[Xen-devel] VT-d Problem with Xen

[Qubes OS FH Hannover <qubes.fhh@xxxxxxxxxxxxxx>]

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,
Steve
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