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Re: [Xen-devel] phy disks and vifs timing out in DomU

To: Anthony Wright <anthony@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] phy disks and vifs timing out in DomU
From: Todd Deshane <todd.deshane@xxxxxxx>
Date: Thu, 28 Jul 2011 15:46:49 +0000
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On Thu, Jul 28, 2011 at 3:36 PM, Anthony Wright <anthony@xxxxxxxxxxxxxxx> wrote:
> On 28/07/2011 16:01, Todd Deshane wrote:
>> On Thu, Jul 28, 2011 at 7:24 AM, Anthony Wright <anthony@xxxxxxxxxxxxxxx> 
>> wrote:
>>> I have a 32 bit 3.0 Dom0 kernel running Xen 4.1. I am trying to run a 32 
>>> bit PV DomU with two tap:aio disks, two phy disks & 1 vif. The two tap:aio 
>>> disks are working fine, but the phy disks and the vif don't work and I get 
>>> the following error messages from the DomU kernel during boot:
>>> [    1.783658] Using IPI No-Shortcut mode
>>> [   11.880061] XENBUS: Timeout connecting to device: device/vbd/51729 
>>> (state 3)
>>> [   11.880072] XENBUS: Timeout connecting to device: device/vbd/51745 
>>> (state 3)
>>> [   11.880079] XENBUS: Timeout connecting to device: device/vif/0 (state 0)
>>> [   11.880146] md: Waiting for all devices to be available before autodetect
>>> The DomU VM runs linux version and has worked perfectly on other 
>>> systems running a 2.6.18 kernel under Xen 3.4.
>>> Any ideas?
>> You should post your domU config file. Maybe the problem is some
>> syntax change from Xen 3.4 to Xen 4.1 or from 2.6.18 kernel to 3.0
>> kernel.
>> Thanks,
>> Todd
> I've attached the Dom0 & the DomU kernel configs. Dom0 is running linux
> 3.0, DomU is running linux

I meant the domU guest configuration file (the xm/xl one). I meant
that you might be specifying the disk line incorrectly.

> I'm somewhat surprised that the DomU kernel should be important since I
> know it runs under Xen 3.4. Does this mean that to upgrade from Xen 3.4
> to 4.1 I've also got to upgrade all my VMs?

Todd Deshane

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