/* Back trace from gdb*/
  

 0xb7fe856c in do_bo_emit_reloc () from /opt/X11R7//lib/libdrm_intel.so.1
#1  0xb7fe882a in drm_intel_gem_bo_emit_reloc () from /opt/X11R7//lib/libdrm_intel.so.1
#2  0xb7fe36da in drm_intel_bo_emit_reloc () from /opt/X11R7//lib/libdrm_intel.so.1
#3  0xb130fe3b in intel_batchbuffer_emit_reloc_helper (ctx=<value optimized out>, batch=0xaf2beb30, bo=0x0, read_domains=16, write_domains=0, delta=0) at intel_batchbuffer.c:198
#4  0xb1317a19 in gen6_emit_wm_state (ctx=0xaf2bc178, kernel=<value optimized out>) at i965_render.c:1808
#5  gen6_render_emit_states (ctx=0xaf2bc178, kernel=<value optimized out>) at i965_render.c:1894
#6  0xb1318f85 in gen6_render_put_surface (ctx=0xaf2bc178, surface=67108868, srcx=0, srcy=0, srcw=1280, srch=720, destx=0, desty=0, destw=940, desth=528, flag=0) at i965_render.c:1921
#7  intel_render_put_surface (ctx=0xaf2bc178, surface=67108868, srcx=0, srcy=0, srcw=1280, srch=720, destx=0, desty=0, destw=940, desth=528, flag=0) at i965_render.c:2020
#8  0xb131b082 in i965_PutSurface (ctx=0xaf2bc178, surface=67108868, draw=0x3e00007, srcx=0, srcy=0, srcw=1280, srch=720, destx=0, desty=0, destw=940, desth=528, cliprects=0x0, number_cliprects=0, flags=0) at i965_drv_video.c:1772
#9  0xb4902796 in vaPutSurface (dpy=0xaf2bc008, surface=67108868, draw=65011719, srcx=0, srcy=0, srcw=1280, srch=720, destx=0, desty=0, destw=940, desth=528, cliprects=0x0, number_cliprects=0, flags=0) at va_x11.c:288
#10 0xb490ad15 in gst_vaapi_window_x11_render (window=0xb0cc05f8, surface=0xa95bcc70, src_rect=0xa94fe988, dst_rect=0xaf246598, flags=3) at gstvaapiwindow_x11.c:424
#11 0xac25a820 in gst_vaapi_window_put_surface (window=0xb0cc05f8, surface=0xa95bcc70, src_rect=0xa94fe988, dst_rect=0xaf246598, flags=3) at gstvaapiwindow.c:506
#12 0xb492f2f4 in gst_vaapisink_show_frame_x11 (base_sink=0xaf2463d8, buffer=0xb65dd6a8) at gstvaapisink.c:680
#13 gst_vaapisink_show_frame (base_sink=0xaf2463d8, buffer=0xb65dd6a8) at gstvaapisink.c:714
#14 0x4d782435 in gst_base_sink_render_object (basesink=0xaf2463d8, pad=0xaf2ae998, is_list=0, obj=0xb65dd6a8) at gstbasesink.c:2833
#15 0x4d783eb7 in gst_base_sink_queue_object_unlocked (basesink=0xaf2463d8, pad=0xaf2ae998, is_list=0, obj=0xb65dd6a8, prerollable=1) at gstbasesink.c:3111
#16 0x4d78a599 in gst_base_sink_chain_unlocked (basesink=0xaf2463d8, pad=0xaf2ae998, is_list=0, obj=0xb65dd6a8) at gstbasesink.c:3485
#17 0x4d78aa99 in gst_base_sink_chain_main (basesink=<value optimized out>, pad=0xaf2ae998, is_list=0, obj=0xb65dd6a8) at gstbasesink.c:3523
#18 0x4cad55cd in gst_pad_chain_data_unchecked (pad=0xaf2ae998, is_buffer=1, data=0xb65dd6a8) at gstpad.c:4190
#19 0x4cad5fe7 in gst_pad_push_data (pad=0xace0c580, is_buffer=1, data=0xb65dd6a8) at gstpad.c:4419
#20 0xb493427a in gst_vaapidecode_step (pad=0xaf20a268, buf=0xa8313770) at gstvaapidecode.c:162
#21 gst_vaapidecode_chain (pad=0xaf20a268, buf=0xa8313770) at gstvaapidecode.c:536
#22 0x4cad55cd in gst_pad_chain_data_unchecked (pad=0xaf20a268, is_buffer=1, data=0xa8313770) at gstpad.c:4190
#23 0x4cad5fe7 in gst_pad_push_data (pad=0xaf2ae8d0, is_buffer=1, data=0xa8313770) at gstpad.c:4419
#24 0xb662ada6 in gst_queue_push_one (pad=0xaf2ae8d0) at gstqueue.c:1144
#25 gst_queue_loop (pad=0xaf2ae8d0) at gstqueue.c:1260
#26 0x4cb040f1 in gst_task_func (task=0xaf21f5a8) at gsttask.c:271
#27 0x4cb05727 in default_func (tdata=0xaf201a40, pool=0xb6509408) at gsttaskpool.c:70
#28 0x4b9e4214 in ?? () from /lib/libglib-2.0.so.0
#29 0x4b9e2210 in ?? () from /lib/libglib-2.0.so.0
#30 0x4b91b919 in start_thread () from /lib/libpthread.so.0
#31 0x4b85de5e in clone () from /lib/libc.so.6