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Found this message in dmesg: 
[18760.486422] Hardware name: LENOVO 20207/20207  , BIOS H1ET75WW(1.18) 06/27/2013
[18760.486424]  ffffffffc07dded8 ffff88011e243d28 ffffffff817c4e0f 0000000000000007
[18760.486426]  ffff88011e243d78 ffff88011e243d68 ffffffff81076a8a ffff88011e243d88
[18760.486428]  ffff8800c224c000 ffff8800c16f1000 0000000000000000 ffff8800c16f11a8
[18760.486430] Call Trace:
[18760.486432]  <IRQ>  [<ffffffff817c4e0f>] dump_stack+0x45/0x57
[18760.486440]  [<ffffffff81076a8a>] warn_slowpath_common+0x8a/0xc0
[18760.486442]  [<ffffffff81076b06>] warn_slowpath_fmt+0x46/0x50
[18760.486459]  [<ffffffffc0788cda>] intel_check_page_flip+0xda/0xf0 [i915]
[18760.486472]  [<ffffffffc07557f8>] ironlake_irq_handler+0x2e8/0xfd0 [i915]
[18760.486474]  [<ffffffff810dd750>] ? internal_add_timer+0x80/0x80
[18760.486477]  [<ffffffff810e091c>] ? hrtimer_get_next_event+0xac/0xd0
[18760.486480]  [<ffffffff810ceaa7>] handle_irq_event_percpu+0x77/0x1a0
[18760.486483]  [<ffffffff810cec11>] handle_irq_event+0x41/0x70
[18760.486485]  [<ffffffff810d1c7e>] handle_edge_irq+0x6e/0x120
[18760.486488]  [<ffffffff81017762>] handle_irq+0x22/0x40
[18760.486491]  [<ffffffff817ceedf>] do_IRQ+0x4f/0xf0
[18760.486493]  [<ffffffff817ccced>] common_interrupt+0x6d/0x6d
[18760.486494]  <EOI>  [<ffffffff81666505>] ? cpuidle_enter_state+0x65/0x160
[18760.486499]  [<ffffffff816664f1>] ? cpuidle_enter_state+0x51/0x160
[18760.486501]  [<ffffffff816666e7>] cpuidle_enter+0x17/0x20
[18760.486503]  [<ffffffff810b7d71>] cpu_startup_entry+0x311/0x3b0
[18760.486507]  [<ffffffff81049017>] start_secondary+0x197/0x1c0
[18760.486509] ---[ end trace 0a3cc2023da78889 ]---

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-31.36-generic 3.19.8-ckt7
Uname: Linux 3.19.0-31-generic x86_64
NonfreeKernelModules: wl
.tmp.unity.support.test.0:
 
ApportVersion: 2.17.2-0ubuntu1.7
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: Mon Nov  2 18:06:55 2015
DistUpgraded: Fresh install
DistroCodename: vivid
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 6.30.223.248+bdcom, 3.19.0-15-generic, x86_64: installed
 bcmwl, 6.30.223.248+bdcom, 3.19.0-30-generic, x86_64: installed
 bcmwl, 6.30.223.248+bdcom, 3.19.0-31-generic, x86_64: installed
 vboxhost, 5.0.6, 3.19.0-30-generic, x86_64: installed
 vboxhost, 5.0.6, 3.19.0-31-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:5002]
InstallationDate: Installed on 2015-10-07 (26 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20207
ProcEnviron:
 LANGUAGE=en_IN:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-31-generic root=UUID=3af97ba8-67d0-4b9b-9b43-0c9d8a2138f5 ro quiet splash vt.handoff=7
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/27/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: H1ET75WW(1.18)
dmi.board.asset.tag: Not Available
dmi.board.name: 20207
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:bvrH1ET75WW(1.18):bd06/27/2013:svnLENOVO:pn20207:pvrLenovoB490:rvnLENOVO:rn20207:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20207
dmi.product.version: Lenovo B490
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.1+15.04.20150922-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.60-2
version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
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~exp1ubuntu2.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
xserver.bootTime: Mon Nov  2 10:15:24 2015
xserver.configfile: default
xserver.errors:
 
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
 product id                                1402 
 vendor                                     IVO
xserver.version: 2:1.17.1-0ubuntu3.1

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


** Tags: amd64 apport-bug compiz-0.9 ubuntu vivid
-- 
Lenovo - Trace effect
https://bugs.launchpad.net/bugs/1512348
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