gstpad.c:4337
  423. #17 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  424. out>) at gstpad.c:4453
  425. #18 0x00007fca4ed030a8 in gst_base_transform_chain
  426. (pad=pad@entry=0x7fca2808e290, parent=parent@entry=0x7fca280910f0,
  427. buffer=buffer@entry=0x7fca2c06a3c0) at gstbasetransform.c:2369
  428. #19 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a3c0,
  429. type=<optimized out>, pad=0x7fca2808e290) at gstpad.c:4085
  430. #20 gst_pad_push_data (pad=pad@entry=0x7fca24055ca0, type=type@entry=4112,
  431. data=<optimized out>, data@entry=0x7fca2c06a3c0) at gstpad.c:4337
  432. #21 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca24055ca0,
  433. buffer=buffer@entry=0x7fca2c06a3c0) at gstpad.c:4453
  434. #22 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  435. (pad=pad@entry=0x7fca28034a10, parent=parent@entry=0x2606ba0,
  436. buffer=buffer@entry=0x7fca2c06a3c0) at gstghostpad.c:126
  437. #23 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a3c0,
  438. type=<optimized out>, pad=0x7fca28034a10) at gstpad.c:4085
  439. #24 gst_pad_push_data (pad=0x7fca2803f6d0, type=type@entry=4112, data=<optimized
  440. out>, data@entry=0x7fca2c06a3c0) at gstpad.c:4337
  441. #25 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  442. buffer=buffer@entry=0x7fca2c06a3c0) at gstpad.c:4453
  443. #26 0x00007fca40f1b99f in gst_queue_push_one (queue=0x7fca0c006940) at
  444. gstqueue.c:1336
  445. #27 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1483
  446. #28 0x00007fca56c8d2e9 in gst_task_func (task=0x7fca04165710) at gsttask.c:331
  447. #29 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  448. gthreadpool.c:307
  449. #30 0x00007fca5646b455 in g_thread_proxy (data=0x7fca28063140) at gthread.c:764
  450. #31 0x00007fca57464182 in start_thread (arg=0x7fca31918700) at
  451. pthread_create.c:312
  452. #32 0x00007fca55a4b47d in clone () at
  453. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  454.  
  455. Thread 8 (Thread 0x7fca1f778700 (LWP 3580)):
  456. #0 0x00007fca55a3e12d in poll () at ../sysdeps/unix/syscall-template.S:81
  457. #1 0x00007fca5316b262 in poll (__timeout=-1, __nfds=1, __fds=0x7fca1f776a20) at
  458. /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  459. #2 _xcb_conn_wait (c=c@entry=0x2885500, cond=cond@entry=0x7fca1f776b40,
  460. vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
  461. #3 0x00007fca5316cadf in wait_for_reply (c=c@entry=0x2885500, request=31161,
  462. e=e@entry=0x0) at xcb_in.c:491
  463. #4 0x00007fca5316cbf2 in xcb_wait_for_reply (c=0x2885500, request=31161, e=0x0)
  464. at xcb_in.c:521
  465. #5 0x00007fca419b8004 in vl_dri2_get_flush_reply (scrn=0x2653600) at
  466. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:110
  467. #6 0x00007fca419b8101 in vl_dri2_destroy_drawable (scrn=0x2653600) at
  468. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:153
  469. #7 0x00007fca419b8185 in vl_dri2_set_drawable (scrn=0x2653600,
  470. drawable=71303307) at
  471. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:176
  472. #8 0x00007fca419b82c8 in vl_dri2_screen_texture_from_drawable
  473. (vscreen=0x2653600, drawable=0x440008b) at
  474. ../../../../../src/gallium/auxiliary/vl/vl_winsys_dri.c:193
  475. #9 0x00007fca419b61ab in vlVdpPresentationQueueDisplay
  476. (presentation_queue=<optimized out>, surface=5, clip_width=1280,
  477. clip_height=720, earliest_presentation_time=0)
  478. at ../../../../../../src/gallium/state_trackers/vdpau/presentation.c:234
  479. #10 0x00007fca423ca6a3 in flip_surface_unlocked
  480. (driver_data=driver_data@entry=0x2650c90,
  481. obj_output=obj_output@entry=0x291a2b0) at vdpau_video_x11.c:583
  482. #11 0x00007fca423cb2e1 in queue_surface_unlocked (obj_surface=<optimized out>,
  483. obj_output=0x291a2b0, driver_data=0x2650c90) at vdpau_video_x11.c:610
  484. #12 put_surface_unlocked (flags=32, target_rect=0x7fca1f776f90,
  485. source_rect=0x7fca1f776f80, obj_output=0x291a2b0, obj_surface=0x2919bf0,
  486. driver_data=0x2650c90) at vdpau_video_x11.c:689
