Ok, I'm back at my desk. On my netbook I have the latest 2.6.33 bfs kernel running. I have reinstalled xscreensaver and as root top shows the xscreensaver process owned by user on top of the list running at 100%. The LX task manager shows an xscreensaver process with a different pid constantly at 50% cpu-load.
Now I log in as root to do the tasks. Top shows a load of 1 to 2 % which is an absolutely normal idle load on a system with a N270 Atom processor. The same with LX task manager. X is on top of the process table.
A look on the recent updates. The installation comes from my desktop LXDE PCLinuxOS 2010. The updates start on 18th October (samba-winbind.)
On the same day the following packages came in: dkms-vboxadditions, hdparm, lxde-common, lxdecc, virtualbox-guest-additions, x11-driver-input-vboxmouse, x11-driver-video-vboxvideo.
20. Oct:gnupg, libv4l, libv4l0, parcellite
21. Oct: pmount
On the same day I installed gmixer and the dependency packages gstreamer0.10-python and python-xlib. I uninstalled all three later, after I pushed up the master volume.
22. Oct: firefox, firefox-de, flash-player-plugin, glibc, glibc-devel, glibci18ndata, libpurple0,libsqlite3_0, thunderbird, thunderbird-de, pidgin, xulrunner
23. Oct: I installed the 2.6.33 bfs kernel just to see, if the performance made a difference. It did, so I stayed with it.
Reinstallation of the four xscreensaver-packages (-, -base, -common, -gl). That was because of the screensaver problem, which occur with the 2.6.32 kernel too, now. Uninstalling xscreensaver and -base. Installing those two again.
This is my update history on this very fresh system.
Going to reboot now after uninstalling the (excellent) music player Guayadeque and adding 'irqpoll' to the kernel line.
The xscreensaver problem still persists, lxterminal starts with a segfault. Desmg doesn't say anything, messages shows an entry like I quoted above:
Oct 24 00:55:13 localhost klogd: lxterminal: segfault at bf09effc ip b6c43239 sp bf09eff4 error 6 in libc-2.10.1.so[b6bdd000+15a000]
And I have several messages like the Lxterminal crash message concerning xscreensaver: error 6 in libc-2.10.1.so.
Now I reinstall glibc- glibc-devel and glibc-i18ndata on my netbook. I did that on my desktop already.
After reboot, nothing has changed.