Public bug reported:
Using "Middle click to lower window" works correctly but when a windows is
already lowered middle clicking again will bring weird graphical artifacts in
the tittle bar.
Randomly consecutively clicking that already lowered bar changes patterns in
the graphical artifact, sometimes it also makes the artifacts disappear and
look normal again.
EDIT: this bug seems to be reproduced when System Monitor 3.18.2 is
running (even minimized). As soon as I close it the GUI starts to behave
normally again.
DISCLAIMER: I still have to install Nvidia's proprietary drivers.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: unity 7.4.0+16.04.20160526.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Jun 3 23:09:33 2016
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.8, 4.4.0-21-generic, x86_64: installed
bbswitch, 0.8, 4.4.0-22-generic, x86_64: installed
nvidia-340, 340.96, 4.4.0-21-generic, x86_64: installed
nvidia-340, 340.96, 4.4.0-22-generic, x86_64: installed
GraphicsCard:
NVIDIA Corporation G96 [GeForce 9500 GT] [10de:0640] (rev a1) (prog-if 00 [VGA
controller])
Subsystem: ZOTAC International (MCO) Ltd. G96 [GeForce 9500 GT] [19da:7046]
GsettingsChanges:
b'org.compiz.core' b'active-plugins' b"['core', 'composite', 'opengl',
'compiztoolbox', 'place', 'regex', 'mousepoll', 'commands', 'vpswitch', 'move',
'copytex', 'resize', 'snap', 'wall', 'grid', 'session', 'animation', 'fade',
'imgpng', 'workarounds', 'unitymtgrabhandles', 'expo', 'scale', 'ezoom',
'unityshell']"
b'com.canonical.Unity' b'minimize-count' b'4'
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1'
InstallationDate: Installed on 2016-06-03 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
Lsusb:
Bus 001 Device 003: ID 0781:5567 SanDisk Corp. Cruzer Blade
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 003: ID 045e:00f9 Microsoft Corp. Wireless Desktop Receiver 3.1
Bus 002 Device 002: ID 045e:00f7 Microsoft Corp. LifeCam VX-1000
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcEnviron:
LANGUAGE=it
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=it_IT.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic
root=UUID=e0985a44-92f8-44b1-8a43-b80cb7685062 ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/09/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.80
dmi.board.name: ALiveNF6G-GLAN
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.80:bd04/09/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnALiveNF6G-GLAN:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.12.2+16.04.20160526-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Fri Jun 3 22:30:27 2016
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input sonixj KEYBOARD, id 8
input Microsft Microsoft Wireless Desktop Receiver 3.1 KEYBOARD, id 9
input Microsft Microsoft Wireless Desktop Receiver 3.1 KEYBOARD, id 10
xserver.errors:
Failed to load module "nvidia" (module does not exist, 0)
Failed to load module "nvidia" (module does not exist, 0)
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.3-1ubuntu2
xserver.video_driver: nouveau
** Affects: unity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial
** Attachment added: "It happens the same even if System Monitor is minimized"
https://bugs.launchpad.net/bugs/1588982/+attachment/4676275/+files/artifacts_title_bar.png
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https://bugs.launchpad.net/bugs/1588982
Title:
Graphical error with "Middle click to lower window"
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