Re: e820 and shared VGA memory problem

[Dave Jones]

On Thu, Nov 18, 2004 at 10:20:48PM +0100, Magnus Damm wrote:

 > So, the CMOS setup, the BIOS changelog, the e820 data all seem to
 > think that 16 MiB are used as VGA RAM. But I suspect that the extreme
 > slowdowns are because 32 MiB VGA RAM is used.  Any ideas? Is the BIOS
 > funky, or are we doing something wrong in the kernel?

In the past such problems have been attributed to BIOS's not
setting up MTRRs correctly, or in extreme situations, running
out of available MTRRS.  How does /proc/mtrr look ?

		Dave
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