On Thu, Dec 28, 2000 at 03:54:52AM -0800, Mike Smith wrote:
> >
> > Are there any known issues with MTRR on early K7's?
What do you mean with 'early'?
CPU: AMD Athlon(tm) Processor (756.41-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x621 Stepping = 1
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory = 134152192 (131008K bytes)
avail memory = 126918656 (123944K bytes)
Preloaded elf kernel "kernel" at 0xc0397000.
Pentium Pro MTRR support enabled
works great for me on 4-stable and a G200. XFree 4.x
> I'm not aware of any, no. A cursory read of the current Linux MTRR code
> doesn't suggest that they treat them specially either.
>
> > Using XFree86 4.0.x
> > on an early 550 Mhz K7 (equipped with 256Megs of sdram) causes this
> > machine to lock up, unless I comment out the K7 mtrr enabling stuff in
> > i686_mem.c. This happens with any VGA card that I drop in the box, (PCI
> > bus voodoo4, a Rage IIc ATI card, and the Matrox G400).
--
Wilko Bulte Arnhem, the Netherlands
[EMAIL PROTECTED] http://www.freebsd.org http://www.nlfug.nl
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