Hello Anthony,
I have verified this with 12.04.5 + linux-
image-3.19.0-994-generic_3.19.0-994.201501292105_amd64 on 201209-11641,
this issue still exist.
** Changed in: hwe-next
Status: Incomplete => Confirmed
** Changed in: linux-lts-trusty (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: linux-lts-trusty (Ubuntu)
Assignee: Po-Hsu Lin (cypressyew) => (unassigned)
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https://bugs.launchpad.net/bugs/1355562
Title:
An "Unknown" display appears with no external display connected on
12.04.5
Status in HWE Next Project:
Confirmed
Status in linux-lts-trusty package in Ubuntu:
Confirmed
Bug description:
CID: 201202-10511 Dell Inspiron 5420
After boot to desktop, there will be an "Unknown" display work as an
extended display on this system with 12.04.5
The problem with this issue is that you will be able to move the
cursor out of your screen, even open an application on the extended
display.
Steps:
1. Install 12.04.5, boot to desktop with no external monitor connected
2. Open the "Display" utility, check whether there is an "Unknown" display
Expected result:
* There should be only a "Laptop" display
Actual result:
* An "Unknown" display available
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57~precise1 [modified:
boot/vmlinuz-3.13.0-32-generic]
ProcVersionSignature: Ubuntu 3.13.0-32.57~precise1-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Mon Aug 11 22:36:12 2014
InstallationMedia: Ubuntu 12.04.5 LTS "Precise Pangolin" - Release amd64
(20140807.1)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-trusty
UpgradeStatus: No upgrade log present (probably fresh install)
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