I experience a bug with similar symptoms. I'm using an up to date version of Karmic.
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Subsystem: Lenovo Device 2112 Flags: bus master, fast devsel, latency 0, IRQ 30 Memory at f4400000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at 1800 [size=8] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 -- [g41] X consumes ever-increasing memory https://bugs.launchpad.net/bugs/410248 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp