Ubuntu
xserver-xorg-video-ati package

  1. Bug #195051
  2. Comment #56

Comment 56 for bug 195051

Revision history for this message
Sergio Zanchetta (primes2h) wrote : Re: X freezes in drmCommandWrite() when Compiz is enabled on ATI Radeon Mobility 9600

So, if this lock ups affects newer cards, why Bug #201330 has been marked as "won't fix", since compiz has ALWAYS worked nice for older cards? (cards that are not supported by proprietary driver).
It would be nice to whitelist them, no lock ups reported...