From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Re: crash on boot Xen 4.0.1-rc1-pre &amp; kernel
	2.6.31.13-ga3e7c7b
Date: Wed, 26 May 2010 14:01:02 -0400
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To: James Harper <james.harper@bendigoit.com.au>
Cc: HePeng <xnhp0320@gmail.com>, xen-devel@lists.xensource.com
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On Wed, May 19, 2010 at 10:36:05PM +1000, James Harper wrote:
> > 
> > I had the same situation. I think you'd better check your udev
> > version. Mine is 095, and is too old for the kernel 2.6.31.13.
> > 
> > So I turn on the CONFIG_SYSFS_DEPRECATED_V2 options in kernel
> > config. and rebuilt the kernel.
> > 
> > And It's OK now.
> > 
> 
> Did that cause the same crash I described?

Hm, that crash looked to be happening before initrd is read (where the
SYSFS_DEPRE.. is required).

Do try the xen/stable-2.6.32.x. There were fixes put in there to fix
ACPI SCI interrupt handler problem. Can you also attach the full serial log?
I am curious under what IRQ the ACPI SCI is installed..