Public bug reported:
Binary package hint: banshee
Karmic 64-bit
I am not sure if it is banshee or notify-osd, but i've only seen it
happen when banshee does the notificating.
This is what happens: at some point, a banshee notification pops up
(f.i. to tell us what's playing). It might disappear completely or only
half (30% transparent). Next thing that happens is that you can't touch
the inside of a window anymore. Nothing works: can't type in it, can't
block and copy things. (F.i. firefox is open; when the bug happens, you
can't type a new URL in the address bar; can't fill in a form, etc). But
you can still drag the window around the screen. You can also still move
focus from one window to another (clicking on the window makes it
active). You can't close or minimize the window.
The gnome-panel accepts clicks, and the icon depresses (like it was
activated) but the attached program (for instance Force Quit) won't
start. After that, you can't use the gnome-panel at all anymore. The
only thing you can do is drag windows around the screen. (They stay
'clean', i.e. they don't 'trail' images of themselves around the
desktop).
Going to another machine and remotely login (since Alt-Ctrl-F1 don't
work no more neither) and look at top, there is (for example) a notify-
osd which takes 6.9 % of total RAM (3GB ram in machine).
Killing the notify-osd (SIGHUP) frees up X. Suddenly the Force Quit app
shows up (that was the last click on the Gnone-panel) and everything
works again.
Instead of killing notify-osd, it's also possile to pkill -9 banshee.
This will also free X.
I have no way of reliably reproducing the bug.
banshee:
Installed: 1.5.1-1
Candidate: 1.5.1-1
Version table:
*** 1.5.1-1 0
500 http://bika karmic/universe Packages
100 /var/lib/dpkg/status
notify-osd:
Installed: 0.9.24-0ubuntu1
Candidate: 0.9.24-0ubuntu1
Version table:
*** 0.9.24-0ubuntu1 0
500 http://bika karmic/main Packages
100 /var/lib/dpkg/status
** Affects: banshee (Ubuntu)
Importance: Undecided
Status: New
--
Notification area causes X to freeze (caused by banshee)
https://bugs.launchpad.net/bugs/537946
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