... when i click on web link in firefox. sometimes, smimilar error happens when i resume my machine from sleep.
Created attachment 364960 [details] messages
Created attachment 364961 [details] Xorg.0.log
Created attachment 364962 [details] dmesg
abrt should catch it!!!
it happens 100% time when i go to "http://www.investor.rts.ru/" 20:40 msk 15 oct 2009.
Since this bugzilla report was filed, there have been several major updates in various components of the Xorg system, which may have resolved this issue. Users who have experienced this problem are encouraged to upgrade their system to the latest version of their packages (at least F12Beta, but even better if the very latest versions). Please, if you experience this problem on the up-to-date system, let us now in the comment for this bug, or whether the upgraded system works for you. If you won't be able to reply in one month, I will have to close this bug as INSUFFICIENT_DATA. Thank you. [This is a bulk message for all open Fedora Rawhide Xorg-related bugs. I'm adding myself to the CC list for each bug, so I'll see any comments you make after this and do my best to make sure every issue gets proper attention.]
i confirm this issue for f12 with last updates. i forgot to mention this is UMS boot (nomodeset), KMS was fine.
This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle. Changing version to '12'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
*** This bug has been marked as a duplicate of bug 533973 ***