Public bug reported:
Binary package hint: xscreensaver-gl
I returned to my laptop after several minutes and the Polytopes
screensaver was moving normally. I did not press shift or any other key
to clear the screensaver. Instead, I began typing my password. At
about the first letter of the password, the display froze at a Polytopes
image and the computer was completely unresponsive. Even ctrl-alt-F1
did not respond.
This happened two times. Most of the time this same procedure works
properly, even though I almost always begin with the first letter of my
password (rather than shift or ctrl). On both occasions when the screen
froze, I was lucky and the computer was networked with another computer
and I was able to ssh in to the computer with the locked screen.
Running 'top' showed that the process 'polytopes' was using 100% CPU. I
was able to recover my open documents with a simple 'killall polytopes',
but if I had not been able to ssh into the computer, a hard reset would
have been necessary.
Ubuntu 8.10
xscreensaver-gl: Installed: 5.07-0ubuntu3
** Affects: xscreensaver (Ubuntu)
Importance: Undecided
Status: New
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polytopes screensaver freezes, requiring hard reset
https://bugs.launchpad.net/bugs/319097
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