linux-kernel - Re: Memory issues with Opteron 6220

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Date:	Thu, 9 Feb 2012 08:11:04 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	aowi@...ozymes.com, Ingo Molnar <mingo@...e.hu>,
	Andreas Herrmann <herrmann.der.user@...glemail.com>,
	"JK (Jesper Agerbo Krogh)" <JK@...ozymes.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Tejun Heo <tj@...nel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: Memory issues with Opteron 6220

On Thu, Feb 9, 2012 at 5:49 AM, Anders Ossowicki <aowi@...ozymes.com> wrote:
> On Thu, Feb 09, 2012 at 02:28:25PM +0100, Ingo Molnar wrote:
>> Your bootlog says:
>>
>> [    0.330000] Performance Events: Broken BIOS detected, complain to your hardware vendor.
>> [    0.330000] [Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR c0010200 is 1430076)
>>
>> Do you get that message if DBPM is enabled?
>
> It's there with System DBPM, OS DBPM and with power management disabled (i.e.
> set to maximum performance).

mtrr setting has some problem too.

[    3.098277] mtrr: your CPUs had inconsistent fixed MTRR settings
[    3.100001] mtrr: probably your BIOS does not setup all CPUs.
[    3.110000] mtrr: corrected configuration.

can you boot with "debug ignore_loglevel show_msr=16" ?

Yinghai
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