From: Forest Bond <forest@alittletooquiet.net>
To: kexec@lists.infradead.org
Cc: Chris Hovious <chris.hovious@logicsupply.com>
Subject: Re: kexec & memtest86+: inconsistent memory errors
Date: Tue, 28 Oct 2008 13:31:46 -0400 [thread overview]
Message-ID: <20081028173146.GA9750@storm.local.network> (raw)
In-Reply-To: <20081007182350.GD13130@storm.local.network>
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Hi,
On Tue, Oct 07, 2008 at 02:23:50PM -0400, Forest Bond wrote:
> We've been using kexec to drop into memtest86+ for a few years now. We run
> memtest86+ from within our Linux-based hardware test suite. This has always
> worked quite well. It was painful to get running at first (kexec was still
> young then and wasn't included with our distribution's kernel), but is very easy
> to use now.
>
> Unfortunately, though, we've hit a new snag with our latest platform version.
> This is based on Ubuntu 8.04.
>
> Specific software version info:
>
> kernel version 2.6.24-19-generic
> kexec-tools-testing 20070330 released 30th March 2007
> memtest86+ version 2.01
>
> The problem is that memtest86+ reports numerous memory errors when booted via
> kexec, booting directly into memtest86+ does not turn up these errors.
>
> I suspect a device is getting mapped into memory and not deallocated prior to
> kexec execution (but I may be putting my ignorance on display).
>
> Any ideas?
Can anyone confirm that my suspicions about this might be correct? Can anyone
recommend troubleshooting techniques?
Thanks,
Forest
--
Forest Bond
http://www.alittletooquiet.net
http://www.pytagsfs.org
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prev parent reply other threads:[~2008-10-28 17:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-07 18:23 kexec & memtest86+: inconsistent memory errors Forest Bond
2008-10-28 17:31 ` Forest Bond [this message]
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