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I have Gembird cam68ut. On my Ubuntu 12.10 it shows black screen in cheese and guvcview. I tested it in win7, it works fine.

Here what I found:

  • It is a uvc compliant camera, I checked on the site: 18ec:3299 USB 2.0 PC Camera (model number QC3231) ArkMicro
  • This webcam is report by lsusb: Bus 001 Device 004: ID 18ec:3299 Arkmicro Technologies Inc.
  • Here is the output of dmesg | tail:

    uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA (18ec:3299)
    uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround.
    input: USB2.0 PC CAMERA as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.5/1-1.5:1.0/input/input17
    usbcore: registered new interface driver uvcvideo
    USB Video Class driver (1.1.1)
    
  • When I run cheese (or guvcview), here what I get in terminal:

    libv4l2: error turning on stream: No space left on device
    (cheese:11797): cheese-WARNING **: Internal data flow error.
    
  • I tried it on different usb slots with the same results
  • The Webcam's microphone works, I can record audio with it

Update: I tested it on other two machines with the same Ubuntu and it works without problems having the same dmseg | tail message.

Guys, may be it is a bug with USB controller driver in the kernel (because on that machine camera works in win7)?

1 Answer 1

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I tested it on two other machines with the same Ubuntu and it worked out of the box. It is a long known bug with USB host controller. I reported it on launchpad: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1088395. Also I found a very similar bug: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1088395

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