On Tuesday, May 16, 2017 at 1:35:20 AM UTC-4, Bjoern Christoph wrote: > 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.
Thanks for looking into this though. I'm starting to part out a system that will be specifically for Qubes usage and I'm very interested in the new AMD chips. -- 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 qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/81bfbbe5-f063-41da-a45a-52bba3de4015%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
