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I'm observing corruption in X in form of displaced rectangular parts usually on the KDE desktop, but sometimes with seamonkey for example. This problem does not appears too often. In fact I've seen it from Fedora 14 onward, but it appens maybe 1-2 times per day and the workaround I'm using is to open Desktop Settings and apply them to refresh the desktop picture. Usually it happens to Seamonkey buttons too, where putting the mouse on some button adds a frame around it. Version-Release number of selected component (if applicable): xorg-x11-server-Xorg-1.10.2-1.fc15.i686 xorg-x11-drv-intel-2.15.0-3.fc15.i686 libdrm-2.4.26-1.fc15.i686 Kernel is custom 2.6.39.1, but it happens with all kernels that can run on Fedora 14 and Fedora 15 (2.6.32+). I think it is kms related, because I was using intel driver from Fedora 13 on Fedora 14, which allowed me to run without kms and this problem did not appeared there. With Fedora 15 I've decided to test the new X and intel driver, but the problem appears again. Reproducing is a bit difficult. It happens sometimes when I'm closing the last window on the current desktop - for example pidgin pressing right button over the icon, then close. If I try it again it does not happens until some time has passed. Before I've seen something different which I'm not sure if it is related, but anyway - moving the mouse over the task manager over some task from the list, the popup showing info for the program sometimes will erase a part of the desktop that is not covered by this popup.
Created attachment 509618 [details] Xorg.0.log
Created attachment 509619 [details] xorg.conf
Created attachment 509620 [details] lspci output
Created attachment 509621 [details] dmesg output
Created attachment 509624 [details] desktop corruption in form of rectangulars with exchanged places
Created attachment 509626 [details] Seamonkey buttons corruption
Have the same problem with several applications, first to get corrupted is chrome. Seems to have started for me with Fedora 15, I update the system daily, so I'm up to the latest stable of whatever rpms are in play here. My graphics card is a built-in Intel 82945G/GZ. I can usually refresh back to normal.
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