On Fri, 2015-10-16 at 00:40 +0100, Patrick O'Callaghan wrote: > It's hard to know whether these two things are connected, but I'll > mention them together since they seem to have been correlated at > least > once: > > I often find that after being logged into Plasma session for a few > days, the cursor starts to lag noticeably behind my wireless > (Bluetooth) mouse movement, to the extent that the mouse becomes > quite > difficult to use. It's hard to determine just what causes this. At > one > point I suspected either Chrome or Firefox, perhaps because some Web > page was very loaded with Javascript, but last time I killed both of > them and it seemed to make no difference. > > I have a second mouse (MS wireless connected via a USB dongle) and > its > behaviour is always entirely normal, i.e. no lag. I've tried using > Gnome but haven't managed to reproduce this behaviour, though I also > haven't tried very hard. > > When this problem cropped up just now, after several days of not > appearing, I checked "top" and found ksmserver taking 13% of CPU, far > above anything else. This is an 8-core Intel i7 with 16GB of RAM (and > root on an SSD). > > I logged out of the session and logged into a console. ksmserver CPU > usage went up to 100% and stayed there. I rebooted and everything > went > back to normal, i.e. no mouse lag and ksmserver taking no appreciable > CPU time. And now I'm getting the lag again, but without the ksmserver problem, so they are probably unrelated. poc _______________________________________________ kde mailing list kde@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/kde New to KDE4? - get help from http://userbase.kde.org
