On Thu, 31 Aug 2023 11:35:35 -0300, George N. White III wrote: [....]
Kernel.org has been working clean up power management, see https://www.kernel.org/doc/html/latest/power/apm-acpi.html. Buggy ACPI implementations have been causing problems with wake from sleep, etc. Some vendors have firmware updates that may help. Are all your machines the same?
They're all running F38 with Mate. One is a Thinkpad, one a desktop, and one (with the problem) a little thing like two or three decks of cards. [....]
Would it help to reboot? Could there be a problem with my KVM
switch??
Easy to test by taking KVM switch out the loop -- there have been issues with the EDID getting corrupted on resume from sleep. See: https://www.kernel.org/doc/html/latest/admin-guide/edid.html
Shudda thunka that. I'll try it tomorrow.