Public bug reported:
Binary package hint: xscreensaver-gl-extra
The screensaver has been locking up the machine (as in not exiting when
detecting mouse or keyboard activity) some time (30 minutes consistently
replicate the problem here, ymmv) after powering down the screen. I have
not tested other screensavers in the same package - this is the next
step now that I have pinpointed the weirdness.
The setup is an Acer Aspire One 150 netbook (Atom, Intel GMA 945) with
an external IBM A70 monitor in a dual-headed configuration. Compiz is
off due to bug #486056 and framebuffer is set to 2048x768 pixels due to
bug #486072 (could be 1024 + 1280 pixels wide and 1024 pixels tall).
The machine is not crashed and it is possible to ssh to it. I tried
killing the two cubicgrid (there were two of them - this could be the
problem) processes both under a single gnome-screensaver process, but
they refused to die even with a "sudo kill -9". Gnome-screensaver died
politely when ordered. Restarting the GDM or X does not cure the problem
because the cubegrid processes continue as zombies. The only way I found
to recover the machine was to "shutdown -r" it via a ssh session, but
that is not surprising (and is a last resort).
ProblemType: Bug
Architecture: i386
Date: Fri Jan 8 08:28:51 2010
DistroRelease: Ubuntu 9.10
Package: xscreensaver-gl-extra 5.08-0ubuntu5
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: xscreensaver
Uname: Linux 2.6.31-17-generic i686
XsessionErrors:
(gnome-settings-daemon:2088): GLib-CRITICAL **: g_propagate_error: assertion
`src != NULL' failed
(polkit-gnome-authentication-agent-1:2120): GLib-CRITICAL **:
g_once_init_leave: assertion `initialization_value != 0' failed
(nautilus:2112): Eel-CRITICAL **: eel_preferences_get_boolean: assertion
`preferences_is_initialized ()' failed
(gnome-panel:2108): Gdk-WARNING **:
/build/buildd/gtk+2.0-2.18.3/gdk/x11/gdkdrawable-x11.c:952 drawable is not a
pixmap or window
** Affects: xscreensaver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
cubicgrid screensaver locks up the machine after putting screen in power-save
mode
https://bugs.launchpad.net/bugs/504698
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