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Date: Tue, 4 Sep 2007 06:51:38 +1000
From: "Alan E. Davis" <lngndvs@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] MCE in kernel
In-Reply-To: <20070903141357.2820d521@pascal.spore.ath.cx>
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Thank you.  I have solved the problem for now, but live in fear that there
is something untoward going in on my hardware.

Earlier on, this was intermittent.  I also wonder whether a register was set
or a cmos flag, because after I booted the Ubuntu partition, the machine did
boot with no complaint.  It hadn't been going on long, though.  Well, I
finally was able to boot using an earlier kernel with no MCE flag set, then
recompile a newer kernel without it.

I think your solution is the better one, though.

I did follow the instructions of the boot messages and installed an mce log
translation utility, but I didn't make sense of what to do with it.

Thank you again,

Alan

On 9/4/07, Dan Farrell <dan@spore.ath.cx> wrote:
>
> On Sat, 1 Sep 2007 11:08:27 +1000
> "Alan E. Davis" <lngndvs@gmail.com> wrote:
>
> > I have been unable to boot into my gentoo system due to a Machine
> > Check Exception.  This is an AMD 64 system.  MCE for AMD is enabled
> > in the kernel (2.6.21 gentoo-sources).
> >
> > I am unable to boot in to turn off MCE checking.
>
> did you know you can disable this at boot time?  Check it out:
>
> | $ grep mce /usr/src/linux/Documentation/kernel-parameters.txt
> |       mce             [IA-32] Machine Check Exception
> |       nomce           [IA-32] Machine Check Exception
>
> just add 'nomce' to your kernel boot line in grub and you should be able
> to boot with MCE turned of to reconfigure.
>                                         -- Dan
> --
> gentoo-user@gentoo.org mailing list
>
>


-- 
Alan Davis, Kagman High School, Saipan  lngndvs@gmail.com

"An inviscid theory of flow renders the screw useless, but the need for one
non-existent."
         ---Lord Raleigh (aka John William Strutt), or else his son,

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Thank you.&nbsp; I have solved the problem for now, but live in fear that there is something untoward going in on my hardware.<br><br>Earlier on, this was intermittent.&nbsp; I also wonder whether a register was set or a cmos flag, because after I booted the Ubuntu partition, the machine did boot with no complaint.&nbsp; It hadn&#39;t been going on long, though.&nbsp; Well, I finally was able to boot using an earlier kernel with no MCE flag set, then recompile a newer kernel without it.
<br><br>I think your solution is the better one, though.&nbsp; <br><br>I did follow the instructions of the boot messages and installed an mce log translation utility, but I didn&#39;t make sense of what to do with it.<br><br>
Thank you again,<br><br>Alan<br><br><div><span class="gmail_quote">On 9/4/07, <b class="gmail_sendername">Dan Farrell</b> &lt;<a href="mailto:dan@spore.ath.cx">dan@spore.ath.cx</a>&gt; wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Sat, 1 Sep 2007 11:08:27 +1000<br>&quot;Alan E. Davis&quot; &lt;<a href="mailto:lngndvs@gmail.com">lngndvs@gmail.com</a>&gt; wrote:<br><br>&gt; I have been unable to boot into my gentoo system due to a Machine<br>&gt; Check Exception.&nbsp;&nbsp;This is an AMD 64 system.&nbsp;&nbsp;MCE for AMD is enabled
<br>&gt; in the kernel (2.6.21 gentoo-sources).<br>&gt;<br>&gt; I am unable to boot in to turn off MCE checking.<br><br>did you know you can disable this at boot time?&nbsp;&nbsp;Check it out:<br><br>| $ grep mce /usr/src/linux/Documentation/kernel-
parameters.txt<br>|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mce&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [IA-32] Machine Check Exception<br>|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; nomce&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [IA-32] Machine Check Exception<br><br>just add &#39;nomce&#39; to your kernel boot line in grub and you should be able<br>
to boot with MCE turned of to reconfigure.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-- Dan<br>--<br><a href="mailto:gentoo-user@gentoo.org">gentoo-user@gentoo.org</a> mailing list<br><br></blockquote></div><br><br clear="all">
<br>-- <br>Alan Davis, Kagman High School, Saipan&nbsp;&nbsp;<a href="mailto:lngndvs@gmail.com">lngndvs@gmail.com</a>&nbsp;&nbsp;<br><br>&quot;An inviscid theory of flow renders the screw useless, but the need for one non-existent.&quot;&nbsp;&nbsp;&nbsp;&nbsp; 
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ---Lord Raleigh (aka John William Strutt), or else his son,

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