On Fri, 6 Dec 2019 19:27:14 -0700 "D. R. Evans" <doc.evans@...> wrote: > Dr. Nikolaus Klepp wrote on 12/6/19 4:34 PM: > > Anno domini 2019 Fri, 6 Dec 16:30:14 -0700 > > D. R. Evans scripsit: > >> D. R. Evans wrote on 12/6/19 2:30 PM: > >>> D. R. Evans wrote on 12/6/19 10:54 AM: > >>>> I just installed TDE on a new-to-me system running debian stable (buster). > >>>> > >>>> All the initial system installation was done from a live CD, and it installed > >>>> KDE. That installed version of KDE works as well as KDE ever works these days. > >>>> In particular, though, the screen looks fine (1920x1200) and everything works > >>>> as expected. > >>>> > >>>> In the newly-installed TDE, though, the desktop flickers wildly and the > >>>> desktop is simply unusable: input is lost during the flickers, so most > >>>> keyboard/mouse input is not even seen by the desktop. > >>>> > >>>> Where should I look to try to eliminate all the flickering so that I can get a > >>>> usable TDE? > >>>> > >>> > >>> More info: > >>> > >>> The background doesn't flicker at all. What is flickering are the panel and > >>> the default icons on the desktop, many times a second. > >>> > >>> If I succeed in bringing up the TDE menu (which, if I click enough times, > >>> eventually does appear when I succeed in timing a click at a moment when the > >>> desktop is accepting input), then the flickering stops for as long as the menu > >>> is visible. > >> > >> More info: > >> > >> After a few minutes of I trying to use this (basically unsable :-( ) TDE, it > >> suddenly popped up a dialog that said that the screen was locked and requested > >> that I enter my password. When I did that, I was returned to the session, but > >> the flickering had stopped. > >> > >> So that suggests the question: what causes the screen to lock and the popup > >> requesting unlocking to appear? Somehow that seems to be related to the > >> flickering problem. > >> > >> Doc > >> > >> PS I have no screensaver set. > >> > > > > can you run "top"or "htop" on a console (e.g.: <ctrl>+<alt>+<f1>)? > > > > ---- > > top -b -n 1 produces (while the flickering is occurring): > [...] > 2808 n7dr 20 0 2388 568 496 S 0.0 0.0 0:00.00 sh > 2809 n7dr 20 0 2280 536 476 S 0.0 0.0 0:00.00 kwrapper > 2811 n7dr 20 0 78568 20840 13980 S 0.0 0.1 0:00.86 ksmserver > 2812 n7dr 20 0 82308 20724 15088 S 0.0 0.1 0:01.61 twin > 2813 n7dr 20 0 82936 21308 15020 S 0.0 0.1 0:01.56 twin > 2817 n7dr 20 0 157600 24272 18656 S 0.0 0.1 0:18.82 kdesktop > 2829 n7dr 20 0 90824 26532 18252 S 0.0 0.1 0:01.68 kicker > 2830 n7dr 20 0 90808 26532 18288 S 0.0 0.1 0:02.87 kicker > 2832 n7dr 20 0 70840 10676 7480 S 0.0 0.0 0:00.00 tdeio_file > 2837 n7dr 20 0 70840 10720 7524 S 0.0 0.0 0:00.00 tdeio_file > 2839 n7dr 20 0 70840 10720 7524 S 0.0 0.0 0:00.00 tdeio_file [...] The doubled-up instances of kicker and twin jump out at me as a possible conflict. E. Liddell