Well, that's good info - suggests perhaps some change in -fglrx since
Gutsy caused the problem. One thing to test would be to downgrade your
-fglrx driver to the version shipped in Gutsy. If the bug is an fglrx
bug, then it *should* go away. If it does, then it would be worthwhile
to install each intermediary -fglrx between Gutsy's version and now, to
see which fglrx was the first to fail. If it doesn't, it may be due to
poor interaction with other software, or might be an issue in the kernel
or x server.
One thing I suspect, that's different between Gutsy and Hardy, is the x
server now automatically turns on some modules that it didn't back in
version 1.3. Another debugging approach could be to experiment with
turning off some of these modules one by one, to see if that makes the
issue go away.
It would be helpful if everyone experiencing this problem would report
their card's PCI ID (or just attach your /var/log/Xorg.0.log), in case
we need to blacklist something.
** Changed in: linux-restricted-modules-2.6.24 (Ubuntu)
Importance: Undecided => High
Status: Incomplete => Triaged
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[fglrx] Ati x1600Pro White screen on active desktop fx
https://bugs.launchpad.net/bugs/196900
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