kernel-packages team mailing list archive

[Ray Bittner <rbittner7@xxxxxxxxx>]

I found a solution to this bug, please see my post here:

http://forums.linuxmint.com/viewtopic.php?f=49&t=170425

In short, you need to enable the UVC_QUIRK_PROBE_DEF quirk by following
these steps:

1. Unplug your webcam
2. Unload the uvcvideo module (sudo rmmod uvcvideo)
3. Reload the module with the quirks parameter set to 0x100 (sudo modprobe uvcvideo quirks=0x100)
4. Replug your webcam

-- 
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https://bugs.launchpad.net/bugs/1242512

Title:
  045e:0723 [Asus P8Z68-V LE] Webcam Microsoft LifeCam VX-7000 not
  detected

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Description:    Kubuntu 13.10
  Release:        13.10
  Uname: Linux 3.11.0-12-generic x86_64
  Architecture: amd64

  Connect webcam  Microsoft LifeCam VX-7000

  dmesg | grep uvc

  [   12.071480] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0994)
  [   12.086783] usbcore: registered new interface driver uvcvideo
  [  326.239483] uvcvideo: Found UVC 1.00 device Microsoft\xffffffc2\xffffffae\xffffffae LifeCam VX-7000 (045e:0723)
  [  326.239930] uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround.
  [  326.240286] uvcvideo: Failed to query (129) UVC probe control : -32 (exp. 26).
  [  326.240289] uvcvideo: Failed to initialize the device (-5).

  no devices like /dev/video*
  --- 
  ApportVersion: 2.12.5-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  spise      2039 F.... pulseaudio
   /dev/snd/controlC1:  spise      2039 F.... pulseaudio
   /dev/snd/controlC0:  spise      2039 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=bb349c5d-6f2b-4298-ac92-f9e665f329f9
  InstallationDate: Installed on 2013-10-18 (2 days ago)
  InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=4da01eda-d7b6-4655-9e4c-78af9bd0c03b ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-12-generic N/A
   linux-backports-modules-3.11.0-12-generic  N/A
   linux-firmware                             1.116
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  saucy
  Uname: Linux 3.11.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 11/10/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0805
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P8Z68-V LE
  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.:bvr0805:bd11/10/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP8Z68-VLE:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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