On Sun, Jun 30, 2013 at 12:04:19PM -0400, gizmochicken wrote: > > That is not entirely true, since xenserver 6.2 still uses Xen 4.1 but is > > updated to 4.1.5, which indeed is more restrictive/bug free when it comes to > > pci passthrough. > > I stand corrected with regard to the version of Xen employed by > XenServer 6.2. But in any case, I'd welcome a configurable option > that would allow me to add back a "bug" that would allow me to use PCI > passthrough with XenServer 6.2 on my Asus M5A99FX Pro 2.0 in the way > that I could use it with XCP 1.6. > > Is there any way to dial back XenServer 6.2's more strict requirement > for an error free IVRS table? >
Are you hitting the Intel Errata that causes Xen to disable IOMMU ? If yes, you can pass "iommu=no-intremap,verbose" option to Xen hypervisor. See the Xen dmesg for more information about IOMMU status. -- Pasi _______________________________________________ Xen-api mailing list Xen-api@lists.xen.org http://lists.xen.org/cgi-bin/mailman/listinfo/xen-api