The same bug affected me after upgrade to 10.04 LTS on a Toshiba with Nvidia video card, and also on a fresh install of 10.10 on ThinkPad X200T with Intel Mobile 4 Series Chipset Integrated Graphics Controller. Looks like a long standing and persistent problem in Ubuntu.
The same bug affected me after upgrade to 10.04 LTS on a Toshiba with Nvidia video card, and also on a fresh install of 10.10 on ThinkPad X200T with Intel Mobile 4 Series Chipset Integrated Graphics Controller. Looks like a long standing and persistent problem in Ubuntu.