Public bug reported: I'm seeing the same symptoms as described by: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- nouveau/+bug/1020221
I thought it would be worth reporting, because I just upgraded to the new Ubuntu 13.10, so it hasn't been resolved yet. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 NonfreeKernelModules: wl .tmp.unity.support.test.0: ApportVersion: 2.12.5-0ubuntu2.1 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 Nov 5 10:58:19 2013 DistUpgraded: 2013-11-03 13:42:12,641 DEBUG enabling apt cron job DistroCodename: saucy DistroVariant: ubuntu DkmsStatus: bcmwl, 6.30.223.141+bdcom, 3.11.0-12-generic, x86_64: installed bcmwl, 6.30.223.141+bdcom, 3.8.0-32-generic, x86_64: installed virtualbox, 4.2.16, 3.11.0-12-generic, x86_64: installed virtualbox, 4.2.16, 3.8.0-32-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: Apple Inc. Device [106b:00f7] NVIDIA Corporation GK107M [GeForce GT 650M Mac Edition] [10de:0fd5] (rev a1) (prog-if 00 [VGA controller]) Subsystem: Apple Inc. Device [106b:00f2] InstallationDate: Installed on 2013-07-03 (125 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: Apple Inc. MacBookPro10,1 MarkForUpload: True ProcEnviron: LANGUAGE=en_US TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: \boot\vmlinuz-3.11.0-12-generic ro root=UUID=759bfd6b-68b3-4455-ba2a-c79286c0bcc1 initrd=boot\initrd.img-3.11.0-12-generic SourcePackage: xserver-xorg-video-nouveau UpgradeStatus: Upgraded to saucy on 2013-11-03 (1 days ago) dmi.bios.date: 12/21/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP101.88Z.00EE.B03.1212211437 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-C3EC7CD22292981F dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro10,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-C3EC7CD22292981F dmi.modalias: dmi:bvnAppleInc.:bvrMBP101.88Z.00EE.B03.1212211437:bd12/21/2012:svnAppleInc.:pnMacBookPro10,1:pvr1.0:rvnAppleInc.:rnMac-C3EC7CD22292981F:rvrMacBookPro10,1:cvnAppleInc.:ct10:cvrMac-C3EC7CD22292981F: dmi.product.name: MacBookPro10,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.46-1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3 version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.9-2ubuntu1 xserver.bootTime: Tue Nov 5 10:24:31 2013 xserver.configfile: default xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.14.3-3ubuntu2 xserver.video_driver: nouveau ** Affects: xserver-xorg-video-nouveau (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 saucy ubuntu ** Summary changed: - Plugging in displayport monitor send kworker 100% CPU + Plugging in displayport monitor causes kworker to take 100% CPU -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1248256 Title: Plugging in displayport monitor causes kworker to take 100% CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1248256/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp