Hi all,

it would be handy to switch to a TTY and analyse the compiz (and other)
process carefully. Check to see if it's using much more memory than
before hanging, or CPU.

Most important would be to attach a debugger and see where compiz is
hung (if at all):

sudo gdb /usr/bin/compiz `pidof compiz`
(gdb) bt 

I'll give that a go if I get the time soon enough.

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https://bugs.launchpad.net/bugs/966744

Title:
  Resume from suspend leaves me with black screen or a screen of the
  desktop before it suspended (though the mouse still moves/changes
  cursor)

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