Messages in this thread | | | Date | Thu, 17 Nov 2005 09:11:53 +0800 | From | "Antonino A. Daplas" <> | Subject | Re: X and intelfb fight over videomode |
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David Härdeman wrote: > Using the information from this thread: > http://marc.theaimsgroup.com/?t=112593256400003&r=1&w=2 > > I've now compiled a kernel with the intelfb and fbcon drivers linked in > (no other fb drivers). By booting the kernel with vga=0x318 I get a > 1024x768@16bpp console and drm/agp also seems happy. > > However, as soon as X starts, the following message is printed to the > kernel log: > > mtrr: base(0xe0020000) is not aligned on a size(0x300000) boundary > [drm:drm_unlock] *ERROR* Process 3013 using kernel context 0 > > Everything seems to work in X though. The first time that I switch from > X to a vc, the screen stays black for a few seconds before I get the VC > and then I get this: > > intelfb: Changing the video mode is not supported. > intelfb: ring buffer : space: 61488 wanted 65472 > intelfb: lockup - turning off hardware acceleration > > I have X set to also use 1024x768@16bpp, what else do I need to do to > make sure that intelfb and X play nice together? >
Try booting with video=intelfb:1024x768-16@60,mtrr=0. Do not include the vga=0x318 option. This prevents intelfb from changing the videomode.
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