From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [BUG]  Problem Booting Xen 4.0.1 on 2.6.32.26/27
Date: Thu, 20 Jan 2011 14:26:01 -0500
Message-ID: <20110120192601.GB10001@dumpdata.com>
References: <4D36E0200200002600018535@hibbing.edu>
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To: Don Brearley <donbrearley@hibbing.edu>
Cc: xen-devel@lists.xensource.com
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On Wed, Jan 19, 2011 at 12:59:12PM -0600, Don Brearley wrote:
> Hello,
> 
> I'm attempting to boot Xen 4.0.1 on a SuperMicro H8DGi-F motherboard and
> having not much luck.  I can boot the 
> 2.6.32.26 (or .27) kernels alone, but when I add Xen into the mix, I get
> consistent boot failure.
> 
> I've tried Xen 4.0.1-release,  4.0.2-rc1-pre and 4.0.2-rc2-pre, all get
> the same failure. 
> 
> xen/next-2.6.37 works and boots great, but since netback isn't included
> in that yet, I am unable to actually use it
> for anything yet.

Whoa, it usually is the other way around..
> 
> Please feel free to contact me for further information.     Email is
> fine, I'm also on IRC in ##xen as "breardo".
> 
> Here is a log of the boot failure:  (Xen 4.0.1 on 2.6.32.26 / Debian
> Squeeze beta2) 
> 
> (XEN) Xen version 4.0.1 (root@hibbing.edu) (gcc version 4.4.5 (Debian
> 4.4.5-8) ) Wed Jan 19 12:23:59 CST 2011
> (XEN) Latest ChangeSet: Wed Aug 25 09:22:42 2010 +0100
> 21324:b536ebfba183
> (XEN) Bootloader: GRUB 1.98+20100804-11
> (XEN) Command line: dom0_mem=2048M loglvl=all guest_loglvl=all
> lapic=debug apic_verbosity=debug apic=debug iommu=off com2=115200,8n1
> console=com2

Also add 'console_sync' (or was it sync_console?). That should give us more data
and see whether the failure was ..
..
> [    0.036368]   allo(XEN) CPU counter reports 4094 correctable hardware
> errors that were not reported by the status MSRs

here or later on.