On 02/09/18 13:26, Dave Close wrote: > Ed Greshko wrote: > >> Looking at your Xorg.0.log I see this at the end. >> >> [ 221.964] (II) AIGLX: Suspending AIGLX clients for VT switch >> [ 222.058] (II) systemd-logind: got pause for 13:65 >> [ 222.058] (II) systemd-logind: got pause for 13:69 >> [ 222.059] (II) systemd-logind: got pause for 13:64 >> [ 222.059] (II) systemd-logind: got pause for 226:0 >> [ 222.059] (II) systemd-logind: got pause for 13:66 >> [ 222.059] (II) systemd-logind: got pause for 13:67 >> [ 222.059] (II) systemd-logind: got pause for 13:68 >> >> You should check on your working system what you get. I don't >> have any of those types of pause messages. >> >> I suppose you could try with selinux disabled as this appears to >> be a system-wide issue as opposed to a use configuration issue. > SElinux is disabled. > > On the working system, the above messages are followed by > > [ 72483.987] (II) AIGLX: Resuming AIGLX clients after VT switch > > I'm not switching consoles. I haven't yet reached the opportunity > to do so when the system hangs and the black screen appears. After > that, yes, I can and do switch to a text console so I can kill the > hung KDE session. > > Searching for references to that AIGLX message, I find several > reports, some going back a few years. The solutions are things like > installing a different GUI so they aren't very helpful. > > But it certainly does look like the systemd-logind pause is stuck > and could be the cause of my problem. > > Have I mentioned that I installed TigerVNC on the system, then > connected from a different one? In that situation, KDE starts fine. > The problem is only on the main screen. Is your system a desktop with a single monitor? A laptop with external monitor? Or something else? If you do use either sddm or kdm do you get a login screen? Couldn't hurt to try that as Samuel has suggested. -- A motto of mine is: When in doubt, try it out
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