Moving the mouse causes Xorg CPU use to spike

[Mikko Tamminen]

When I rotate my mouse over my web-browser, I can get the cpu usage to spike as high as 40%. When I am not moving the mouse, it shows 1% usage. Rotating the mouse over a terminal window, it jumps to 3-5%.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-30-generic 3.8.0-30.44
ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
Uname: Linux 3.8.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
CRDA:
 country FR:
  (2402 - 2482 @ 40), (N/A, 20)
  (5170 - 5250 @ 40), (N/A, 20)
  (5250 - 5330 @ 40), (N/A, 20), DFS
  (5490 - 5710 @ 40), (N/A, 27), DFS
Date: Mon Sep 30 16:59:31 2013
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=9b85db44-df02-4e46-b3b4-b0e0070979ee
InstallationDate: Installed on 2013-09-17 (12 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: System manufacturer System Product Name
MarkForUpload: True
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-30-generic root=UUID=6b425f14-32d5-426b-9fab-eb9d8a71e78d ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.8.0-30-generic N/A
 linux-backports-modules-3.8.0-30-generic N/A
 linux-firmware 1.106
RfKill:
 1: phy1: Wireless LAN
  Soft blocked: no
  Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/15/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0904
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8H77-I
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0904:bd10/15/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8H77-I:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.12 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.12-rc3-saucy/

[Mikko Tamminen (mikko-k-tamminen)]

I am running the latest kernel, and the system feels almost alarmingly snappy compared to before. Thanks!

[penalvch (penalvch)]

Mikko Tamminen, could you please confirm this issue exists with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains, please just make a comment to this.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]