[xubuntu-users] Xorg with 99% CPU

[Ulli Horlacher]

On Sat 2018-10-20 (10:36), Ulli Horlacher wrote:
> On Fri 2018-10-19 (19:28), Ulli Horlacher wrote:
> 
> > I am running xubuntu 16.04.
> > Xorg eats up one CPU:
> 
> This was @work, meanwhile I am @home and my xubuntu here has a similar
> problem: Xorg runs with 100% CPU after login, but after a few minutes it
> goes under 1%
> The xubuntu @work is constantly running with 99-100% for hours.

I can reproduce the Xorg high CPU without (re)login!
When I call "xmodmap .Xmodmap" (which is done via xsessionrc) I get:

top - 10:56:51 up  1:24,  7 users,  load average: 0.82, 0.47, 0.24
Tasks: 211 total,   3 running, 153 sleeping,   0 stopped,   1 zombie
%Cpu(s): 23.4 us,  2.5 sy,  0.0 ni, 74.1 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem :  7973572 total,  6357300 free,   884768 used,   731504 buff/cache
KiB Swap: 16777212 total, 16777212 free,        0 used.  6677456 avail Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
 5551 framstag  20   0  409296  41508  31916 R  99.0  0.5   5:03.67 Xorg
 5660 framstag  20   0  370112  16988  14092 S   5.0  0.2   0:15.79 xfsettingsd

https://fex.rus.uni-stuttgart.de/fop/DivoPzOd/_.Xmodmap

The xmodmap command itself is fast, produces no messages at all and
terminates with exit code 0.

Xorg is running on high CPU for several minutes, as before.

What is going on there?

-- 
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:<20181020083623.GB11337 at rus.uni-stuttgart.de>