Stuart Langridge, as per http://support.lenovo.com/en_US/downloads/default.page?selector=expand an update is available for your BIOS (56cn38ww). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Summary changed: - Lenovo U300s webcam stopped working, somewhere around mid-March 2013 + [Lenovo IdeaPad U300s] webcam stopped working, somewhere around mid-March 2013 ** Attachment removed: "The output of sudo lsusb -v" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1163268/+attachment/3663096/+files/lsusb.out ** Tags added: bios-outdated-56cn38ww needs-upstream-testing ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1163268 Title: [Lenovo IdeaPad U300s] webcam stopped working, somewhere around mid- March 2013 Status in “linux” package in Ubuntu: Incomplete Bug description: Running raring, my webcam on this Lenovo U300s has worked fine, until about a week or two before today (today is April 2nd 2013; it stopped working at some point in the last couple of weeks). The webcam is now unavailable to any tested webcam-using application (Google Hangouts, cheese, guvcview, conversat.io). Cheese says: ** (cheese:15867): WARNING **: cheese-main.vala:251: Error: No device found Guvcview says: unable to detect video devices on your system (0) ERROR opening V4L interface: No such file or directory Init video returned -1 VIDIOC_REQBUFS - Failed to delete buffers: Inappropriate ioctl for device (errno 25) ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: linux-image-3.8.0-15-generic 3.8.0-15.25 ProcVersionSignature: Ubuntu 3.8.0-15.25-generic 3.8.4 Uname: Linux 3.8.0-15-generic x86_64 ApportVersion: 2.9.2-0ubuntu5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: aquarius 2676 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory: 'iw' CheckboxSubmission: 4d186c1dd89d3ba4cb89f5ee55713686 CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f Date: Tue Apr 2 12:53:57 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=2a997b66-19bc-46c5-b10c-2d09ecf514eb InstallationDate: Installed on 2011-12-11 (477 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111211) MachineType: LENOVO 1080 MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-15-generic root=UUID=1897a7e0-a3e7-4d65-811e-c8ffeacf0435 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-15-generic N/A linux-backports-modules-3.8.0-15-generic N/A linux-firmware 1.104 SourcePackage: linux UpgradeStatus: Upgraded to raring on 2013-02-03 (57 days ago) dmi.bios.date: 11/21/2011 dmi.bios.vendor: LENOVO dmi.bios.version: 56CN38WW dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: U300s dmi.board.vendor: LENOVO dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo IdeaPad U300s dmi.modalias: dmi:bvnLENOVO:bvr56CN38WW:bd11/21/2011:svnLENOVO:pn1080:pvrLenovoIdeaPadU300s:rvnLENOVO:rnU300s:rvr1.0:cvnLENOVO:ct10:cvrLenovoIdeaPadU300s: dmi.product.name: 1080 dmi.product.version: Lenovo IdeaPad U300s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1163268/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
