Re: no more MTRRs available ?

Stephan von Krawczynski
2003-01-29T15:36:32Z

On Wed, 29 Jan 2003 10:25:57 -0500 (EST)
Mark Hahn <hahn@physics.mcmaster.ca> wrote:

> > what exactly does
> >
> > mtrr: no more MTRRs available
> > mtrr: no more MTRRs available
> >
> > during boot mean? What can I do against this? This comes up while booting a
> > system with 6GB and P-III 1.4 GHz (Serverworks chipset). Kernel is 2.4.20.
>
> you need to look at /proc/mtrr.

Thanks for your hint, but what does this tell me?

# cat /proc/mtrr
reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1
reg01: base=0x80000000 (2048MB), size=1024MB: write-back, count=1
reg02: base=0xc0000000 (3072MB), size= 512MB: write-back, count=1
reg03: base=0xe0000000 (3584MB), size= 256MB: write-back, count=1
reg04: base=0xf0000000 (3840MB), size= 128MB: write-back, count=1
reg05: base=0xf7000000 (3952MB), size= 16MB: uncachable, count=1
reg06: base=0x100000000 (4096MB), size=4096MB: write-back, count=1
reg07: base=0x200000000 (8192MB), size=8192MB: write-back, count=1

--
Regards,
Stephan