  487. #13 put_surface (driver_data=driver_data@entry=0x2650c90,
  488. surface=surface@entry=50331655, drawable=drawable@entry=71303307,
  489. drawable_width=<optimized out>, drawable_height=720,
  490. source_rect=source_rect@entry=0x7fca1f776f80,
  491. target_rect=target_rect@entry=0x7fca1f776f90, flags=flags@entry=32)
  492. at vdpau_video_x11.c:755
  493. #14 0x00007fca423cb59c in vdpau_PutSurface (ctx=<optimized out>,
  494. surface=50331655, draw=0x440008b, srcx=<optimized out>, srcy=<optimized
  495. out>, srcw=<optimized out>, srch=720, destx=0, desty=0,
  496. destw=1280, desth=720, cliprects=0x0, number_cliprects=0, flags=32)
  497. at vdpau_video_x11.c:808
  498. #15 0x000000000040eed2 in on_client_draw (glsink=<optimized out>, buf=<optimized
  499. out>, data=0x626d40 <video>) at video.c:619
  500. #16 0x00007fca56746f70 in g_cclosure_marshal_VOID__BOXEDv (closure=0x2cc1040,
  501. return_value=<optimized out>, instance=<optimized out>, args=<optimized
  502. out>, marshal_data=<optimized out>,
  503. n_params=<optimized out>, param_types=0x261a240) at gmarshal.c:1950
  504. #17 0x00007fca56744347 in _g_closure_invoke_va (closure=closure@entry=0x2cc1040,
  505. return_value=return_value@entry=0x0, instance=instance@entry=0x261d220,
  506. args=args@entry=0x7fca1f777298, n_params=1,
  507. param_types=0x261a240) at gclosure.c:864
  508. #18 0x00007fca5675d308 in g_signal_emit_valist (instance=0x261d220,
  509. signal_id=<optimized out>, detail=0,
  510. var_args=var_args@entry=0x7fca1f777298) at gsignal.c:3246
  511. #19 0x00007fca5675df52 in g_signal_emit (instance=instance@entry=0x261d220,
  512. signal_id=<optimized out>, detail=detail@entry=0) at gsignal.c:3393
  513. ---Type <return> to continue, or q <return> to quit---
  514. #20 0x00007fca561e5100 in gst_vaapisink_show_frame_unlocked
  515. (src_buffer=0x7fca2c06a2b0, sink=0x261d220) at gstvaapisink.c:1390
  516. #21 gst_vaapisink_show_frame (video_sink=0x261d220, src_buffer=0x7fca2c06a2b0)
  517. at gstvaapisink.c:1427
  518. #22 0x00007fca4ecf6a15 in gst_base_sink_do_preroll (sink=sink@entry=0x261d220,
  519. obj=obj@entry=0x7fca2c06a2b0) at gstbasesink.c:2281
  520. #23 0x00007fca4ecf6eab in gst_base_sink_do_sync
  521. (basesink=basesink@entry=0x261d220, obj=obj@entry=0x7fca2c06a2b0,
  522. late=late@entry=0x7fca1f777758, step_end=step_end@entry=0x7fca1f77775c)
  523. at gstbasesink.c:2500
  524. #24 0x00007fca4ecf83d6 in gst_base_sink_chain_unlocked
  525. (basesink=basesink@entry=0x261d220, obj=obj@entry=0x7fca2c06a2b0,
  526. is_list=is_list@entry=0, pad=<optimized out>) at gstbasesink.c:3486
  527. #25 0x00007fca4ecf9c44 in gst_base_sink_chain_main (basesink=0x261d220,
  528. pad=<optimized out>, obj=0x7fca2c06a2b0, is_list=0) at
  529. gstbasesink.c:3647
  530. #26 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a2b0,
  531. type=<optimized out>, pad=0x261e040) at gstpad.c:4085
  532. #27 gst_pad_push_data (pad=pad@entry=0x7fca28034050, type=type@entry=4112,
  533. data=<optimized out>, data@entry=0x7fca2c06a2b0) at gstpad.c:4337
  534. #28 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca28034050,
  535. buffer=buffer@entry=0x7fca2c06a2b0) at gstpad.c:4453
  536. #29 0x00007fca56c4eb3b in gst_proxy_pad_chain_default
  537. (pad=pad@entry=0x7fca24055360, parent=parent@entry=0x7fca28034050,
  538. buffer=buffer@entry=0x7fca2c06a2b0) at gstghostpad.c:126
  539. #30 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a2b0,
  540. type=<optimized out>, pad=0x7fca24055360) at gstpad.c:4085
  541. #31 gst_pad_push_data (pad=0x7fca2803e4d0, type=type@entry=4112, data=<optimized
  542. out>) at gstpad.c:4337
  543. #32 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  544. out>) at gstpad.c:4453
  545. #33 0x00007fca4ed030a8 in gst_base_transform_chain
  546. (pad=pad@entry=0x7fca2803e290, parent=parent@entry=0x7fca2806a310,
  547. buffer=buffer@entry=0x7fca2c06a2b0) at gstbasetransform.c:2369
  548. #34 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a2b0,
  549. type=<optimized out>, pad=0x7fca2803e290) at gstpad.c:4085
