[Xen-bugs] [Bug 1644] xen does not boot when iommu is on after upgrading to xen 4.0.1-rc5 from rc3

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1644





------- Comment #4 from konrad.wilk@xxxxxxxxxx  2010-12-09 09:18 -------
What motherboard? What is the lspci output? Does baremetal Linux kernel boot
with VT-d enabled? Have you tried to boot without x2apic? ("x2apic=off" on Xen
hypervisor line)?


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