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Description of the problem: When I connect a external monitor to my Thinkpad T400 with the ATI Radeon HD 3400 active, first everything works fine (dual-head), but sometimes randomly X11 starts to hang. The only thing that I can do then is move the cursor around, but neither click anything nor open a terminal via keyboard shortcuts. The only solution I found is to reboot... Everything works fine if I use the laptops internal monitor only. Version-Release number of selected component (if applicable): radeon driver kernel: Linux version 2.6.31.5-127.fc12.i686.PAE Desktop Environment: KDE 4.4.2 Screen resolution: 1440x900 & 1280x1024 How reproducible: connect Thinkpad to a docking station connect your DVI monitor to the dock reboot log on to KDE open firefox surf the web watch X11 crash
Please re-test using an up-to-date Kernel (kernel-2.6.32.11-99.fc12). Also: * Do you have desktop-effects enabled in KDE? * Does it also crash when using gnome? * Do you have mesa-dri-drivers-experimental installed?
I activated Kernel 2.6.32.11-99.fc12.i686.PAE in GRUB and rebooted. Anyway X11 crashed. The external screen went black and the laptop screen went completely red, yellow and some other colors, too. It also crashes when I use gnome. I think desktop effects are not enabled in KDE. mesa-dri-drivers-experimental is not installed.
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Fedora 12 changed to end-of-life (EOL) status on 2010-12-02. Fedora 12 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.