On Oct 21, 2015 08:54, "Miguel A. Rojas" <mianro...@gmail.com> wrote: > > On 10/21/2015 12:22 AM, Luca Boccassi wrote: >>> >>> Hi Miguel, >>> >>> The reason I'm asking is because I can't reproduce any problems on GDM, >>> with any software that uses GLX or other libraries, after adding the >>> workaround. >>> >>> But I noticed something looking again at the system info you forwarded, >>> the only user in the "video" group is sddm: >>> >>> video:x:44:sddm >>> >>> I verified yesterday that even on GDM both the DM-manager user (in my >>> case Debian-gdm) AND my user MUST be in the video group, otherwise the >>> problem occurs. >>> >>> Could you please try to add your user to the video group and see if that >>> helps? > > And it seems that works like a charm! It seems KDE only needs sddm and your user to be included in the video group. No more panics or black screens. > > Good shot!
Happy to hear that. Now we now that not only gdm, but also kde has that requirement when the device nodes have restrictive permissions. >> We are still discussing and investigating that. It is not a new upstream >> requirement but a fix to the device nodes permissions that we are trying >> out, but it seems to be causing way too much grief. Please see this >> message by Andreas [1] for more details about the background. >> >> Kind regards, >> Luca Boccassi > > I am sorry, I don't see the message from Andreas your are referring to. That's because I forgot to paste the URL :-) http://lists.alioth.debian.org/pipermail/pkg-nvidia-devel/2015-October/011948.html Kind regards, Luca Boccassi