Problem with Matrox G450 and X.org 7.2

[Kay Lehmann]

Hello,

I agree that this is a problem of mga_hal. I had a similar error with my 
G400 and I needed mga_hal to use 2 monitors. I switched back to the 
original driver from xorg and now I can use the card with just 1 monitor 
but at my normal resolution of 1280x1024.

Greets,
Kay

Hagen Kühl wrote:
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> Gary Jennejohn schrieb:
>
>   
>> OK, dumb question. Have you tried 16 bits at 1280x1024?
>>
>> Looking at the output from Xorg in the log file I can't see any obvious
>> reason why it shouldn't work.
>>     
>
> That's my main problem - I can't find a real reason too.
> Yes I tried 16Bit, I even tried turning on and off most of the options
> for the graphics card.
> I had a similar problem with xorg-6.9, which was caused bei the mga_hal
> module, but then the error message directed me to the problem.
>
> To speak simple, I think either the mode is really to much for my
> monitor (but its maximum/optimum is 1280x1024 at 75Hz) or for the G450 with
> this driver.
>
> Maybe these lines from the log have something to do with it:
>
> Requesting insufficient memory window!: start: 0xeee00000 end:
> 0xefefffff size 0x2000000
> (EE) Cannot find empty range to map base to
> (WW) MGA(0): Video BIOS info block not detected!
>
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