Re: another Cyrix/mtrr problem?

Joerg Diederich
2001-03-16T07:16:25Z

Hi David,

David Wragg writes:

+> rct@gherkin.sa.wlk.com (Bob_Tracy) writes:
+>> Unfortunately, when I execute
+>>
+>> echo "base=0xd8000000 size=0x100000 type=write-combining" >|
+>> /proc/mtrr
+>>
+>> I get a 2MB region instead of the 1MB region I expected...

+> Oops, it got broken by the MTRR >32-bit support in 2.4.0-testX.
+> The patch below should fix it.

+> Joerg, I think this might well fix your Cyrix mtrr problem also.

Indeed, it does. XFree 4 does create a region with the right size and
even setting the mtrr manually works perfectly. Although only tested
one evening, there were no 'no mtrr found for...' messages in the
syslog anymore.

Thankx a lot,

/J"org