*** This bug is a duplicate of bug 680614 ***
https://bugs.launchpad.net/bugs/680614
** This bug has been marked a duplicate of bug 680614
Position of second monitor wrong in dual monitor setup if first monitor is
1366x768
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https://bugs.launchpad.net/bugs/472716
Title:
dual screen setup: contents of both screens are shifted right by one
pixel
Status in “xorg” package in Ubuntu:
Invalid
Bug description:
Ubuntu Karmic Koala
VGA: Radeon HD 4550, proprietary fglrx driver
I am using a dual screen setup with two TFTs in portrait mode, DFP5 is right
of DFP1, which I activate with
"xrandr --output DFP1 --mode 1920x1200 --rotate left --output DFP5 --mode
1920x1200 --rotate left --right-of DFP1"
After that, xrandr correctly shows that DFP1 starts at 0x0:
"DFP1 connected 1200x1920+0+0"
and DFP5's origin is shifted 1200 pixel to the right, so starts at 1200x0 :
"DFP5 connected 1200x1920+1200+0"
Now there is a one pixel thick column on the left edge of the left
screen. It's in a ubuntu-background-like brownish color, but does not
belong to the background image content at that position. A maximized
window on the left screen will not conver this column but instead
overlap by one column to the right screen. So the windows rightmost
pixel column is drawn as the leftmost column on the right screen. A
window maximized on the right screen will not cover that overlapping
column but "hang out" by one pixel column on the right side of the
right screen. So everything is right shifted by one. This is also true
for the gnome panels displayed on the left screen.
This bug was present in Jaunty and still is after upgrading to Karmic
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