Am Montag, 15. Mai 2017 23:00:25 UTC+2 schrieb Grzesiek Chodzicki: > W dniu poniedziałek, 15 maja 2017 21:24:30 UTC+2 użytkownik Bjoern Christoph > napisał: > > Hi all, > > > > Attached are the HCL results of my Ryzen system. > > > > It did NOT work out of the box on Qubes - IOMMU was not available. However, > > Ubuntu stated it's working (BIOS IOMMU looks great) so I played around a > > bit. > > > > Basically, two things are needed for working IOMMU in Xen used by Qubes: > > 1) Update Xen with an IOMMU patch from AMD > > 2) Update Xen with family 17h == Ryzen > > > > For step 1): Apply this patch (part or Xen 4.8.0): > > https://patchwork.kernel.org/patch/9145119/ > > > > For step 2): xen/arch/x86/oprofile/nmi_int.c - Create a "case 0x17:" entry > > which is the same as "case 0x15:" > > > > I installed Qubes, then proceeded as described to compile Qubes from > > scratch. Before I did "make vmm-xen" I changed the above files within the > > xen*.gz file. After that, I moved the files to dom0 and forced a reinstall > > of the RPM files. > > > > Rebooted and voila, you can see the resul in the files :) Now I can get a > > TPM I guess ;) > > > > I posted this nmi_int.c patch also on the xen-devel mailing list, let's see > > if it's enough for them. > > > > Maybe these two patches can be added to Qubes 3.2 (if they work properly). > > Not sure if there is anything else I can do to test if IOMMU is working > > properly, if something is there to test that please let me know! > > > > Cheers, > > Bjoern > > Does PCI passthrough work for Windows VMs now that IOMMU is enabled?
Ok, it's NOT working after all. Trying to install a HVM causes a reboot... so I guess there is more work left there after all. You can ignore the HCL report then as well. -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/29b1a82a-0d42-495e-b9a1-2377f5bbc1a1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
