Public bug reported:
The default display manager of most Ubuntu desktops, LightDM, refuses to
work properly and smoothly on *most* Ubuntu desktops using AMD
processors and graphics chips. The mouse will often "jitter" around,
visual effects will be extremely slow, it often won't show me any
preview wallpapers or change the user name scroller until I stop moving
the mouse, Very very annoying. Please fix.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: xorg 1:7.7+1ubuntu5
ProcVersionSignature: Ubuntu 3.11.0-11.17-generic 3.11.3
Uname: Linux 3.11.0-11-generic x86_64
ApportVersion: 2.12.5-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Fri Oct 4 02:10:11 2013
DistUpgraded: Fresh install
DistroCodename: saucy
DistroVariant: ubuntu
ExtraDebuggingInterest: No
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] RS880 [Radeon HD 4250] [1002:9715]
(prog-if 00 [VGA controller])
Subsystem: Biostar Microtech Int'l Corp Device [1565:1705]
InstallationDate: Installed on 2013-10-04 (0 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Beta amd64 (20130926)
MachineType: BIOSTAR Group A880G+
MarkForUpload: True
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-11-generic
root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/21/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080016
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: A880G+
dmi.board.vendor: BIOSTAR Group
dmi.chassis.asset.tag: None
dmi.chassis.type: 3
dmi.chassis.vendor: BIOSTAR Group
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr080016:bd09/21/2011:svnBIOSTARGroup:pnA880G+:pvr:rvnBIOSTARGroup:rnA880G+:rvr:cvnBIOSTARGroup:ct3:cvr:
dmi.product.name: A880G+
dmi.sys.vendor: BIOSTAR Group
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.46-1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.2-1ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.2-1ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu9
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.14-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1
xserver.bootTime: Fri Oct 4 01:47:48 2013
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input Logitech USB Laser Mouse MOUSE, id 8
input Lite-On Technology Corp. USB Keyboard KEYBOARD, id 9
input Lite-On Technology Corp. USB Keyboard KEYBOARD, id 10
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.14.3-3ubuntu1
xserver.video_driver: radeon
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug saucy ubuntu
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https://bugs.launchpad.net/bugs/1235089
Title:
LightDM Doesn't work properly on AMD
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