It is possible that this could be an issue only for upgrade cases. In my
case I upgraded my 14.10 to 15.04 and faced this issue. This was the first
time I went through the upgrade process. Before this I have always done a
clean install and never faced the issue.

On Tue, Oct 6, 2015, 6:51 PM Alex Baggott <email address hidden> wrote:

> I'm not seeing this on a clean install of 15.10 Beta 2. Does this only
> occur on an upgrade to a later release?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1437767
>
> Title:
>   Icons contain pixellated artifacts
>
> Status in Unity:
>   Confirmed
> Status in unity package in Ubuntu:
>   Confirmed
>
> Bug description:
>   After upgrading from utopic to vivid beta, many (but apparently not
>   all) icons in Unity contain pixellation artifacts, as if it's been
>   scaled up very slightly.  Please see the attachment and note the
>   launcher, as well as "Security & Privacy" which was highlighted when
>   taking the screenshot.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 15.04
>   Package: unity 7.3.2+15.04.20150324.1-0ubuntu1
>   ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
>   Uname: Linux 3.19.0-10-generic x86_64
>   .tmp.unity.support.test.0:
>
>   ApportVersion: 2.16.2-0ubuntu5
>   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: Sat Mar 28 19:48:12 2015
>   DistUpgraded: 2015-03-28 19:13:12,615 DEBUG enabling apt cron job
>   DistroCodename: vivid
>   DistroVariant: ubuntu
>   GraphicsCard:
>    Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09)
> (prog-if 00 [VGA controller])
>      Subsystem: Lenovo Device [17aa:2226]
>   InstallationDate: Installed on 2015-03-07 (22 days ago)
>   InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64
> (20141022.1)
>   MachineType: LENOVO 20CMCTO1WW
>   ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-10-generic
> root=/dev/mapper/ubuntu--vg-root ro acpi_osi=Linux acpi_backlight=vendor
> psmouse.proto=imps quiet splash vt.handoff=7
>   SourcePackage: unity
>   UpgradeStatus: Upgraded to vivid on 2015-03-29 (0 days ago)
>   XorgConf:
>    Section "Monitor"
>        Identifier             "<default monitor>"
>        DisplaySize            276 156    # In millimeters
>    EndSection
>   dmi.bios.date: 01/23/2015
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: N10ET28W (1.05 )
>   dmi.board.asset.tag: Not Available
>   dmi.board.name: 20CMCTO1WW
>   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: None
>   dmi.modalias:
> dmi:bvnLENOVO:bvrN10ET28W(1.05):bd01/23/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkPadX250:rvnLENOVO:rn20CMCTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNone:
>   dmi.product.name: 20CMCTO1WW
>   dmi.product.version: ThinkPad X250
>   dmi.sys.vendor: LENOVO
>   version.compiz: compiz 1:0.9.12.1+15.04.20150303-0ubuntu1
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.59-0ubuntu1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.0-0ubuntu1
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.0-0ubuntu1
>   version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.9.0-1ubuntu2
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917-1~exp1ubuntu2build1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.11-1ubuntu2build1
>   xserver.bootTime: Sat Mar 28 19:26:54 2015
>   xserver.configfile: /etc/X11/xorg.conf
>   xserver.errors:
>
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.outputs:
>    product id                                1005
>    vendor                                     LGD
>   xserver.version: 2:1.17.1-0ubuntu3
>
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>