Re: Problems with framebuffer in 2.6.22-git17

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On 26/07/07, Antonino A. Daplas <[email protected]> wrote:

>
> I'm also confused. Can you change the color depth to 32 bpp ('fbset
> -depth 32')?  I'm thinking of a possible pseudo_palette overrun.
>

The code behaves in exactly the same way with the bit depth set to 32
and without the patch reversion (ie forces a reboot).

With the parch reverted there is a flicker of output on the screen
before a reboot is forced (it will boot with 16bpp though the colour
is a bit iffy)

With the patch reverted and 24bpp, it oopses before freezing (with two
odd looking boot logos on the screen):

[    1.485628] Console: switching to colour frame buffer device 80x30
[    1.553925] Unable to handle kernel paging request at virtual
address 55ff5504
[    1.562351] pc = 8c0033a0
[    1.565402] Unable to handle kernel paging request at virtual
address 0c1e8688
[    1.573784] pc = 8c00b9e2
[    1.576833] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.585205] pc = 8c00b9e2
[    1.588258] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.596641] pc = 8c00b9e2
[    1.599688] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.608069] pc = 8c00b9e2
[    1.611117] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.619488] pc = 8c00b9e2
[    1.622549] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.630927] pc = 8c00b9e2
[    1.633979] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.642370] pc = 8c00b9e2
[    1.645421] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.653793] pc = 8c00b9e2
[    1.656854] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.665226] pc = 8c00b9e2
[    1.668273] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.676664] pc = 8c00b9e2
[    1.679715] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.688086] pc = 8c00b9e2
[    1.691191] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.699557] pc = 8c00b9e2
[    1.702603] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.710988] pc = 8c00b9e2
[    1.714036] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.722408] pc = 8c00b9e2
[    1.725468] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.733837] pc = 8c00b9e2
[    1.736884] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.745270] pc = 8c00b9e2
[    1.748314] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.756696] pc = 8c00b9e2
[    1.759745] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.768111] pc = 8c00b9e2
[    1.771155] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.779538] pc = 8c00b9e2
[    1.782584] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.790997] pc = 8c00b9e2
[    1.794045] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.802452] pc = 8c00b9e2
[    1.805500] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.813888] pc = 8c00b9e2
[    1.816937] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.825326] pc = 8c00b9e2
[    1.828378] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.836753] pc = 8c00b9e2
[    1.839846] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.848215] pc = 8c00b9e2
[    1.851263] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.859649] pc = 8c00b9e2
[    1.862695] Unable to handle kernel paging request at virtual
address 0c1e81ec
[    1.871066] pc = 8c00b9e2


In short all versions of the driver seem to be broken in some way, but
it won't boot at all unless the patch is reverted
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