On Sun, Dec 11, 2022 at 10:56 AM stan via users <
users@lists.fedoraproject.org> wrote:

> On Sun, 11 Dec 2022 09:21:09 -0500
> Javier Perez <pepeb...@gmail.com> wrote:
>
> > Hi
> > I have a problem. Oftentimes when I press the button on my KVM to
> > return to my desktop and Fedora 36, the screen is black and
> > unresponsive. I have to log in through SSH and restart lightdm
>
> I don't have a kvm, but I recall seeing people on this list saying
> that they can have issues.
>
> Read the same, but it was working flawlessly at least until a year ago
that I started having this issue.


> > (systemctl restart lightdm)
> > Problem is that it resets my sessions and some programs like cura do
> > not like that and even trash their configuration files.
> > Looking through the system log I do not see any problem at the time I
> > made the switch back to the desktop.
>
> Way out of my knowledge zone, but I'll speculate.
>
> > 1. How can I troubleshoot why sometimes I can come back and
> > othertimes I cannot?
>
> Is it possible there is a screen or power saver running, and sometimes
> it hasn't kicked in, and sometimes it has?  Is there anything
> different in journalctl -r when this happens, and when it doesn't
> happen?  Maybe this is what you mean by system log?
>
> I do not think so, I think I disabled all power saving and screen saving
services / settings.
I am running XFCE so I do not know if I got them all.


> > 2. Is there any less destructive way to recover the display than
> > restarting lightdm?
>
> Have you tried switching to a virtual console (say Ctrl-Alt-F3), and
> then back again (Ctrl-Alt-F1)?  I think that does a context switch, so
> should give something a kick.
>
> No. I will try next time it happens. Will that combination work under XFCE?



> > I do not have that problem with my other computer, but then,  I use
> > it as a fileserver and it does not have that many programs installed.
> >
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-- 
------------------------------
 /\_/\
 |O O|  pepeb...@gmail.com
 ~~~~     Javier Perez
 ~~~~          While the night runs
 ~~~~          toward the day...
  m m       Pepebuho watches
                from his high perch.
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