From: Joseph Fannin <jfannin@gmail.com>
To: "Bo Brantén" <bosse@acc.umu.se>
Cc: linux-kernel@vger.kernel.org, mpm@selenic.com
Subject: Re: x86_64 ten times slower than i386
Date: Mon, 5 Nov 2007 03:06:28 -0500 [thread overview]
Message-ID: <20071105080628.GA6313@nineveh.local> (raw)
In-Reply-To: <Pine.A41.4.64.0711032334170.770224@stalin.acc.umu.se>
On Sat, Nov 03, 2007 at 11:38:24PM +0100, Bo Brantén wrote:
> On Sat, 3 Nov 2007, Matt Mackall wrote:
>
>> This is typically due to a problem with the setup of your MTRRs. Try
>> booting with mem=nnnM where nnn is some number smaller than your
>> actual amount of memory.
>
> Thank you for that advice, the system has 4GB and if I boot with mem=3072M
> it will run as fast as normal
Also, check if a BIOS upgrade is available -- it's possible that a
newer BIOS will have fixed this.
--
Joseph Fannin
jfannin@gmail.com
next prev parent reply other threads:[~2007-11-05 8:06 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-03 12:31 x86_64 ten times slower than i386 Bo Brantén
2007-11-03 16:26 ` Matt Mackall
2007-11-03 22:38 ` Bo Brantén
2007-11-03 22:54 ` Matt Mackall
2007-11-03 23:30 ` H. Peter Anvin
2007-11-05 8:06 ` Joseph Fannin [this message]
2007-11-05 10:15 ` Bo Brantén
2007-11-05 16:00 ` Bo Brantén
2007-11-05 17:23 ` H. Peter Anvin
2007-11-05 18:46 ` Bo Brantén
2007-11-05 19:11 ` H. Peter Anvin
[not found] ` <2c0942db0711050832t5207ea8bib1f75e59e071ade2@mail.gmail.com>
2007-11-06 0:26 ` Andi Kleen
2007-11-06 1:19 ` H. Peter Anvin
2007-11-06 19:40 ` Willy Tarreau
2007-11-06 19:50 ` H. Peter Anvin
2007-11-06 19:53 ` Willy Tarreau
2007-11-07 18:38 ` Jesse Barnes
2007-11-10 13:41 ` Bo Brantén
2007-11-05 17:22 ` H. Peter Anvin
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