alt - tab crash compiz

[tonton]

to change application to a other i use keyboard alt -tab to quick or to often is doing desktop crash
only view the background i wait is comming back
more quickly when using the "windows" key
in /var/log/syslog

Apr 10 09:48:41 Josie kernel: [ 1862.405587] compiz[1697]: segfault at 3e4ccd49 ip 07ea8096 sp bfc40ed0 error 4 in libunityshell.so[7d29000+20e000]
Apr 10 09:48:41 Josie gnome-session[1628]: WARNING: Application 'compiz.desktop' killed by signal
Apr 10 09:48:41 Josie gnome-session[1628]: WARNING: App 'compiz.desktop' respawning too quickly
Apr 10 09:48:41 Josie gnome-session[1628]: CRITICAL: We failed, but the fail whale is dead. Sorry....

Apr 10 09:50:42 Josie kernel: [ 1983.123193] compiz[3179]: segfault at 2020209c ip 05b33096 sp bfdd9210 error 4 in libunityshell.so[59b4000+20e000]
Apr 10 09:50:42 Josie gnome-session[1628]: WARNING: Application 'compiz.desktop' killed by signal
Apr 10 09:50:42 Josie gnome-session[1628]: WARNING: App 'compiz.desktop' respawning too quickly

lspci
tonton@Josie:~$ lspci
00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 01)
00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GH (ICH7DH) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01)
01:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22A IEEE-1394a-2000 Controller (PHY/Link) [iOHCI-Lynx]
01:09.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone] (rev 30)
01:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)

regards

[Daniel van Vugt (vanvugt)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 975168, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.