Re: F27: cannot open a Plasma session (after upgrade from F25)

[Ed Greshko]

On 01/09/18 05:55, Felix Miata wrote:
>  Frédéric composed on 2018-01-08 15:41 (UTC+0100):
>
> > when I type /usr/sbin/fbset from a vtty (Ctrl+Alt+F2), this is what I
> > get:
> > open /dev/fb0: no such file or directory
>  That's bad, probably indication of low level problem, kernel or video support in
>  the kernel, not at all a KDE or SDDM fault. Maybe your eradication of
>  proprietary NVidia support was incomplete. Someone else will have to help you
>  figure out if there is any NVidia remaining to be removed, something module
>  and/or blacklist related in /etc/ I suppose.
>
>  Maybe there would be a clue from output of
>
>  	cat /proc/cmdline
>
>  or
>
>  	dmesg | grep -i failed
>
>  or
>
>  	journalctl | grep -i failed
>
>  posted to the users list. This list seems to have a very small user base. 

Well, I use the nVidia drivers packaged by rpmfusion.  The nVidia drivers don't use
the /dev/fb0 device.

Have a look in /var/log/Xorg.0.log for error (EE) messages.


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F27: cannot open a Plasma session (after upgrade from F25)

[Ed Greshko]

On 01/09/18 06:50, Ed Greshko wrote:
>  On 01/09/18 05:55, Felix Miata wrote:
> > Frédéric composed on 2018-01-08 15:41 (UTC+0100):
> >
> >> when I type /usr/sbin/fbset from a vtty (Ctrl+Alt+F2), this is what I
> >> get:
> >> open /dev/fb0: no such file or directory
> > That's bad, probably indication of low level problem, kernel or video support in
> > the kernel, not at all a KDE or SDDM fault. Maybe your eradication of
> > proprietary NVidia support was incomplete. Someone else will have to help you
> > figure out if there is any NVidia remaining to be removed, something module
> > and/or blacklist related in /etc/ I suppose.
> >
> > Maybe there would be a clue from output of
> >
> > 	cat /proc/cmdline
> >
> > or
> >
> > 	dmesg | grep -i failed
> >
> > or
> >
> > 	journalctl | grep -i failed
> >
> > posted to the users list. This list seems to have a very small user base.
>
>  Well, I use the nVidia drivers packaged by rpmfusion.  The nVidia drivers don't use
>  the /dev/fb0 device.
>
>  Have a look in /var/log/Xorg.0.log for error (EE) messages.
>
>  
Sorry to confuse people.  I sent this to the wrong list.  Coffee on the way.

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