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I have 2 monitors.
On login, Unity gives me the same image on both monitors, in a
suboptimal resolution for both (everything is blurry). xrandr gives:
Screen 0: minimum 320 x 200, current 1152 x 864, maximum 8192 x 8192
LVDS1 connected 1152x864+0+0 (normal left inverted right x axis y axis) 303mm x
190mm
1440x900 60.0 + 59.9 50.0
1360x768 59.8 60.0
1152x864 60.0*
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 connected 1152x864+0+0 (normal left inverted right x axis y axis) 430mm x
270mm
1680x1050 60.0 +
1280x1024 75.0 60.0
1152x864 75.0*
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
Cycling modes with Fn-F7 (this is a Lenovo T410s laptop) gives :
- only the right (external) monitor at its optimal resolution
- only the left (internal) monitor at its optimal resolution
- the above suboptimal mirror.
I expect:
- that the proposed mirror setup would use the preferred resolution for both
monitors, which is possible (see below)
- to be proposed a setup with one desktop that takes both monitors (using their
preferred resolution)
- that the setup chosen by default with my 2 monitors would be a good-looking
one (either mirror or stretched with preferred resolutions).
This used to work in previous releases (both items), though maybe only
for Unity 2D since this it what I was using then.
My workaround to get a stretched desktop:
/usr/bin/xrandr --output LVDS1 --mode 1440x900 --output VGA1 --mode 1680x1050
--right-of LVDS1
Which gives:
Screen 0: minimum 320 x 200, current 3120 x 1050, maximum 8192 x 8192
LVDS1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 303mm
x 190mm
1440x900 60.0*+ 59.9 50.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 connected 1680x1050+1440+0 (normal left inverted right x axis y axis)
430mm x 270mm
1680x1050 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
And to get a nice-looking mirror desktop:
/usr/bin/xrandr --output LVDS1 --mode 1440x900 --output VGA1 --mode 1680x1050
--same-as LVDS1
Which gives:
Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192
LVDS1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 303mm
x 190mm
1440x900 60.0*+ 59.9 50.0
1360x768 59.8 60.0
1152x864 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 430mm
x 270mm
1680x1050 60.0*+
1280x1024 75.0 60.0
1152x864 75.0
1024x768 75.1 60.0
800x600 75.0 60.3
640x480 75.0 60.0
720x400 70.1
Once I have executed one of these workarounds, Fn-F7 cycles through
these 2 setups in addition to the ones it does by default.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.12-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CompizPlugins:
[core,composite,opengl,decor,compiztoolbox,snap,gnomecompat,regex,grid,resize,imgpng,mousepoll,place,move,vpswitch,animation,session,wall,expo,workarounds,unitymtgrabhandles,ezoom,fade,scale,unityshell]
Date: Fri May 25 11:06:42 2012
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64
(20100419.1)
ProcEnviron:
PATH=(custom, user)
LANG=fr_FR.utf8
SHELL=/bin/zsh
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-05-02 (22 days ago)
** Affects: gnome-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
--
dual monitors: ugly mirror resolution, fn-f7 does not propose stretching the
desktop over the 2 monitors
https://bugs.launchpad.net/bugs/1004393
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