From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: Kernel aio bug in Debian 2.6.32-5-xen kernel?
Date: Mon, 7 May 2012 17:48:19 +0200
Message-ID: <20120507154819.GA30760@aepfle.de>
References: <CAFLBxZZjaRprdo_-ADpyB1bmfOW2zxTjaDCcSTFL90wNMLX4Vg@mail.gmail.com>
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To: George Dunlap <George.Dunlap@eu.citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Stefano Stabellini <stefano.stabellini@citrix.com>, xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

On Thu, Apr 26, George Dunlap wrote:

> Recently I pulled in new changesets from xen- and qemu-unstable, and
> when creating a PV guest I'm getting errors like the stack trace
> below.  Is this likely to be caused by QEMU using AIO?  It this a bug
> in Xen or in the Debian kernel?  Is there an easy way to turn off aio
> using a config file so I can see if it is qemu's aio?

I also hit bugs in the nfs code paths with the SuSE kernels.
Try 'device_model_version="qemu-xen-traditional"' in your .cfg file.
See changeset 25222:a095e157f280.

Olaf