znalazłem coś takiego:
https://bugzilla.novell.com/show_bug.cgi?id=678264#c29 (https://bugzilla.novell.com/show_bug.cgi?id=678264#c29)
- disabled KMS by adding 'nomodeset' to boot options.
- add the following section to your /etc/X11/xorg.conf.d/50-device.conf
Section "Module"
Disable "dri"
Disable "dri2"
EndSection