Certain combinations of screensaver hacks, graphic drivers and cards
cause unexpectedly high CPU loads. In my PPA at
https://launchpad.net/~tormodvolden/+archive/ubuntu/ppa there is
xscreensaver 5.45 for focal, with an extra patch that displays a CPU
load summary for each hack in the verbose log. I
Please ignore the above comment. It seems what I'm experiencing is a
different bug.
If I run the following, I get high CPU
glslideshow -delay 0 -zoom 100 -pan 1
If I run the following, I get low CPU
glslideshow -zoom 100
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I think I'm getting the same bug.
20.04 Linux: 5.8.0-55-generic xscreensaver: 5.42+dfsg1-1ubuntu1
I'm configured to run glslideshow
If I run `xscreensaver & xscreensaver-command -activate` I get high CPU
on processes glslideshow and XOrg
If I run `/usr/lib/xscreensaver/glslideshow` directly, th
Still happens on 20.04 all up to date on kernel 5.4.0-70-generic (on the
intel NUC)
But on my laptop with intel HD 620 graphics i cannot reproduce this
** Description changed:
Ubuntu 18.04.4 with kernel 5.3.0-28-generic up to date @ 6/2/2020
Xscreensaver makes the system rise in high cpu
