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extremely slow display (11.2 & ATI mobility radeon)

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linux-howto

http://forums.opensuse.org – Hi, I've just installed 11.2 over 10.3 (I kept my old /home). Any displaying is now very slow (both in Gnome & Xfce): e.g. if I bring up a hidden window to front, it takes up to several seconds for its content to show. Even scrolling text in a terminal is darn slow, and Xorg jumps to ~100% cpu usage then. Possibly relevant differences between my previous system and the new one: - my 10.3 was 32-bit, the new 11.2 is 64-bit. - under 10.3 I had the ATI driver installed, but my video card is now legacy and the driver is not compatible with the current version of Xorg. - under 10.3 I had a xorg.conf file. From another thread the OP was asked to run: lspci -k Here it gives: 01:00.0 VGA compatible controller: ATI Technologies Inc M64-S [Mobility Radeon X2300] Subsystem: Hewlett-Packard Company 6910p with *no* "Kernel driver in use:" line! Any help is appreciated. (Distributions)