  550. #35 gst_pad_push_data (pad=0x7fca2803e050, type=type@entry=4112, data=<optimized
  551. out>) at gstpad.c:4337
  552. #36 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>, buffer=<optimized
  553. out>) at gstpad.c:4453
  554. #37 0x00007fca4ed030a8 in gst_base_transform_chain
  555. (pad=pad@entry=0x7fca2404fd70, parent=parent@entry=0x7fca280660d0,
  556. buffer=buffer@entry=0x7fca2c06a2b0) at gstbasetransform.c:2369
  557. #38 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a2b0,
  558. type=<optimized out>, pad=0x7fca2404fd70) at gstpad.c:4085
  559. #39 gst_pad_push_data (pad=pad@entry=0x7fca24055110, type=type@entry=4112,
  560. data=<optimized out>, data@entry=0x7fca2c06a2b0) at gstpad.c:4337
  561. #40 0x00007fca56c64e86 in gst_pad_push (pad=pad@entry=0x7fca24055110,
  562. buffer=buffer@entry=0x7fca2c06a2b0) at gstpad.c:4453
  563. #41 0x00007fca56c4eb3b in gst_proxy_pad_chain_default (pad=pad@entry=0x22fbda0,
  564. parent=parent@entry=0x26069a0, buffer=buffer@entry=0x7fca2c06a2b0) at
  565. gstghostpad.c:126
  566. #42 0x00007fca56c5d665 in gst_pad_chain_data_unchecked (data=0x7fca2c06a2b0,
  567. type=<optimized out>, pad=0x22fbda0) at gstpad.c:4085
  568. #43 gst_pad_push_data (pad=0x7fca2404f230, type=type@entry=4112, data=<optimized
  569. out>, data@entry=0x7fca2c06a2b0) at gstpad.c:4337
  570. #44 0x00007fca56c64e86 in gst_pad_push (pad=<optimized out>,
  571. buffer=buffer@entry=0x7fca2c06a2b0) at gstpad.c:4453
  572. #45 0x00007fca40f1b99f in gst_queue_push_one (queue=0x7fca0c006650) at
  573. gstqueue.c:1336
  574. #46 gst_queue_loop (pad=<optimized out>) at gstqueue.c:1483
  575. #47 0x00007fca56c8d2e9 in gst_task_func (task=0x7fca041655f0) at gsttask.c:331
  576. #48 0x00007fca5646bddc in g_thread_pool_thread_proxy (data=<optimized out>) at
  577. gthreadpool.c:307
  578. #49 0x00007fca5646b455 in g_thread_proxy (data=0x7fca28062cf0) at gthread.c:764
  579. #50 0x00007fca57464182 in start_thread (arg=0x7fca1f778700) at
  580. pthread_create.c:312
  581. #51 0x00007fca55a4b47d in clone () at
  582. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  583.  
  584. Thread 7 (Thread 0x7fca1d774700 (LWP 4136)):
  585. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  586. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  587. #1 0x00007fca57dd431d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
  588. #2 0x00007fca57464182 in start_thread (arg=0x7fca1d774700) at
  589. pthread_create.c:312
  590. #3 0x00007fca55a4b47d in clone () at
  591. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  592.  
  593. Thread 6 (Thread 0x7fca42dd3700 (LWP 4137)):
  594. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  595. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  596. #1 0x00007fca57dd431d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
  597. #2 0x00007fca57464182 in start_thread (arg=0x7fca42dd3700) at
  598. pthread_create.c:312
  599. #3 0x00007fca55a4b47d in clone () at
  600. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  601.  
  602. Thread 5 (Thread 0x7fca435d4700 (LWP 4138)):
  603. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  604. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  605. #1 0x00007fca57dd431d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
  606. #2 0x00007fca57464182 in start_thread (arg=0x7fca435d4700) at
  607. pthread_create.c:312
  608. #3 0x00007fca55a4b47d in clone () at
  609. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  610.  
  611. Thread 4 (Thread 0x7fca43dd5700 (LWP 4139)):
  612. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  613. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  614. #1 0x00007fca57dd431d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
  615. ---Type <return> to continue, or q <return> to quit---
  616. #2 0x00007fca57464182 in start_thread (arg=0x7fca43dd5700) at
  617. pthread_create.c:312
  618. #3 0x00007fca55a4b47d in clone () at
  619. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  620.  
