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RE: [Xen-devel] VT-d Problem with Xen

To: Qubes OS FH Hannover <qubes.fhh@xxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] VT-d Problem with Xen
From: "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>
Date: Fri, 22 Oct 2010 09:25:37 +0800
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Thread-topic: [Xen-devel] VT-d Problem with Xen

which version of xen you used? Did xen crash without iommu=1 when vt-d enabled? If you can post the panic info, it would be more helpful.


best regards



From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Qubes OS FH Hannover
Sent: Monday, October 18, 2010 5:11 PM
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] VT-d Problem with Xen


Dear Xen Developers,

I installed Qubes OS using Xen Hypevisor on my PC which contains an Intel i5 750 Processor.
In BIOS the VT-d support is enabled, but while booting my system xen crashes.
I already tried the boot  parameters iommu=pv and iommu=workaround_bios_bug, but without any improvement.
The message xen shows when crashed is:

    Panic on CPU 0
    fatal page fault
    error code [0000]

Please let me know if you need any further information from me, regarding my system.

Many thanks,

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