[Bug 1521789] Re: firefox freezes with GStreamer-WARNING **: External plugin loader failed.

[skomorokh]

I ran into this myself. From the above it looks like you use apparmor
too so it's probably the same problem I had---Firefox uses GStreamer and
15.10 shipped a new version which changes the path. Try running your
browser unconfined to see if it fixes the problem and then use complain
mode to identify which files you need to give it access to. For me it
was these:

/usr/lib/x86_64-linux-gnu/gstreamer1.0/gstreamer-1.0/gst-plugin-scanner
/home/myuser/.cache/gstreamer-1.0/registry.x86_64.bin

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https://bugs.launchpad.net/bugs/1521789

Title:
  firefox freezes with GStreamer-WARNING **: External plugin loader
  failed.

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