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Re: [Xen-devel] dom0 USB failing with "ehci-pci: probe of 0000:00:1d.0 faile

>>> On 20.05.14 at 18:25, <mike@xxxxxxxxx> wrote:
> I've added iommu=debug to the XEN CMD Line under grub.
> Attached is the xl dmesg log and system dmesg.

Okay, this at least clarifies there is a (relatively big) RMRR. There is
a change to the handling of these among the ones that'll become
4.3.3 - mind giving
a try on top of your 4.3.2 (or trying the tip of the stable-4.3 branch)?

> What else did I miss that could be useful info?

At least the resolution of these addresses

(XEN) traps.c:3061: GPF (0000): ffff82c4c0186a91 -> ffff82c4c0218daa
(XEN) traps.c:3061: GPF (0000): ffff82c4c0186a91 -> ffff82c4c0218daa

into (symbol,offset) pairs, so we can at least make a first guess at
whether these are in any way related to your problem.


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