On bleeding edge Fedora 12 beta, the Xorg X server version is called: xorg-x11-server-Xorg-1.6.99.902-1.fc12.x86_64 and following behaviour got worse with lattest update on this file without any change on the actual display card driver: xorg-x11-drv-ati-6.13.0-0.4.20090908git651fe5a47.fc12.x86_64 This will lead to system hangup after a few hours of mouse activity. This may be partly due to ati/radeon driver, as with radeonhd driver this card shows everything in interesting ways of pixel hash, but radeon/ati used not to. Notable detail is that this PCIe card has 512 MB of video memory, but only 256 MB aperture for mmio. Screenshot attached now, Xorg.0.log soon.
Created attachment 29786 [details] Screenshot showing pixel hashes
Created attachment 29787 [details] Xorg.0.log
Is this still an issue with a newer kernel and driver?
Apparently not. I have not seen this issue with this server: xorg-x11-server-Xorg-1.9.0-15.fc15.x86_64
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