Not 100% sure if it is the same problem, compiz seem to crash, i loose window decorations.
Fix with compiz --replace in terminal.
$ uname -a
Linux pieters-laptop 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
$ lspci | grep ATI
01:00.0 VGA compatible controller: ATI Technologies Inc Broadway XT [Mobility Radeon HD 5800 Series]
01:00.1 Audio device: ATI Technologies Inc Juniper HDMI Audio [Radeon HD 5700 Series]
Laptop EliteBook 8740w

Below is terminal output from compiz --replace until 2nd crash.

:~$ compiz --replace
Checking if settings need to be migrated ...no
Checking if internal files need to be migrated ...no
Backend     : gconf
Integration : true
Profile     : unity
Adding plugins
Skipping upgrade com.canonical.unity.unity.01.upgrade
Skipping upgrade com.canonical.unity.unity.02.upgrade
Initializing core options...done
Initializing bailer options...done
Initializing detection options...done
Initializing composite options...done
Initializing opengl options...done
Initializing decor options...done
Initializing vpswitch options...done
Initializing mousepoll options...done
Initializing animation options...done
Initializing move options...done
Initializing fade options...done
Initializing imgjpeg options...done
Initializing workarounds options...done
Initializing place options...done
Initializing gnomecompat options...done
Initializing session options...done
Initializing grid options...done
Initializing snap options...done
Initializing resize options...done
Initializing screenshot options...done
Initializing cube options...done
Initializing scale options...done
compiz (expo) - Warn: failed to bind image to texture
Initializing expo options...done
Initializing ezoom options...done
Initializing rotate options...done
Initializing unitymtgrabhandles options...done

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_new: assertion `width > 0' failed

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_width: assertion `GDK_IS_PIXBUF (pixbuf)' failed

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_get_height: assertion `GDK_IS_PIXBUF (pixbuf)' failed

(compiz:7240): GdkPixbuf-CRITICAL **: gdk_pixbuf_fill: assertion `GDK_IS_PIXBUF (pixbuf)' failed
WARN  2011-10-24 21:52:05 unity.bghash BGHash.cpp:390 Passed in a bad pixbuf, defaulting colour

Screen geometry changed:
   0x0x1400x1050

Initializing unityshell options...done
DEBUG 2011-10-24 21:52:06 glib <unknown>:0 Setting to primary screen rect: x=0 y=0 w=1400 h=1050
Setting Update "command"
Setting Update "main_menu_key"
Setting Update "run_key"
Setting Update "skydome"
Setting Update "skydome_image"
Setting Update "skydome_animated"
Setting Update "active_opacity"
Setting Update "inactive_opacity"
Setting Update "speed"
Setting Update "rotate_flip_left_edge"
Setting Update "launcher_hide_mode"
Setting Update "panel_opacity"
WARN  2011-10-24 21:52:11 glib <unknown>:0 Failed to fetch view type at /org/ayatana/bamf/window82169944: Method "ViewType" with signature "" on interface "org.ayatana.bamf.view" doesn't exist

WARN  2011-10-24 21:52:11 glib <unknown>:0 Failed to fetch view type at /org/ayatana/bamf/window82169944: Method "ViewType" with signature "" on interface "org.ayatana.bamf.view" doesn't exist

WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method InfoRequest proxy /com/canonical/unity/lens/commands does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method SetActive proxy /com/canonical/unity/lens/commands does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method InfoRequest proxy /com/canonical/unity/lens/files does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method SetActive proxy /com/canonical/unity/lens/files does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method InfoRequest proxy /com/canonical/unity/lens/music does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method SetActive proxy /com/canonical/unity/lens/music does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method InfoRequest proxy /com/canonical/unity/lens/applications does not exist
WARN  2011-10-24 21:52:46 unity.glib.dbusproxy GLibDBusProxy.cpp:255 Cannot call method SetActive proxy /com/canonical/unity/lens/applications does not exist
WARN  2011-10-24 21:52:47 unity.iconloader IconLoader.cpp:509 Unable to load contents of file:///usr/share/icons/unity-icon-theme/places/svg/category-installed.svg: Error opening file: No such file or directory
WARN  2011-10-24 21:52:47 unity.iconloader IconLoader.cpp:509 Unable to load contents of file:///usr/share/icons/unity-icon-theme/places/svg/category-available.svg: Error opening file: No such file or directory
Write failed: Broken pipe
WARN  2011-10-24 21:53:49 glib <unknown>:0 Failed to fetch view type at /org/ayatana/bamf/window79691791: Method "ViewType" with signature "" on interface "org.ayatana.bamf.view" doesn't exist

WARN  2011-10-24 21:53:49 glib <unknown>:0 Failed to fetch view type at /org/ayatana/bamf/window79691791: Method "ViewType" with signature "" on interface "org.ayatana.bamf.view" doesn't exist

WARN  2011-10-24 21:53:49 glib <unknown>:0 Unable to fetch children: Method "Children" with signature "" on interface "org.ayatana.bamf.view" doesn't exist


WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 invalid uninstantiatable type `(null)' in cast to `BamfView'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 invalid uninstantiatable type `(null)' in cast to `GObject'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:53:50 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 21:57:30 glib <unknown>:0 Unable to fetch children: Method "Children" with signature "" on interface "org.ayatana.bamf.view" doesn't exist


WARN  2011-10-24 21:57:30 glib.glib-gobject <unknown>:0 instance of invalid non-instantiatable type `(null)'
WARN  2011-10-24 22:07:05 glib.glib-gobject <unknown>:0 instance with invalid (NULL) class pointer
Segmentation fault
compiz (core) - Warn: unhandled ConfigureNotify on 0x5e00290!
compiz (core) - Warn: this should never happen. you should probably file a bug about this.