From: Peter Humphrey <peter@humphrey.ukfsn.org>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] dmesg warning about mtrr: type mismatch and allocation failed
Date: Fri, 20 Aug 2010 00:24:25 +0100 [thread overview]
Message-ID: <201008200024.25681.peter@humphrey.ukfsn.org> (raw)
In-Reply-To: <AANLkTinmZrOgK6yu7OwUvQ0Dw0unPfKUMHkZxxnd+FNX@mail.gmail.com>
On Thursday 19 August 2010 22:43:19 Paul Hartman wrote:
> I think, from the error you posted about originally, it's just
> letting you know: "Hey, your MTRR was set wrong and we've changed it
> for you". So changing it would simply make the message go away but
> not actually perform any differently because you'd be setting it to
> the same value it is auto-correcting it to anyway. Or that's how I
> understand it, at least.
I thought that too, until I looked a bit more closely and saw this:
[ 0.608643] mtrr: type mismatch for d0000000,10000000 old: write-back
new: write-combining
[ 0.608725] [drm] MTRR allocation failed. Graphics performance may
suffer.
"failed" seems ominous. No wonder Walter asked advice.
--
Rgds
Peter. Linux Counter 5290, 1994-04-23.
prev parent reply other threads:[~2010-08-19 23:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-15 23:27 [gentoo-user] dmesg warning about mtrr: type mismatch and allocation failed Walter Dnes
2010-08-16 22:28 ` [gentoo-user] " walt
2010-08-17 2:48 ` Walter Dnes
2010-08-16 22:55 ` [gentoo-user] " Paul Hartman
2010-08-19 11:37 ` Walter Dnes
2010-08-19 14:47 ` Bill Longman
2010-08-19 21:32 ` Mick
2010-08-19 21:43 ` Paul Hartman
2010-08-19 23:24 ` Peter Humphrey [this message]
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