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    SubjectX and intelfb fight over videomode
    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?

    Re,
    David

    PS
    Please CC me on any replies

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