Public bug reported:

when loading pages with animated gifs wtih gstreamer-vaapi packages
installed, firefox crashes with the following stacktrace:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f3411cda700 (LWP 13488)]
__memcpy_sse2_unaligned ()
    at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:79
79      ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S: No such file or 
directory.
(gdb) bt
#0  __memcpy_sse2_unaligned ()
    at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:79
#1  0x00007f3426f6dac7 in _XRead () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#2  0x00007f33d7d94672 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#3  0x00007f33d7d1cad1 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#4  0x00007f33d7d1cce2 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#5  0x00007f33d7d4821a in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#6  0x00007f33d7d8a9a4 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#7  0x00007f33d7d375ce in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#8  0x00007f33d7d25620 in ?? () from /usr/lib/vdpau/libvdpau_nvidia.so.1
#9  0x00007f33d82f36d0 in ?? ()
   from /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
#10 0x00007f33dbc168c5 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#11 0x00007f33dbc16a19 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#12 0x00007f33dbc2d592 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#13 0x00007f33dbc2d4cf in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#14 0x00007f33dbc17db4 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#15 0x00007f33dbc2d4cf in ?? ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstvaapi-1.4.so.0
#16 0x00007f33dccd837e in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
#17 0x00007f33dccd8430 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi.so
#18 0x00007f33e9855404 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#19 0x00007f33e985d378 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#20 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007f33e9ab9ce6 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#24 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#27 0x00007f33e9a9c9fc in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#28 0x00007f33dd57e223 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#29 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#32 0x00007f33e9ab9ce6 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#33 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007f33e9a9c9fc in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#37 0x00007f33de1c6d56 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi_parse.so
#38 0x00007f33e9f5452e in ?? ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#39 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#40 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#41 0x00007f33e00caf13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#42 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#43 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#44 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#45 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#46 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#47 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#48 0x00007f33df4707e2 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstisomp4.so
#49 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#50 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#51 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#52 0x00007f33e00df12f in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#53 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#54 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#55 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#56 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#57 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#58 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#59 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#60 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#61 0x00007f33e9f5d6cc in gst_pad_push_event ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#62 0x00007f33e9aae4bf in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#63 0x00007f33e9aaead0 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#64 0x00007f33e9aacab1 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#65 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#66 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#67 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#68 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#69 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#70 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#71 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#72 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#73 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#74 0x00007f33e00de994 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#75 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#76 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#77 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#78 0x00007f33df4625e6 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstisomp4.so
#79 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#80 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#81 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#82 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#83 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#84 0x00007f33e9f5d6cc in gst_pad_push_event ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#85 0x00007f33e9a98277 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#86 0x00007f33de1c6b3c in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvaapi_parse.so
#87 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#88 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#89 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#90 0x00007f33e9aba2ea in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#91 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#92 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#93 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#94 0x00007f33e9a98277 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#95 0x00007f33dd57fa0c in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
---Type <return> to continue, or q <return> to quit---
#96 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#97 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#98 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#99 0x00007f33e9aba2ea in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#100 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#101 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#102 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#103 0x00007f33e985a297 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#104 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#105 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#106 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#107 0x00007f33e9f5da13 in ?? ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#108 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#109 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#110 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#111 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#112 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#113 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#114 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#115 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#116 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#117 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#118 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#119 0x00007f33e00c21e3 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#120 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#121 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#122 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#123 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#124 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#125 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#126 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#127 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#128 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#129 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#130 0x00007f33e9f5a8ae in gst_pad_forward ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#131 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#132 0x00007f33e09e630a in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#133 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#134 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#135 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#136 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#137 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#138 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#139 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#140 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#141 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#142 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#143 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#144 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#145 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#146 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#147 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#148 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#149 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#150 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#151 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#152 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#153 0x00007f33e9f5d6cc in gst_pad_push_event ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#154 0x00007f33e9aba2ea in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#155 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#156 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#157 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#158 0x00007f33e9aba2ea in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#159 0x00007f33d73c4ea1 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoscale.so
#160 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#161 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#162 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#163 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#164 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#165 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#166 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#167 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#168 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#169 0x00007f33e9f5da13 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#170 0x00007f33e9f5a8ae in gst_pad_forward ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#171 0x00007f33e9f5aa03 in gst_pad_event_default ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#172 0x00007f33e9f5452e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#173 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#174 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#175 0x00007f33e9aba2ea in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#176 0x00007f33e9f5452e in ?? ()
---Type <return> to continue, or q <return> to quit---
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#177 0x00007f33e9f54d96 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#178 0x00007f33e9f5d6cc in gst_pad_push_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#179 0x00007f33e9aa5457 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#180 0x00007f33e9f3fb29 in gst_element_send_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#181 0x00007f33e9f22f76 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#182 0x00007f33e9f3fb29 in gst_element_send_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#183 0x00007f33e9f22f76 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#184 0x00007f33e9f3fb29 in gst_element_send_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#185 0x00007f33e09d1222 in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#186 0x00007f33e09d145f in ?? ()
   from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#187 0x00007f33e9f3fb29 in gst_element_send_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
---Type <return> to continue, or q <return> to quit---
#188 0x00007f33e9f22f76 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#189 0x00007f33e9f3fb29 in gst_element_send_event ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#190 0x00007f33e9f8a334 in gst_element_seek_simple ()
   from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#191 0x00007f342be17424 in ?? () from /usr/lib/firefox/libxul.so
#192 0x00007f342bdd1d72 in ?? () from /usr/lib/firefox/libxul.so
#193 0x00007f342bdcc109 in ?? () from /usr/lib/firefox/libxul.so
#194 0x00007f342bddea67 in ?? () from /usr/lib/firefox/libxul.so
#195 0x00007f342b119ab8 in ?? () from /usr/lib/firefox/libxul.so
#196 0x00007f342b117636 in ?? () from /usr/lib/firefox/libxul.so
#197 0x00007f342b0d4445 in ?? () from /usr/lib/firefox/libxul.so
#198 0x00007f342b2c39d1 in ?? () from /usr/lib/firefox/libxul.so
#199 0x00007f342b2b5837 in ?? () from /usr/lib/firefox/libxul.so
#200 0x00007f342b118003 in ?? () from /usr/lib/firefox/libxul.so
#201 0x00007f342ffe8898 in ?? () from /usr/lib/firefox/libnspr4.so
#202 0x00007f34309940a5 in start_thread (arg=0x7f3411cda700)
    at pthread_create.c:309
#203 0x00007f34306c184d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: gstreamer1.0-vaapi (not installed)
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Nov 21 08:41:48 2014
InstallationDate: Installed on 2014-02-24 (269 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140218)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: gstreamer-vaapi
UpgradeStatus: Upgraded to utopic on 2014-08-17 (95 days ago)

** Affects: gstreamer-vaapi (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug utopic

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https://bugs.launchpad.net/bugs/1395070

Title:
  gstreamer-vaapi + nvidia driver causes firefox to crash on animated
  gifs / video tags

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