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SubjectRe: Matrox framebuffer
On 10 Oct 00 at 15:33, Daniel Podlejski wrote:
> I have problem with Matrox G400 framebuffer. After turn
> on computer, kernel freez durning boot with snow on my monitor.
> When I start it with options video=matrox:disbled, and run XFree86
> 4.0.1 with official drivers from Matrox web page, and reboot my
> computer again - everything works fine.

Strange.

> 01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA])
> Subsystem: Matrox Graphics, Inc. Millennium G400 16Mb SGRAM
> Flags: medium devsel, IRQ 11
> Memory at 42000000 (32-bit, prefetchable) [size=32M]
> Memory at 40800000 (32-bit, non-prefetchable) [size=16K]
> Memory at 40000000 (32-bit, non-prefetchable) [size=8M]

These addresses looks suspicious to me. Do you have Phoenix BIOS? Or did
Linux kernel assign them to device?

Can you try 'video=matrox:init,sgram', eventually
'video=matrox:init,sgram,memtype:X', where X is 0,1,2 or 4 ? (see
Documentation/fb/matroxfb.txt for memtype explanation; if your G400
is expandable to 32MB, it is type 0 or 4; if it is not expandable,
it is memtype 1 or 2)

Best regards,
Petr Vandrovec
vandrove@vc.cvut.cz

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