From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: Kernel bug from 3.0 (was phy disks and vifs timing
	out in DomU)
Date: Fri, 19 Aug 2011 08:56:15 -0400
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To: Anthony Wright <anthony@overnetdata.com>
Cc: Ian Campbell <Ian.Campbell@eu.citrix.com>, Todd Deshane <todd.deshane@xen.org>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
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On Fri, Aug 19, 2011 at 11:22:15AM +0100, Anthony Wright wrote:
> On 03/08/2011 16:28, Konrad Rzeszutek Wilk wrote:
> > On Fri, Jul 29, 2011 at 08:53:02AM +0100, Anthony Wright wrote:
> >> I've just upgraded to xen 4.1.1 with a stock 3.0 kernel on dom0 (with
> >> the vga-support patch backported). I can't get my DomU's to work due to
> >> the phy disks and vifs timing out in DomU and looking through my logs
> >> this morning I'm getting a consistent kernel bug report with xen
> >> mentioned at the top of the stack trace and vifdisconnect mentioned on
> > Yikes! Ian any ideas what to try?
> >
> > Anthony, can you compile the kernel with debug=y and when this happens
> > see what 'xl dmesg' gives? Also there is also the 'xl debug-keys g' which
> > should dump the grants in use.. that might help a bit.
> I've compiled a 3.0.1 kernel with CONFIG_DEBUG=Y (a number of other
> config values appeared at this point, and I took defaults for them).
> 
> The output from /var/log/messages & 'xl dmesg' is attached. There was no
> output from 'xl debug-keys g'.

Ok, so I am hitting this too - I was hoping that the patch from Stefano
would have fixed the issue, but sadly it did not.

Let me (I am traveling right now) see if I can come up with an internim
solution until Ian comes with the right fix.