X-Screen is 4-6 pixel shifted up, while it's tty is OK.

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http://forums.fedoraforum.org – Software is Fedora 17 with updates. Hardware is laptop Dell mini 10 with GMA500 Poulsbo Painful chipset. X-screen is 4 pixels shifted up. At the buttom I can see cursor or parts of letters in underling TTY console. See picture: Bright - is X-Server's screen. Black - 4 pixel ribbon between monitor edge and X-screen. There is bottom part of letter 'g' on the ribbon. At top small part of X-screen is invisible. As it shifted up at all. Below picture with mouse cursors at top edge of hardware display. It seems shift is 6 pixels, but may be real shift depends on how mouse cursor is programm (HowTos)