On Thu, Jul 11, 2013 at 8:04 PM, Hans de Bruin <jmdebruin at xmsnet.nl> wrote: > somewhere before commit 496322b (yesterday's kernel) resolution switching on > my laptop broke. The screen switches to the right resolution but the screen > is not horizontally centered. The screen is aligned left and the last > vertical line is repeated until the right side of the screen. Normally there > would be black bars on left and right side. Can you please boot with drm.debug=0xe added to your kernel cmdline and then reply with your complete dmesg? Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch