I've installed 3.11.0-031100rc3-generic (3.11.0-031100rc3.201307290035) from http://kernel.ubuntu.com/~kernel-ppa/mainline/
This fixes the problem. -- 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/1207612 Title: 046d:0825 Using webcam fills log with xhci_hcd errors Status in “linux” package in Ubuntu: Confirmed Bug description: My kernel log fills up with messages like this (several dozens of times per second) when I'm using my Logitech webcam: Bus 001 Device 009: ID 046d:0825 Logitech, Inc. Webcam C270 [39578.723588] xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA ptr not part of current TD ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.10.0-6-generic 3.10.0-6.17 ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3 Uname: Linux 3.10.0-6-generic x86_64 ApportVersion: 2.11-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: martijn 2421 F.... pulseaudio /dev/snd/controlC2: martijn 2421 F.... pulseaudio /dev/snd/pcmC2D0p: martijn 2421 F...m pulseaudio /dev/snd/controlC0: martijn 2421 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. Date: Fri Aug 2 06:56:16 2013 HibernationDevice: RESUME=UUID=024bd461-597f-4fdc-aa42-dd226e9d554b InstallationDate: Installed on 2013-06-02 (60 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) IwConfig: eth0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. Z87X-OC MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.10.0-6-generic root=UUID=47694405-80e7-45ce-b6b1-c8b69d2be423 ro intel_pstate=enable quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.10.0-6-generic N/A linux-backports-modules-3.10.0-6-generic N/A linux-firmware 1.112 RfKill: SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-06-05 (57 days ago) dmi.bios.date: 07/18/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: F5 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: Z87X-OC-CF dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF5:bd07/18/2013:svnGigabyteTechnologyCo.,Ltd.:pnZ87X-OC:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ87X-OC-CF:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.: dmi.product.name: Z87X-OC dmi.product.version: To be filled by O.E.M. dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1207612/+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