Public bug reported:

random lockups where the mouse still works. fiddling with tty1 has mixed
results -- killall on compiz to avoid a hard reboot would work for a
bit, but after a couple of hits of that, things just went weird in the
way of it just giving me the stock orange background image, or
performing very slowly. I switched from firefox usage to chrome and that
seemed to help. the last day I was using firefox, this lockup happened 3
times in one morning. normally after my screen sleeps from inactivity.
but sometimes while I'm actively using the laptop. after 5 days of no
issues in using chrome, it happened again. I've downloaded the compiz
config app and disabled animations. hoping that will avoid the problem.

perhaps similar to bug 339982

Acer E1-510-2827
Linux danwork 3.16.0-28-generic #38-Ubuntu SMP Fri Dec 12 17:37:40 UTC 2014 
x86_64 x86_64 x86_64 GNU/Linux

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xorg 1:7.7+7ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.14.7-0ubuntu8
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
Date: Tue Jan  6 12:22:43 2015
DistUpgraded: Fresh install
DistroCodename: utopic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display 
[8086:0f31] (rev 0c) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0845]
InstallationDate: Installed on 2014-12-05 (31 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Acer E1-510
ProcEnviron:
 LANGUAGE=en_CA:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-28-generic.efi.signed 
root=/dev/mapper/fedora-root ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/25/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.05
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: E1-510
dmi.board.vendor: Acer
dmi.board.version: Type2 - A01 Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV2.05:bd12/25/2013:svnAcer:pnE1-510:pvrV0.07:rvnAcer:rnE1-510:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: E1-510
dmi.product.version: V0.07
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.0-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.0-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.914-1~exp1ubuntu4.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2
xserver.bootTime: Tue Jan  6 10:23:57 2015
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                1072 
 vendor                                     LGD
xserver.version: 2:1.16.0-1ubuntu1.2

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


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

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You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1408038

Title:
  Unity/compiz freeze but mouse still moves

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