How do you get dom0 to interface with the PCI? I've followed all of these steps but xrandr still can't find other displays. On Tuesday, February 4, 2020 at 12:39:22 AM UTC-8 matt...@gmail.com wrote:
> hi, > > I got this working on my laptop (dual 4K monitors), but It’s complicated, > and compromised the security of dom0 (if that’s okay for you depends on > your reasons for using Qubes) > > I’ve sketched out the steps i took below, these intentionally are not step > by step instructions. It’s fragile and you will probably have to do some > debugging... > > - ensure that the USB3 controller that you plug the display link adapter > into is attached to Dom0 and not Sys-USB (I had to completely disable my > sys-usb wich breaks other stuff). > This opens up a huge attack surface on Dom0. Only do this if you trust > all the USB devices you’ll be plugging in... > > > - I needed to rebuild and install the display link and evdi RPMs. I > grabbed the latest src.rpm got each and then rpmbuild in Dom0 to get > installable packages (installing all the build and install dependencies > with Qubes-Dom0-update). > > This is a terrible idea, I should have used mock in a domU to build the > RPMs... it’s also not ideal to be installing an untrusted binary blob > (display link) in dom0 > > - (probably related to driving 16billion pixels...) I regularly have to > restart X before I can use the extra screens (stop all vms, remove the X > shared memory file, restart X, setup the extra screens, start the VMs as > needed) > > It’s probably possible to do this in a cleaner way, run display link in > the sys-usb qube and share the EVDI virtual frame buffer devices between > Dom0 and Sys-USB, but the later part is probably hard to get working > reliably... > > Hope this is helpful, > > ‘Tias > > > Sent from my iPhone > > On 3 Feb 2020, at 09:33, Omar Morando <omar.m...@hotmail.it> wrote: > > > > Hello, > I'm a Qubes user, I'm using version 4.0.1 on my Dell Inspiron 13 5378 with > I-7, 16 GB of RAM, 2 TB SSD and everything works well. > > I need to use a USB 3.0 HDMI converter for an external monitor, in > addition to the HDMI port built into the laptop. I have read a couple of > topics from Reddit about this RPM driver for Fedora but nobody has managed > to make it work: > https://github.com/displaylink-rpm/displaylink-rpm > <https://link.getmailspring.com/link/f9d61414-a16c-4879-bc7c-e9ee58896...@getmailspring.com/0?redirect=https%3A%2F%2Fgithub.com%2Fdisplaylink-rpm%2Fdisplaylink-rpm&recipient=cXViZXMtdXNlcnNAZ29vZ2xlZ3JvdXBzLmNvbQ%3D%3D> > Do you have any suggestions? Do you know if someone has managed to install > it or if there is a specific version for Qubes? Searching the net, I did > not find any other information. > If you give me support I can do tests that can then be made public for > other users. > Thank you > > > *Omar Morando* > E // omar.m...@hotmail.it > P // +39-348-4024361 <+39%20348%20402%204361> > [image: Sent from Mailspring] > > -- > 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...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/qubes-users/VI1PR10MB358157310B986B1CD7F2016FF8000%40VI1PR10MB3581.EURPRD10.PROD.OUTLOOK.COM > > <https://groups.google.com/d/msgid/qubes-users/VI1PR10MB358157310B986B1CD7F2016FF8000%40VI1PR10MB3581.EURPRD10.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer> > . > > -- 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 view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/51f66428-437b-4866-80aa-42763ab3d848n%40googlegroups.com.