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[Bug 1501973] [NEW] Blurry/pixelated icon in Unity app switcher on scaled-up display

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Public bug reported:

The icon for Firefox in the Unity app switcher is blurry / pixelated
when using display scaling other than 1. See attached screenshot where
the display scaling in Display settings is set to 1.25.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: firefox 41.0+build3-0ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-12.14-generic 4.2.1
Uname: Linux 4.2.0-12-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.19-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  christopher   1622 F.... pulseaudio
 /dev/snd/controlC0:  christopher   1622 F.... pulseaudio
BuildID: 20150918092427
Channel: Unavailable
CurrentDesktop: Unity
Date: Thu Oct  1 21:32:23 2015
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2015-08-29 (33 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150828)
IpRoute:
 default via 172.24.192.1 dev wlp4s0  proto static  metric 600
 169.254.0.0/16 dev wlp4s0  scope link  metric 1000
 172.24.192.0/18 dev wlp4s0  proto kernel  scope link  src 172.24.212.147  metric 600
 198.111.37.218 via 172.24.192.1 dev wlp4s0  proto dhcp  metric 600
Locales: extensions.sqlite corrupt or missing
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=41.0/20150918092427 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/21/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GQET35WW (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20C0S13M00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 Std
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGQET35WW(1.15):bd04/21/2014:svnLENOVO:pn20C0S13M00:pvrThinkPadS1Yoga:rvnLENOVO:rn20C0S13M00:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20C0S13M00
dmi.product.version: ThinkPad S1 Yoga
dmi.sys.vendor: LENOVO

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug wily

** Attachment added: "Blurry Firefox icon in Unity window switcher.png"
   https://bugs.launchpad.net/bugs/1501973/+attachment/4481440/+files/Blurry%20Firefox%20icon%20in%20Unity%20window%20switcher.png

** Description changed:

- The icon for Firefox in the Unity app switcher is blurry / pixelated.
- See attached screenshot.
+ The icon for Firefox in the Unity app switcher is blurry / pixelated
+ when using display scaling other than 1. See attached screenshot where
+ the display scaling in Display settings is set to 1.25.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: firefox 41.0+build3-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-12.14-generic 4.2.1
  Uname: Linux 4.2.0-12-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC1:  christopher   1622 F.... pulseaudio
-  /dev/snd/controlC0:  christopher   1622 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC1:  christopher   1622 F.... pulseaudio
+  /dev/snd/controlC0:  christopher   1622 F.... pulseaudio
  BuildID: 20150918092427
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Thu Oct  1 21:32:23 2015
  Extensions: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  IfupdownConfig:
-  # interfaces(5) file used by ifup(8) and ifdown(8)
-  auto lo
-  iface lo inet loopback
+  # interfaces(5) file used by ifup(8) and ifdown(8)
+  auto lo
+  iface lo inet loopback
  IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  InstallationDate: Installed on 2015-08-29 (33 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150828)
  IpRoute:
-  default via 172.24.192.1 dev wlp4s0  proto static  metric 600 
-  169.254.0.0/16 dev wlp4s0  scope link  metric 1000 
-  172.24.192.0/18 dev wlp4s0  proto kernel  scope link  src 172.24.212.147  metric 600 
-  198.111.37.218 via 172.24.192.1 dev wlp4s0  proto dhcp  metric 600
+  default via 172.24.192.1 dev wlp4s0  proto static  metric 600
+  169.254.0.0/16 dev wlp4s0  scope link  metric 1000
+  172.24.192.0/18 dev wlp4s0  proto kernel  scope link  src 172.24.212.147  metric 600
+  198.111.37.218 via 172.24.192.1 dev wlp4s0  proto dhcp  metric 600
  Locales: extensions.sqlite corrupt or missing
  Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
  PrefSources: prefs.js
  Profiles: Profile0 (Default) - LastVersion=41.0/20150918092427 (In use)
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/21/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GQET35WW (1.15 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20C0S13M00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 Std
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGQET35WW(1.15):bd04/21/2014:svnLENOVO:pn20C0S13M00:pvrThinkPadS1Yoga:rvnLENOVO:rn20C0S13M00:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20C0S13M00
  dmi.product.version: ThinkPad S1 Yoga
  dmi.sys.vendor: LENOVO

** Summary changed:

- Blurry/pixelated icon in Unity app switcher
+ Blurry/pixelated icon in Unity app switcher on scaled-up display

-- 
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Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/1501973

Title:
  Blurry/pixelated icon in Unity app switcher on scaled-up display

Status in firefox package in Ubuntu:
  New

Bug description:
  The icon for Firefox in the Unity app switcher is blurry / pixelated
  when using display scaling other than 1. See attached screenshot where
  the display scaling in Display settings is set to 1.25.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: firefox 41.0+build3-0ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-12.14-generic 4.2.1
  Uname: Linux 4.2.0-12-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  christopher   1622 F.... pulseaudio
   /dev/snd/controlC0:  christopher   1622 F.... pulseaudio
  BuildID: 20150918092427
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Thu Oct  1 21:32:23 2015
  Extensions: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  InstallationDate: Installed on 2015-08-29 (33 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150828)
  IpRoute:
   default via 172.24.192.1 dev wlp4s0  proto static  metric 600
   169.254.0.0/16 dev wlp4s0  scope link  metric 1000
   172.24.192.0/18 dev wlp4s0  proto kernel  scope link  src 172.24.212.147  metric 600
   198.111.37.218 via 172.24.192.1 dev wlp4s0  proto dhcp  metric 600
  Locales: extensions.sqlite corrupt or missing
  Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
  PrefSources: prefs.js
  Profiles: Profile0 (Default) - LastVersion=41.0/20150918092427 (In use)
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/21/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GQET35WW (1.15 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20C0S13M00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 Std
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGQET35WW(1.15):bd04/21/2014:svnLENOVO:pn20C0S13M00:pvrThinkPadS1Yoga:rvnLENOVO:rn20C0S13M00:rvrSDK0E50512Std:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20C0S13M00
  dmi.product.version: ThinkPad S1 Yoga
  dmi.sys.vendor: LENOVO

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