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Re: sx164 with mga2 probs, noaccel required?

> "Gregory P. Smith" <greg@electricrain.com> writes:
> > I've got an SX164 running woody with a matrox millenium II (2164w)
> > w/ 8MB.  Using the xserver-xfree86 4.1 package I can get X to run
> > but I get screen corruption/messiness towards the bottom of the
> > screen when running anything that draws a lot (first noticed with a
> > web browser [galeon], then confirmed to be an X issue by running
> > ghostview).  Another interesting bit is that regular X stuff is
> > corrupted towards the bottom of the screen if I turn use 24 bit
> > color rather than 16 bit.  I'm currently using 1152x864 resolution.
> Hmm, weird, I have very similar effects with a Permedia 2 card
> (Diamond FireGL) on my SX164. The server detects 8mb, the symptoms go
> away when I force video memory to 4mb or turn off accel. I'm not sure
> how much memory the card actually has, so I thought it was just
> misdetecting the size, but perhaps it's actually a more generic SX164
> quirk...
> Anyway, I suggest forcing video memory to something smaller, perhaps
> it helps you, too.

Thanks.  That worked.  I forced it to 4096 instead of 8192 and its now
working without problems.

for reference, here's my lspci -v info from the card:

00:07.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2164W [Millennium II] (prog-if 00 [VGA])
        Subsystem: Matrox Graphics, Inc.: Unknown device 2007
        Flags: bus master, medium devsel, latency 32, IRQ 26
        Memory at 0000000009000000 (32-bit, prefetchable) [size=16M]
        Memory at 000000000a8a0000 (32-bit, non-prefetchable) [size=16K]
        Memory at 000000000a000000 (32-bit, non-prefetchable) [size=8M]
        Expansion ROM at 000000000a890000 [disabled] [size=64K]

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