Public bug reported:

This is basically the same as bug 824890 but that is said to have been
fixed for Oineric and this is on Raring. If I am not mistaken, the
policy here is to open a new bug.

With Active blur, the dash takes somewhat longer to appear and the
animation is not smooth. With Static blur or No blur, it is quick (but
it could be quicker, it still takes time and since I open the dash
often, I do not see why there is a delay at all) and smooth. I would say
with static blur or No blur, it takes under one second whereas with
Active blur it takes about a second. The fact that it is not smooth
gives it a much more slower feeling though.

With active blur, it takes three steps - it (1) dims everything right of
launcher, then (2) blurs it and then (3) dims the launcher.  There is
always a delay between steps (1) and (2) and sometimes there is a slight
delay between (2) and (3). If I repeat the operation, the second delay
is sometimes absent. It seems it somehow caches something so it is
sometimes fast, but not always (and almost never in normal usage as the
cache does not stay long enough).

I hope my graphic card etc. got picked by ubuntu-bug.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: unity 7.0.0daily13.04.18~13.04-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
CompizPlugins: 
[core,composite,opengl,decor,grid,imgpng,compiztoolbox,gnomecompat,mousepoll,resize,snap,regex,place,vpswitch,move,winrules,animation,wall,session,workarounds,expo,fade,scale,ezoom,unityshell]
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Fri May  3 18:41:02 2013
DistUpgraded: Fresh install
DistroCodename: raring
DistroVariant: ubuntu
DkmsStatus:
 tp-smapi, 0.41, 3.8.0-19-generic, x86_64: installed
 vboxhost, 4.2.12, 3.8.0-19-generic, x86_64: installed
 vhba, 20130121, 3.8.0-19-generic, x86_64: installed
EcryptfsInUse: Yes
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller 
[8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:2114]
   Subsystem: Lenovo Device [17aa:2114]
InstallationDate: Installed on 2013-05-03 (0 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: LENOVO 20828VG
MarkForUpload: True
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic 
root=UUID=8277281a-1fbc-4c61-8477-50dc9ec804cf ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/13/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7VET64WW (2.12 )
dmi.board.name: 20828VG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: 
dmi:bvnLENOVO:bvr7VET64WW(2.12):bd03/13/2009:svnLENOVO:pn20828VG:pvrThinkPadT500:rvnLENOVO:rn20828VG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20828VG
dmi.product.version: ThinkPad T500
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
xserver.bootTime: Fri May  3 18:26:22 2013
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.13.3-0ubuntu6
xserver.video_driver: intel

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


** Tags: amd64 apport-bug compiz-0.9 raring ubuntu

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https://bugs.launchpad.net/bugs/1176105

Title:
  Dash with active blur is not smooth and may be slower to appear

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