Hello all!
"Executive summary" of the verbose text below:
  * I can confirm the same problem, and also that deleting anything under  
~/.compiz*/*  resolves my problem temporarily
  * I don't believe it's related to graphics adaptor & drivers, as my Thinkpad 
T500 with dual graphics has the exact same problem when using the on-board 
Intel graphics with no proprietary driver.
  * I believe the problem *MIGHT BE* related to systems being upgraded from 
previous Ubuntu versions
  * It *MIGHT ALSO BE* related to use of CCSM (Compiz Config Settings Manager) 
and other tools that are tweaking settings and hence possibly causing problems 
by setting parameters that are not 100% compatible.


I have the exact same problem as you report here! My laptop is a Lenovo 
Thinkpad T500, pretty "plain & common", I'd say, and Thinkpads also have great 
Linux support in general. I've got dual graphics consisting of a dedicated ATI 
Radeon card and an on-motherboard Intel chip. I've configured BIOS to use only 
the on-board Intel graphics, mainly because the laptop's using less than half 
the power (really: battery is lasting double the time!), and I don't use any 
proprietary driver. Still, I'm reproducing the exact problem you're reporting, 
and my resolution has also been the same :-)

Honestly, I don't think the problem is related to graphics & drivers,
but I haven't had the time to do any further debugging. However, I
confirm that deleting any directories and files under   ~/.compiz*/*
is also resolving the problem on my side.

Furthermore, I may add that I'm usually working 1-2 weeks without
rebooting my laptop (just closing the lid, making the computer go
sleep), and I very rarely have problems even though I every day
plug/unplug external monitor at my workplace (no docking, just plain VGA
cable plugged/unplugged), and also when I'm using projectors in meeting
rooms etc. Even though I used to have more trouble (especially under
Ubuntu 11.x series with Unity), 12.10 is rather stabile except for the
boot-up problem.

If I'm able to type into a terminal window under Unity after boot, I'm usually 
able to fix the problem temporarily by performing
  $ compiz --replace &

However, it will crash again, until I first delete the file structure
under   ~/.compiz*/*   and replace compiz again.

If I'm not able to type into a terminal window under Unity (the same tty, 
normally tty7), the same procedure does NOT work from e.g. tty1 (typically 
using CTRL+ALT+F1 to fix problem). In this case even the following doesn't help:
  $ killall -9 compiz
  $ DISPLAY=:0.0 compiz --replace &

In these cases, I have 2 options:
  1) sudo shutdown -r now
  2) sudo service lightdm restart

The problem for both alternatives is that any open application under the
existing session will be killed as well. (This isn't a huge problem when
the compiz/unity crashes just after reboot, but was really annoying when
it used to crash in the middle of the day, giving me no alternative but
to kill all running applications including a couple of virtual machines
under VirtualBox.)

Also, I suspect that our problem is related to systems being upgraded
from earlier Ubuntu distros (mine comes from 10.10, as far as I
remember) and/or is related to use of ccsm (Compiz Config Settings
Manager).

Sorry for the long texting, and I'm happy to provide logs etc. if anyone 
interested.
(I'm currently creating a full image backup and plan to reinstall a clean, 
plain 12.10 install to see if that makes any difference.)

Brgds
/alfs

-- 
You received this bug notification because you are a member of compiz
packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1069265

Title:
  Compiz hangs at first click anywhere on desktop - can work around by
  deleting .compiz/session/* first.

To manage notifications about this bug go to:
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