  621. Thread 3 (Thread 0x7fca44cd7700 (LWP 4140)):
  622. #0 pthread_cond_wait@@GLIBC_2.3.2 () at
  623. ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
  624. #1 0x00007fca57dd431d in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
  625. #2 0x00007fca57464182 in start_thread (arg=0x7fca44cd7700) at
  626. pthread_create.c:312
  627. #3 0x00007fca55a4b47d in clone () at
  628. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  629.  
  630. Thread 2 (Thread 0x7fca1e776700 (LWP 4141)):
  631. #0 0x00007fca55a3e12d in poll () at ../sysdeps/unix/syscall-template.S:81
  632. #1 0x00007fca23540031 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  633. #2 0x00007fca2353183c in pa_mainloop_poll () from
  634. /usr/lib/x86_64-linux-gnu/libpulse.so.0
  635. #3 0x00007fca23531ece in pa_mainloop_iterate () from
  636. /usr/lib/x86_64-linux-gnu/libpulse.so.0
  637. #4 0x00007fca23531f80 in pa_mainloop_run () from
  638. /usr/lib/x86_64-linux-gnu/libpulse.so.0
  639. #5 0x00007fca2353ffe3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
  640. #6 0x00007fca230e3f08 in ?? () from
  641. /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
  642. #7 0x00007fca57464182 in start_thread (arg=0x7fca1e776700) at
  643. pthread_create.c:312
  644. #8 0x00007fca55a4b47d in clone () at
  645. ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  646.  
  647. Thread 1 (Thread 0x7fca5a27f780 (LWP 3565)):
  648. #0 0x00007fca55a3e12d in poll () at ../sysdeps/unix/syscall-template.S:81
  649. #1 0x00007fca5316b262 in poll (__timeout=-1, __nfds=1, __fds=0x7ffef810a810) at
  650. /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  651. #2 _xcb_conn_wait (c=c@entry=0x217bed0, cond=cond@entry=0x7ffef810a930,
  652. vector=vector@entry=0x0, count=count@entry=0x0) at xcb_conn.c:459
  653. #3 0x00007fca5316cadf in wait_for_reply (c=c@entry=0x217bed0, request=212481,
  654. e=e@entry=0x7ffef810a9f8) at xcb_in.c:491
  655. #4 0x00007fca5316cbf2 in xcb_wait_for_reply (c=0x217bed0, request=212481,
  656. e=0x7ffef810a9f8) at xcb_in.c:521
  657. #5 0x00007fca56f4848f in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
  658. #6 0x00007fca597edb23 in DRI2GetBuffersWithFormat (dpy=0x217ab90,
  659. drawable=71303174, width=0x24757d8, height=0x24757dc,
  660. attachments=0x7ffef810abd0, count=<optimized out>,
  661. outCount=0x7ffef810abb0)
  662. at ../../../../src/glx/dri2.c:491
  663. #7 0x00007fca597ede3f in dri2GetBuffersWithFormat (driDrawable=<optimized out>,
  664. width=0x24757d8, height=0x24757dc, attachments=<optimized out>,
  665. count=<optimized out>, out_count=0x7ffef810abb0,
  666. loaderPrivate=0x24757f0) at ../../../../src/glx/dri2_glx.c:900
  667. #8 0x00007fca48fdb63c in dri2_allocate_textures (ctx=0x23a5ae0,
  668. drawable=0x24758d0, statts=0x2475f20, statts_count=2) at
  669. ../../../../../../src/gallium/state_trackers/dri/dri2.c:213
  670. #9 0x00007fca48fd7ba5 in dri_st_framebuffer_validate (stctx=<optimized out>,
  671. stfbi=<optimized out>, statts=0x2475f20, count=2, out=0x7ffef810ad10)
  672. at ../../../../../../src/gallium/state_trackers/dri/dri_drawable.c:83
  673. #10 0x00007fca48effcee in st_framebuffer_validate (stfb=0x2475ac0, st=0x246d020)
  674. at ../../../../src/mesa/state_tracker/st_manager.c:200
  675. #11 0x00007fca48f01342 in st_manager_validate_framebuffers (st=0x246d020) at
  676. ../../../../src/mesa/state_tracker/st_manager.c:925
  677. #12 0x00007fca48ec3812 in st_validate_state (st=0x246d020) at
  678. ../../../../src/mesa/state_tracker/st_atom.c:189
  679. #13 0x00007fca48eca605 in st_Clear (ctx=0x2422190, mask=2) at
  680. ../../../../src/mesa/state_tracker/st_cb_clear.c:470
  681. #14 0x0000000000406ab7 in tick () at main.c:1461
  682. #15 main (argc=2, argv=0x7ffef810b118) at main.c:1601
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