Sorry this took so long. I tested with v3.13.11.2-trusty and v3.13.11.3-trusty kernels and they both exhibited the problem.
** Tags added: kernel-bug-exists-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1326567 Title: problem with drm:drm_mode_addfb and drm:radeon_crtc_page_flip Status in “linux” package in Ubuntu: Confirmed Bug description: My kern log is full of literally millions of entries like this: Jun 1 07:51:05 atkinson-phenomIIx4 kernel: [119346.952590] [drm:drm_mode_addfb], [FB:58] Jun 1 07:51:05 atkinson-phenomIIx4 kernel: [119346.952610] [drm:radeon_crtc_page_flip], flip-ioctl() cur_fbo = ffff8803de155400, cur_bbo = ffff880407586000 Jun 1 07:51:05 atkinson-phenomIIx4 kernel: [119346.952632] [drm:radeon_crtc_page_flip], flip-ioctl() cur_fbo = ffff8803de155400, cur_bbo = ffff880407586000 I have found places where other have the problem. But none seem to fix the problem. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-27-generic 3.13.0-27.50 ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11 Uname: Linux 3.13.0-27-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: oatkinson 3117 F.... pulseaudio /dev/snd/controlC1: oatkinson 3117 F.... pulseaudio /dev/snd/controlC0: oatkinson 3117 F.... pulseaudio CurrentDesktop: Unity Date: Wed Jun 4 16:21:04 2014 HibernationDevice: RESUME=UUID=17c46ec6-2541-4e10-9ec2-258d229f3bd8 InstallationDate: Installed on 2011-08-19 (1020 days ago) InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: System manufacturer System Product Name ProcFB: 0 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic root=UUID=3a8918dc-2e21-42ab-8e62-106b9b8f895e ro vesafb.invalid=1 drm.debug=0xe nopat plymouth:debug RelatedPackageVersions: linux-restricted-modules-3.13.0-27-generic N/A linux-backports-modules-3.13.0-27-generic N/A linux-firmware 1.127.2 RfKill: SourcePackage: linux StagingDrivers: zram UpgradeStatus: Upgraded to trusty on 2014-04-18 (47 days ago) dmi.bios.date: 12/23/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 2403 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: M4A88T-M 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.:bvr2403:bd12/23/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88T-M:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1326567/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp