Hi
I can confirm this issue from multiple workstations with different
hardware confifigurations.
Several colleagues at my workplace have workstations running wheezy and
all of them has this frequent freezes.
My machine has an intel 965gm, my colleage next to me has an nvidia card
and is using the non-free drivers.
The freezes occurs from the beginning (gnome-shell 3.0), but got rarer
since version 3.2.
In most cases i'm switching to a tty, use killall gnome-shell, switching
back... it restarts automatically... and everything is fine. In fewer
than 5% of the freezes this doesn't help, and it is a bit trickier to
get it working again without restarting gdm.
It can't really been reproduced but here is my list of what i was doing
in most of the cases:
- in over 90% of the cases i was switching the workspace with the
keyboard (in 100% of this cases i was switching/moving to the above
workspace... this, of course, can be a coincidence)
- in about 50% of the above cases on the current workspace was a
fullscreen VMware-Image running, i "ungrabbed" the input by pressing
ctrl+alt and afterward the keybinding to move to the above workspace
- in about 10% of the above cases i was connected to a beamer in
mirrored view
I'm hoping this issue is be fixed in gnome-shell 3.4 as several bugs in
"this direction" got fixed.
e.g.
3.3.4 [0]:
...
* Fix several crashers related to updating workspace thumbnails [Owen;
#667652]
...
3.3.92 [1]:
...
* Fix hangs that could occur when switching away to a VT [Ray; #653833]
...
I therefor would wait until 3.4 hits unstable and wait a month to get
some a reliable statement. In the meanwhile i would request to decrease
the severity of this but to important as it happens not that often.
Cheers Fabian
[0]
http://ftp.gnome.org/pub/gnome/sources/gnome-shell/3.3/gnome-shell-3.3.4.news
[1]
http://ftp.gnome.org/pub/gnome/sources/gnome-shell/3.3/gnome-shell-3.3.92.news
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