From: Yinghai Lu <yinghai@kernel.org>
To: "Morten P.D. Stevens" <mstevens@win-professional.com>
Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Arjan van de Ven <arjan@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 on IBM x3400
Date: Wed, 11 Feb 2009 10:52:04 -0800 [thread overview]
Message-ID: <49931E54.7000305@kernel.org> (raw)
In-Reply-To: <B4ED8DE8E195E84A872496A085BC07822F2A@exchange01.corp.win-professional.com>
Morten P.D. Stevens wrote:
> Hi,
>
>> so there is some problem with your BIOS, please ask the vendor to
>> provide one to make
>> 2.6.24 happy.
>
> I'll report the issue to the IBM support.
>
> on our IBM x3400 servers running RHEL the same output:
>
> 2.6.18-92.1.10.el5 #
>
> reg00: base=0xc0000000 (3072MB), size=1024MB: uncachable, count=1
> reg01: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1
> reg02: base=0x100000000 (4096MB), size=1024MB: write-back, count=1
> reg03: base=0xbff80000 (3071MB), size=196608MB: uncachable, count=1
so that bios need to be fixed too.
>
> and in dmesg:
>
> mtrr: type mismatch for d0000000,1000000 old: uncachable new:
> write-combining
want add one entry for xwindow with your display card.
>
>
> Is this a big problem for direct usage? The performance on these servers
> is still fine...?
x window could be some slow.
YH
next prev parent reply other threads:[~2009-02-11 18:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-08 1:43 warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 on IBM x3400 Morten P.D. Stevens
2009-02-09 15:50 ` Morten P.D. Stevens
2009-02-09 23:45 ` Ingo Molnar
2009-02-10 0:25 ` AW: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with2.6.29-rc3 " Morten P.D. Stevens
2009-02-10 2:40 ` warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 " Yinghai Lu
2009-02-10 16:21 ` Morten P.D. Stevens
2009-02-10 18:52 ` Yinghai Lu
2009-02-10 20:34 ` Morten P.D. Stevens
2009-02-10 20:45 ` Yinghai Lu
2009-02-10 21:19 ` Morten P.D. Stevens
2009-02-11 5:06 ` Yinghai Lu
2009-02-11 16:01 ` Morten P.D. Stevens
2009-02-11 18:52 ` Yinghai Lu [this message]
2009-03-29 16:03 ` Morten P.D. Stevens
2009-03-29 19:17 ` Yinghai Lu
2009-02-11 10:43 ` Ingo Molnar
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