This was fixed in quantal with the following commit:
http://cgit.freedesktop.org/xorg/xserver/commit/?id=1bf81af4a6be1113bcc3b940ab264d5c9e0f0c5d
The only thing is you need to specify the panning resolution when using
the scale parameter. For example, instead of using the following to
scale a 1024x600 netbook screen:
xrandr --output LVDS1 --scale 1.25x1.25
you need to use:
xrandr --output LVDS1 --panning 1280x750 --scale 1.25x1.25
** Also affects: xorg-server (Ubuntu Precise)
Importance: Undecided
Status: New
** Also affects: xorg-server (Ubuntu Quantal)
Importance: Undecided
Status: New
** Also affects: xorg-server (Ubuntu Raring)
Importance: Low
Status: Triaged
** Changed in: xorg-server (Ubuntu Quantal)
Status: New => Fix Released
** Changed in: xorg-server (Ubuntu Raring)
Status: Triaged => Fix Released
** Changed in: xorg-server (Ubuntu Precise)
Status: New => Triaged
** Changed in: xorg-server (Ubuntu Precise)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/883319
Title:
xrandr --scale restricts area in which mouse moves
Status in X.Org X server:
Confirmed
Status in “xorg-server” package in Ubuntu:
Fix Released
Status in “xorg-server” source package in Precise:
Triaged
Status in “xorg-server” source package in Quantal:
Fix Released
Status in “xorg-server” source package in Raring:
Fix Released
Bug description:
in kubuntu (and ubuntu) 11.04 i used to enlarge my laptop screen like
so
xrandr --output LVDS1 --scale 1.2x1.2
this worked fine: the desktop scaled to larger size correctly .
After upgrading to 11.10, in kde the desktop still resizes
correctly, but the movement of the mouse is restricted to an area equal to
the screen size *before* issuing the scaling command. .. Ie let's say
the mode is 1366x768 and I do xrandr --output LVDS1 --scale 1.2x1.2 the
screen size changes to 1640x922 but the mouse moves in an area the size of
1366x768 in the top left of the screen and then 'hits a wall' preventing
it to move. I also tried ubuntu 11.10 with gnome: here the screen also
resizes, but I have the same issue with the mouse, and the extended area
of the desktop is black...
Some time ago there was a similar issue, which was resolved later. Now it
seems
to be back...
jos@samsungsucks:~$ lsb_release -rd
Description: Ubuntu 11.10
Release: 11.10
jos@samsungsucks:~$ xrandr --version
xrandr program version 1.3.5
Server reports RandR version 1.3
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