linux-kernel - Re: 3.2.35 problem with M5A97 PRO ram: bad_page free_pages_prepare mem

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Message-ID: <kcj877$d31$1@ger.gmane.org>
Date:	Wed, 09 Jan 2013 09:02:49 +0100
From:	"lkml@...usoft.pl" <lkml@...usoft.pl>
To:	linux-kernel@...r.kernel.org
Subject: Re: 3.2.35 problem with M5A97 PRO ram: bad_page free_pages_prepare
 mem_init

On 08/01/13 16:59, Borislav Petkov wrote:
> On Tue, Jan 08, 2013 at 01:21:26AM +0100, lkml@...usoft.pl wrote:
>> On 08/01/13 01:13, lkml@...usoft.pl wrote:
>>
>>> linux kernel
>>> 3.2.0-0.bpo.4-rt-amd64 #1 SMP PREEMPT RT Debian 3.2.35-2~bpo60+1 x86_64
>>> GNU/Linux
>>
>> will post later how it behaves on vanilla 3.2.36 and 3.7.1
> 
> Yes, also, if your DRAM supports ECC, try enabling it in the BIOS.
> This board should support ECC. Then, enable CONFIG_EDAC_AMD64 and
> CONFIG_EDAC_DECODE_MCE to check whether it catches any DRAM errors.
> 
> If your DRAM is non-ECC, try consecutively swapping out a DIMM each time
> and booting to see whether removing one of the DIMMs makes the errors go
> away.
> 
> HTH.
> 

Thank you;
On vanilla 3.2.36 there is the same problem.

Also problems happen on each boot so not random memory error, but I will
try to swap rams, run memtest and so on.

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