Hello, did you have any luck with the ASUS support. I should have the same ASUS Prime X370-Pro. But when I enable IOMMU I am not able to boot, when the IOMMU is disable I have no problem to boot.
I am on BIOS 0511 and kernel 4.10.5 Tried with 0502, 0504 & 0511 BIOSes but no luck with any of them. Also tried with Fedora 25, 25 beta & Ubuntu 17.04 beta. Same behavior. Thanks Stano ------------------------------ - *From*: Nick Sarnie <commendsarnex gmail com> - *To*: Alex Williamson <alex l williamson gmail com> - *Cc*: vfio-users <vfio-users redhat com> - *Subject*: Re: [vfio-users] Ryzen/X370 Chipset and IOMMU Groups - *Date*: Fri, 10 Mar 2017 13:53:26 -0500 Yeah, that is unfortunate. Thanks for helping with this issue. I've sent a ticket to Asus, but I'm not expecting much. Then again, I felt the same way and Gigabyte actually sent me a fixed bios, so who knows. I'll keep you updated. Thanks again, Sarnex On Fri, Mar 10, 2017 at 1:37 PM, Alex Williamson <alex l williamson gmail com> wrote: > On Fri, Mar 10, 2017 at 11:05 AM, Nick Sarnie <commendsarnex gmail com> > wrote: > >> Hi Alex, >> >> I don't see either of the options. I couldn't find Common Options at all, >> and here's a screenshot of the CBS settings: >> >> https://i.imgur.com/9hQUHX0.jpg >> >> Is this something I should ask Asus to add? >> > > I suppose it wouldn't hurt to try to start the discussion with Asus. The > video I found was this one: > > https://youtu.be/pipR5xhrLo0?t=20 > > At that start time you can see an NBIO Common Options menu on an ASRock > system, but I never saw him open it and I couldn't find any documentation > on what might be in there in an asrock mb manual (not an endorsement for > asrock, perhaps they just have a BIOS more similar to the AMD sample > implementation). If AMD put it into a menu of debug options, it's really > no surprise that consumer firmware dropped it. Too bad. This feels like a > repeat of the difficulty we had trying to find motherboards that allowed > the IOMMU to be enabled when AMD-Vi came out. I wonder if AVIC requires > yet another BIOS option that consumers will need to gamble with. >
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