Public bug reported:
In a multi-display setup where displays have different resolutions (e.g.
external display connected to laptop), the login screen forces the same
resolution on both displays. For example in my setup I have a laptop
with a 16:9 ratio and an external screen with a 4:3 ratio. The
background appears on both displays and the login box appears on the
laptop's built-in display. However, both displays are forced to a 4:3
resolution that only fits the external screen.
Steps to reproduce:
1. Connect an external display to a laptop with different ratio (e.g. 16:9
laptop and 4:3 external display)
2. Start the laptop
3. The login screen appears
Expected behaviour:
Each display shows an image that is scaled according to their individual
resolutions
Actual behaviour:
Both displays are forced to a degraded resolution that can be displayed by
both. E.g. in my case the laptop has a max resolution of 1366x768 while the
external display has a max resolution of 1280x1024: the resolution used by the
login screen is 1024x768 i.e. a 4:3 resolution (like the external display) but
with 768 vertical resolution (which is the max vertical resolution of the
laptop).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri May 11 21:46:20 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to precise on 2012-02-11 (90 days ago)
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/998239
Title:
Login screen forces same resolution on all displays in non-identical
multi-display setup
Status in “lightdm” package in Ubuntu:
New
Bug description:
In a multi-display setup where displays have different resolutions
(e.g. external display connected to laptop), the login screen forces
the same resolution on both displays. For example in my setup I have a
laptop with a 16:9 ratio and an external screen with a 4:3 ratio. The
background appears on both displays and the login box appears on the
laptop's built-in display. However, both displays are forced to a 4:3
resolution that only fits the external screen.
Steps to reproduce:
1. Connect an external display to a laptop with different ratio (e.g. 16:9
laptop and 4:3 external display)
2. Start the laptop
3. The login screen appears
Expected behaviour:
Each display shows an image that is scaled according to their individual
resolutions
Actual behaviour:
Both displays are forced to a degraded resolution that can be displayed by
both. E.g. in my case the laptop has a max resolution of 1366x768 while the
external display has a max resolution of 1280x1024: the resolution used by the
login screen is 1024x768 i.e. a 4:3 resolution (like the external display) but
with 768 vertical resolution (which is the max vertical resolution of the
laptop).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri May 11 21:46:20 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcEnviron:
LANGUAGE=en_GB:en
TERM=xterm
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to precise on 2012-02-11 (90 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/998239/+subscriptions
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