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From: "F. P. Beekhof" <fpbeekhof@gmail.com>
To: Borislav Petkov <bp@amd64.org>
Cc: Borislav Petkov <bp@alien8.de>,
	Mikael Pettersson <mikpe@it.uu.se>,
	"linux-ide@vger.kernel.org" <linux-ide@vger.kernel.org>
Subject: Re: Machine check exception
Date: Sun, 31 Jul 2011 17:56:33 +0200	[thread overview]
Message-ID: <4E357B31.8070906@gmail.com> (raw)
In-Reply-To: <20110731120944.GA17348@aftab>


>> I found that one can enable ECC on ram in the bios, which I did. As
>> far as I know, this is non-ECC ram, so frankly I'm at a loss about
>
> Maybe the BIOS is not properly detecting whether DRAM is ECC or not.
> Normally, if it is not, it should simply remove the option to enable ECC
> from the menu.
>
> To check what the hw says, do
>
> $ setpci -s 18.3 0x44.l
>
> as root and send me the result pls.
>

$ sudo setpci -s 18.3 0x44.l
00400040

> I'd suggest you run your system at full swing and watch it for signs of
> trouble a couple of days longer just in case.

Ok.

>> Are there any conclusions that can be drawn from this experiment ?
>
> Yeah, it means that your BIOS doesn't seem to have the fix for erratum
> #131: http://support.amd.com/us/Processor_TechDocs/25759.pdf, page 83.

So, this is not a problem with the promise-sata driver as I originally 
suspected. I guess then we can take this discussion off the linux-ide 
list...

> I don't know whether there is BIOS for your ancient CPU :-) and if there
> were, whether upgrading it won't break something else.
>
> If I were you, I'd run the automated script hooks and don't care about
> upgrade... provided we don't see any other hickups that is and provided
> we manage to automate them so that you don't have to boot into recovery
> console every time.
>
> Let me know how it all plays out.

Will do! Many thanks!

> HTH.
>


  reply	other threads:[~2011-07-31 15:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-27 11:05 Machine check exception F. P. Beekhof
2011-07-27 13:03 ` Borislav Petkov
2011-07-27 15:31   ` F. P. Beekhof
2011-07-27 17:03     ` Borislav Petkov
2011-07-27 20:54       ` F. P. Beekhof
2011-07-27 21:30         ` F. P. Beekhof
2011-07-28  7:47           ` Borislav Petkov
2011-07-31  8:22             ` F. P. Beekhof
2011-07-31 12:09               ` Borislav Petkov
2011-07-31 15:56                 ` F. P. Beekhof [this message]
2011-08-01  8:48                   ` Borislav Petkov

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