[xubuntu-users] Xorg with 99% CPU

[Ulli Horlacher]

I am running xubuntu 16.04.
Xorg eats up one CPU:

top - 19:24:43 up 10 min,  4 users,  load average: 1.18, 1.03, 0.62
Tasks: 297 total,   2 running, 294 sleeping,   0 stopped,   1 zombie
%Cpu(s): 11.7 us,  1.2 sy,  0.0 ni, 87.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem : 16256752 total, 14530104 free,   404704 used,  1321944 buff/cache
KiB Swap: 16777212 total, 16777212 free,        0 used. 15464540 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
 3095 framstag  20   0  218696  47332  36188 R  99.7  0.3   9:15.09 Xorg
 3205 framstag  20   0  369688  22404  12384 S   5.0  0.1   0:31.11 xfsettingsd
 3881 framstag  20   0   44208   4272   3580 R   0.3  0.0   0:00.70 top
  

When I do a "strace -p 3095" the system freezes and I have to press the
power button :-(

Any idea what is going on and how to debug it?


-- 
Ullrich Horlacher              Server und Virtualisierung
Rechenzentrum TIK         
Universitaet Stuttgart         E-Mail: horlacher at tik.uni-stuttgart.de
Allmandring 30a                Tel:    ++49-711-68565868
70569 Stuttgart (Germany)      WWW:    http://www.tik.uni-stuttgart.de/
REF:<20181019172839.GA4002 at rus.uni-stuttgart.de>