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[Launchpad Bug Tracker <1515502@xxxxxxxxxxxxxxxxxx>]

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After I updated to linux 4.2.0.18 Unity becomes very slow and the system
starts to show a high load. Compiz i eating almost all CPU. I'm using
the nouveau driver.

If I return to 4.2.0.7 everything returns to normal.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
Uname: Linux 4.2.0-7-generic x86_64
.tmp.unity.support.test.0:
 
ApportVersion: 2.19.1-0ubuntu4
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: Thu Nov 12 07:43:10 2015
DistUpgraded: 2015-09-01 10:11:16,778 DEBUG running apport_crash()
DistroCodename: wily
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0535]
 NVIDIA Corporation GF108GLM [NVS 5200M] [10de:0dfc] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:1535]
InstallationDate: Installed on 2013-11-28 (713 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: Dell Inc. Latitude E6530
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=UUID=409b2104-0062-403c-8b6b-f07948051f69 ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-nouveau
UpgradeStatus: Upgraded to wily on 2015-09-01 (71 days ago)
dmi.bios.date: 08/27/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A13
dmi.board.name: 07Y85M
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA13:bd08/27/2013:svnDellInc.:pnLatitudeE6530:pvr01:rvnDellInc.:rn07Y85M:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6530
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
xserver.bootTime: Thu Nov 12 07:25:54 2015
xserver.configfile: default
xserver.errors:
 Failed to load module "nvidia" (module does not exist, 0)
 Failed to load module "nvidia" (module does not exist, 0)
 NOUVEAU(G0): [XvMC] Failed to initialize extension.
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                8685 
 vendor                                     AUO
xserver.version: 2:1.17.2-1ubuntu9

** Affects: linux (Ubuntu)
     Importance: Low
         Status: Incomplete


** Tags: amd64 apport-bug bios-outdated-a17 compiz-0.9 ubuntu wily
-- 
Compiz creating high load after kernel update to linux 4.2.0.18
https://bugs.launchpad.net/bugs/1515502
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