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

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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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