I have the same issue on an HPdv6149us laptop. Video is an Intel 945GM. The same issues occurred in Feisty under the Intel driver but not the 810 driver.
Some output of xdpyinfo that may help:
screen #0:
dimensions: 1280x800 pixels (289x21 millimeters)
resolution: 112x968 dots per inch
I have the same issue on an HPdv6149us laptop. Video is an Intel 945GM. The same issues occurred in Feisty under the Intel driver but not the 810 driver.
Some output of xdpyinfo that may help:
screen #0:
dimensions: 1280x800 pixels (289x21 millimeters)
resolution: 112x968 dots per inch