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[Bug 513950] Re: [lucid] xorg froze after disabled KMS and enabling compiz on ATI Radeon Mobility 7500

 

My desktop is 1400x1050. Attached is a png that causes X to reliably
hang the desktop with XAA (no xorg.conf), radeon.modeset=0 and compiz
(opening by double clicking the png on the Desktop, which opens eog).
The png is 1400x1050. After the hang the display is totally unusable,
but I can ssh in. Stopping and starting gdm has no affect.

After rebooting and enabling EXA (using radeon.modeset=0 and compiz), X
does not hang, but is painfully slow, as mentioned in bug #513956.

As a side note, if I logged in with EXA but without compiz, started
firefox and then tried to enable compiz, I could not ("Desktop effects
could not be enabled"). I had to close firefox first to successfully
enable compiz. There was nothing interesting in dmesg or Xorg.0.log to
try to debug this.

** Attachment added: "1400x1050 png crasher"
   http://launchpadlibrarian.net/38927662/513950.png

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[lucid] xorg froze after disabled KMS and enabling compiz on ATI Radeon Mobility 7500
https://bugs.launchpad.net/bugs/513950
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