On Sun, Dec 11, 2022 at 11:32 AM Patrick O'Callaghan <pocallag...@gmail.com> wrote:
> On Sun, 2022-12-11 at 09:21 -0500, Javier Perez 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 (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. > > > > 1. How can I troubleshoot why sometimes I can come back and > > othertimes I > > cannot? > > 2. Is there any less destructive way to recover the display than > > restarting > > lightdm? > > > > 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. > > I don't know if this is relevant, but how is the KVM connected to the > display? I had one that would remove the HDMI signal on inactive > display inputs, even when they were physically connected, which made > the system think the display was turned off. I replaced it with one > that keeps a live signal on all connected ports and haven't had a > problem since. > > I think it most be removing the HDMI signal. Each I switch out, I start getting the following messages on the journal Dec 10 02:32:04 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device ViewSonic VA2446 Series (VGA-0) Dec 10 02:32:14 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 Dec 10 02:32:25 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 Dec 10 02:32:35 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 Dec 10 02:32:45 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 Dec 10 02:32:55 pepewin.localdomain kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device VGA-0 > poc > _______________________________________________ > users mailing list -- users@lists.fedoraproject.org > To unsubscribe send an email to users-le...@lists.fedoraproject.org > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org > Do not reply to spam, report it: > https://pagure.io/fedora-infrastructure/new_issue > -- ------------------------------ /\_/\ |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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