Description of problem: Xorg crashes while in KDE loading screen first time it starts. It restarts than and loads KDE successfully. Version-Release number of selected component (if applicable): xorg-x11-server-Xorg-1.13.3-3.fc18.x86_64 xorg-x11-drv-ati-7.1.0-5.20130408git6e74aacc5.fc18.x86_64 How reproducible: Always. Steps to Reproduce: 1. Log in in KDE login screen. 2. KDE component loading screen shows. Actual results: It stalls and subsequently crashes Xorg after or while loading the first KDE component icon on the loading screen. Then it restarts Xorg and KDE and boots into KDE successfully. Expected results: KDE loading screen progressively displays all 5 or 6 icons of loaded components and then switches to the desktop.
Created attachment 813533 [details] Backtrace of Xorg.
Created attachment 813535 [details] lspci
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