#0  0x00007fffa2935509 in ?? () from /usr/lib64/libvdpau_nvidia.so
#1  0x00007fffa29359c2 in ?? () from /usr/lib64/libvdpau_nvidia.so
#2  0x00007fffa295b20a in ?? () from /usr/lib64/libvdpau_nvidia.so
#3  0x00007fffa2961654 in ?? () from /usr/lib64/libvdpau_nvidia.so
#4  0x00007fffa294d9ae in ?? () from /usr/lib64/libvdpau_nvidia.so
#5  0x00007fffa293caf1 in ?? () from /usr/lib64/libvdpau_nvidia.so
#6  0x00007fffa2dd96db in ?? () from /usr/lib64/va/drivers/nvidia_drv_video.so
#7  0x00007fffa4488fc5 in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#8  0x00007fffa4489109 in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#9  0x00007fffa449ff42 in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#10 0x00007fffa449fd9d in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#11 0x00007fffa448a484 in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#12 0x00007fffa449fd9d in ?? () from /usr/lib64/libgstvaapi-1.4.so.1
#13 0x00007fffa47093c6 in ?? () from /usr/lib64/gstreamer-1.0/libgstvaapi.so
#14 0x00007fffa470a717 in ?? () from /usr/lib64/gstreamer-1.0/libgstvaapi.so
#15 0x00007fffaafcfed2 in ?? () from /usr/lib64/libgstvideo-1.0.so.0
#16 0x00007fffbe446be2 in gst_element_change_state ()
   from /usr/lib64/libgstreamer-1.0.so.0
#17 0x00007fffbe4472a4 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#18 0x00007fffabdbc6b5 in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#19 0x00007fffabdbc9e2 in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#20 0x00007fffabdbc432 in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#21 0x00007fffabdbcf70 in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#22 0x00007fffbe446be2 in gst_element_change_state ()
   from /usr/lib64/libgstreamer-1.0.so.0
#23 0x00007fffbe4472a4 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#24 0x00007fffbe42ad09 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#25 0x00007fffabdc838d in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#26 0x00007fffbe446be2 in gst_element_change_state ()
   from /usr/lib64/libgstreamer-1.0.so.0
#27 0x00007fffbe4472a4 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#28 0x00007fffbe42ad09 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#29 0x00007fffbe465903 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#30 0x00007fffabdcfd49 in ?? () from /usr/lib64/gstreamer-1.0/libgstplayback.so
#31 0x00007fffbe446be2 in gst_element_change_state ()
   from /usr/lib64/libgstreamer-1.0.so.0
#32 0x00007fffbe446dd2 in gst_element_change_state ()
   from /usr/lib64/libgstreamer-1.0.so.0
#33 0x00007fffbe4472a4 in ?? () from /usr/lib64/libgstreamer-1.0.so.0
#34 0x00007ffff361a087 in mozilla::GStreamerReader::Shutdown (
    this=0x7fffce52ec00)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/dom/media/gstreamer/GStreamerReader.cpp:194
#35 0x00007ffff3590a78 in mozilla::MediaDecoderStateMachine::ShutdownReader (
    this=0x7fffd6f9ec00)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/dom/media/MediaDecoderStateMachine.cpp:2815
#36 0x00007ffff3598edf in nsRunnableMethodImpl<void (mozilla::MediaDecoderStateMachine::*)(), void, true>::Run (this=<optimized out>)
    at ../../dist/include/nsThreadUtils.h:386
#37 0x00007ffff3590bd6 in mozilla::MediaTaskQueue::Runner::Run (
    this=0x7fffafe13280)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/dom/media/MediaTaskQueue.cpp:230
#38 0x00007ffff278874d in nsThreadPool::Run (this=0x7fffb77dd000)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/xpcom/threads/nsThreadPool.cpp:225
#39 0x00007ffff278685b in nsThread::ProcessNextEvent (this=0x7fffc4f35540, 
    aMayWait=<optimized out>, aResult=0x7fffd0dfdda7)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/xpcom/threads/nsThread.cpp:855
#40 0x00007ffff279d6db in NS_ProcessNextEvent (aThread=<optimized out>, 
    aMayWait=<optimized out>)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/xpcom/glue/nsThreadUtils.cpp:265
#41 0x00007ffff296c7f2 in mozilla::ipc::MessagePumpForNonMainThreads::Run (
    this=0x7fffc4f38d40, aDelegate=0x7fffc04f9440)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/ipc/glue/MessagePump.cpp:339
#42 0x00007ffff29564ed in RunHandler (this=0x7fffc04f9440)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/ipc/chromium/src/base/message_loop.cc:226
#43 MessageLoop::Run (this=this@entry=0x7fffc04f9440)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/ipc/chromium/src/base/message_loop.cc:200
#44 0x00007ffff278a725 in nsThread::ThreadFunc (aArg=0x7fffc4f35540)
    at /var/tmp/portage/www-client/firefox-38.0.1/work/mozilla-release/xpcom/threads/nsThread.cpp:356
#45 0x00007ffff15877fb in ?? () from /usr/lib64/libnspr4.so
#46 0x00007ffff7bc72a4 in start_thread () from /lib64/libpthread.so.0
#47 0x00007ffff710493d in clone () from /lib64/libc.so.6