Iceweasel Aurora 33.0 pegs the CPU after viewing YouTube video.

Tim Allen screwtape at froup.com
Thu Jul 31 12:36:49 UTC 2014


A few days ago apt upgraded my Iceweasel installation to version
33.0~a2+20140725004002-1. Mostly it's working well, but whenever I view
a YouTube video, it spawns a thread that jumps to use 100% of a CPU
core.

Steps to reproduce:

1. mkdir -p /tmp/test-profile
2. iceweasel -no-remote -profile /tmp/test-profile
3. Visit a YouTube video, like http://www.youtube.com/watch?v=rp03AorAWLY
4. While the video plays, everything is fine.
5. When the video reaches the end and stops, top(1) shows that
   "iceweasel" is using 105% CPU.
6. htop(1) shows that a thread named "Media Decode #1" is using 100%
   CPU.
7. Click the "close" button on the window frame to close Iceweasel.
8. Check top(1) and htop(1) again, see that iceweasel and/or Media
   Decode #1 are still hogging a CPU core. The Iceweasel process doesn't
   exit.
9. Hitting ^C in the terminal where Iceweasel was started, or sending it
   SIGTERM shuts it down nicely.

Thanks again for all your work maintaining these packages!



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