On Friday, July 21, 2017 at 2:21:25 PM UTC-4, Foppe de Haan wrote: > On Friday, July 21, 2017 at 7:48:53 PM UTC+2, Fun Zork wrote: > > On Friday, July 21, 2017 at 3:36:42 AM UTC-4, Foppe de Haan wrote: > > > 4k in dom0 shouldn't be an issue at all, though using a 1080 for that is > > > a bit wasteful. I'd suggest getting like an rx550 (or a HD 7750, like I > > > had lying around) for use in dom0, and passing the GTX 1080 through to a > > > VM (perhaps after updating the kernel to self-built 4.11?). I did not > > > have much success with passthrough when I still had my gtx 950, but I'm a > > > linux n00b, and that got in the way of troubleshooting. > > > > > > The installation issues are due to the installer being somewhat older > > > (and including a 4.4-based kernel); they may be resolved with the 3.2.1. > > > release. > > > > Thanks for your help. > > > > Yeah, I wouldn't get a 1080 just for this purpose, that's just what I > > already have in my desktop, but I've been unable to get it to work with > > Qubes at all. I have tried both the proprietary driver and nouveau on the > > default kernel, and the newest kernels in both unstable and > > current-testing, but no luck. From the threads I've seen, it sounds like > > nobody has managed to get it to work at all- not just passthrough, it won't > > load X at all. My intent with this thread isn't to troubleshoot those > > issues. Unless somebody actually has gotten it working, I'm ready to give > > up on that one. So, I'm thinking about buying a second, cheap, card that > > works with Qubes that can support 4k resolutions. > I see. It may work once rtiangha gets around to adding 4.12 support to his > github qubes kernel repo (-> > https://groups.google.com/forum/#!topic/qubes-users/yBeUJPwKwHM ), but yeah, > finnicky. > > I was thinking about getting a card like the rx550, but the Qubes > > documentation says that it does not support the 550 because AMD GPU wasn't > > supported until after kernel 4.4. If I went with a 550, are you thinking I > > would update to the current-testing kernel and that would get it working? > > Are you pretty confident in that? If not, maybe I'll go with the 7750 or > > similar, since you know for sure that that works. > 4.9 is very likely to support the rx 550 (since support for most other > Polaris cards was also added/improved in 4.9), but I can't find anything > definitive (and the Rx 550 is actually the latest Polaris card in the > lineup), so the 7750 is probably a safer bet, if returning the 550 is > non-trivial.
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