Bonjour Youssef, Sorry, I don't have the answer to your quetion, but I'm interested by your use case. Did you document your setup somewhere?
On 09/04/2020 13:35, Youssef GHORBAL wrote: > Hello, > > I have a special use case in an HPC environement when we want to run > Xorg for 3D acceleration purposes only (basically creating GL contexts) > It's what VirtualGL[0] uses to render (server side) GL accelerated apps. > > When a user is allocated a slot on an HPC compute node with a GPU card, > we expect it to be able to run an Xorg (under his identity) bound to the GPU > card allocated to him. > > I think the rootless Xorg topic was alread discussed elsewhere in > different distrib channels (Arch, Ubuntu etc) but it was always under the > assumtion that we needed a fullly featured Xorg (with displays, input > devices, etc) whereas in my use case I just want an Xorg screen for GLX. > > For now, I can't run Xorg without handing it a tty, so I have to > preallocate a tty for a user (and manage the permissions on it) and since > Xorg is not able to access input devices I have this message (but Xorg starts > neverthelss): > > xf86EnableIOPorts: failed to set IOPL for I/O (Operation not permitted) > > My questions would be: > - Is there any way/trick to avoid allocating a tty for Xorg (and thus > avoid managing tty allocations and permissions)? (maybe this does'nt make > sense at all) > - Is there any way/trick to avoid Xorg to probe for any input devices > at all? > > Thank you for your help. > > Youssef Ghorbal > > [0] https://virtualgl.org/vgldoc/2_2_1/x11transport.png > _______________________________________________ > xorg@lists.x.org: X.Org support > Archives: http://lists.freedesktop.org/archives/xorg > Info: https://lists.x.org/mailman/listinfo/xorg > Your subscription address: %(user_address)s > _______________________________________________ xorg@lists.x.org: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s