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SubjectX and intelfb fight over videomode
Using the information from this thread:

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?


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