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[Xen-devel] FreeBSD Dom0 IOMMU issues

Hello all,

I have been working with Roger Pau Monnà to bring FreeBSD Dom0 support
to a production-ready state but we appear to have hit an IOMMU issue.

Hardware: Lenovo ThinkPad T420 i7-2640M CPU @ 2.80GHz with 16GB RAM.

I am attaching my console logs which first show my loader.conf file the
DomU .cfg file and then DomU boot with Xorg starting.

In the end I get:

(XEN) ****************************************
(XEN) Panic on CPU 2:
(XEN) queue invalidate wait descriptor was not executed
(XEN) ****************************************

Please let me know if you want me to try any configuration changes.

Michael Dexter

Attachment: xenpanic.txt
Description: Text document

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