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Re: [Xen-users] xen i/o errors

To: Kacper <kacper@xxxxxxxxx>

From: Casey DeLorme <cdelorme@xxxxxxxxx>

Date: Mon, 11 Jun 2012 19:14:00 -0400

Cc: xen-users@xxxxxxxxxxxxx

Delivery-date: Mon, 11 Jun 2012 23:18:29 +0000

List-id: Xen user discussion <xen-users.lists.xen.org>

Thanks, that helped me begin looking for you.

Unfortunately going on these posts your hardware may not work with Xen out of the box:

No responses to a 2010 post is not promising, but the second of the two archived messages states that there is no hardware virtualization on the PowerEdge 2600.

Not sure where to proceed from here, I have never used server hardware.

On Mon, Jun 11, 2012 at 7:00 PM, Kacper <kacper@xxxxxxxxx> wrote:

Thanks,

Let's see now.

Xen version: xen-hypervisor-4.0-i386 (4.0.1-4)
Kernel: 3.2+44~bpo60+1 (debian squeeze backport)

It was all installed using apt-get (eg. the package manager).

The system I have xen troubles with is a Dell PowerEdge 2600 (32-bit,
2 x 1 Xeon. no Intel Vt-d) with a via_sata controller and two sata
drives.

Intel IOMMU, doesn't that require Intel Vt-d?

Please let me know if there is more information I can provide.

On Tue, Jun 12, 2012 at 12:40 AM, Casey DeLorme <cdelorme@xxxxxxxxx> wrote:

> Hello,
>
> Additional information about your hardware might help others debug the
> situation.
>
> What version of Xen are you using? Are you compiling or is it from the
> package manager?
>
>
> I have experienced a DMA READ issue before but I have no idea if it is
> relative to your configuration. Something to do with a Marvell SATA
> controller and intel's IOMMU, which was optional when compiling the kernel
> but required fror VT-d/IOMMU Passthrough.
>
> I don't know if that is much help to you, but feel free to add more system
> information to help everyone debug.
>
> ~Casey
>
> On Mon, Jun 11, 2012 at 4:59 AM, Kacper <kacper@xxxxxxxxx> wrote:
>>
>> Hello,
>> I've been trying to setup xen on Debian Squeeze but it isn't going that
>> well.
>> When booting with the xen/hypervisor kernel the system hangs with i/o
>> errors thrown in console. The standard kernel is working fine and the
>> disk has been tested and swapped.
>> Errors include:
>> ata1.00: failed command: READ DMA
>> task xend:1404 blocked for more than 120 seconds
>> Buffer I/O error on device sda1
>> end_request: I/O error, dev sda
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxx
>> http://lists.xen.org/xen-users
>
>

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