Re: secondary graphic card has no memory

[Vojtech P. <vo...@su...>]

On Wed, Sep 22, 2004 at 10:07:14AM +0300, Aivils wrote:

> > lspci -v shows
> > ....
> > 00:0a.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2064W  
> > [Millennium]
> > (rev 01) (prog-if 00 [VGA])
> >         Flags: stepping, medium devsel, IRQ 18
> >         Memory at <ignored> (32-bit, non-prefetchable) [disabled]
> >         Memory at <ignored> (32-bit, prefetchable) [disabled]
> > ....
> > 01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX  
> > 5200] (rev a1) (prog-if 00 [VGA])
> >         Flags: bus master, 66Mhz, medium devsel, latency 248, IRQ 16
> >         Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
> >         Memory at f0000000 (32-bit, prefetchable) [size=128M]
> >         Expansion ROM at feae0000 [disabled] [size=128K]
> >         Capabilities: [60] Power Management version 2
> >         Capabilities: [44] AGP version 3.0
> 
> This may interest hairspliters in  the Linux kernel mailing list.
> Cause is not linux-ruby and not XFree86.
> 1) You can try 2.6.8
> 2) Drop milenium into waste box.

It's a mainboard BIOS issue. Happens on many x86-64 mainboards with two
VGA cards installed - only the first one gets resources assigned. I'm
not yet sure why the kernel can't fix that, but at the moment it can't.

> I heard about DIP swiches on the old matrox video cards.
> In one state of dip switch video card is primary. Only when
> dip switch is in the right state, then video card works as secondary.
> But Your card is relative new.
 
It happens with my MGA G400 PCI as well.

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR