From: Joerg Diederich <dieder@ibr.cs.tu-bs.de>
To: dpw@doc.ic.ac.uk
Cc: rct@gherkin.sa.wlk.com, davej@suse.de, linux-kernel@vger.kernel.org
Subject: Re: another Cyrix/mtrr problem?
Date: Fri, 16 Mar 2001 08:15:09 +0100 [thread overview]
Message-ID: <200103160715.IAA00963@kelts.ibr.cs.tu-bs.de> (raw)
In-Reply-To: <y7ru24wuffy.fsf@sytry.doc.ic.ac.uk> (message from David Wragg on 14 Mar 2001 22:57:21 +0000)
In-Reply-To: <m14d1KU-0005khC@gherkin.sa.wlk.com> <y7ru24wuffy.fsf@sytry.doc.ic.ac.uk>
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
prev parent reply other threads:[~2001-03-16 7:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-13 19:20 Bob_Tracy
2001-03-14 0:20 ` davej
2001-03-14 2:48 ` Bob_Tracy
2001-03-14 22:57 ` David Wragg
2001-03-15 13:34 ` Bob_Tracy
2001-03-16 7:15 ` Joerg Diederich [this message]
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