Re: [Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-16 Thread Ming Lei
On Mon, Dec 17, 2012 at 1:19 PM, Kzhi wrote: > I tested it with no usb devices plugged in except the camera both on bus > 1 and 2 with the same result. OK, could you post the 'lsusb -v' on your camera? Also it will be helpful if you can collect usbmon[1] trace on the device(it is better to only c

[Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-16 Thread Kzhi
I tested it with no usb devices plugged in except the camera both on bus 1 and 2 with the same result. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1088395 Title: Can't read uvcvideo (usb video / w

Re: [Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-16 Thread Ming Lei
Firstly, the uvc video camera is recognized as one full speed device, so the iso schedule will have to take split transaction which doesn't behave well on linux. Secondly, there are so many devices[1] which are connected to the USB bus 2, and some of them are full speed devices too, so could you

[Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-13 Thread Joseph Salisbury
This issue appears to be an upstream bug, since you tested the latest upstream kernel. Would it be possible for you to open an upstream bug report[0]? That will allow the upstream Developers to examine the issue, and may provide a quicker resolution to the bug. Please follow the instructions on

[Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-13 Thread Kzhi
Joseph, just tested it with the latest raring kernel downloaded from the links. Exactly the same message: libv4l2: error turning on stream: No space left on device ** Tags added: raring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1088395] Re: Can't read uvcvideo (usb video / webcams) devices

2012-12-11 Thread Joseph Salisbury
Would it be possible for you to test the latest raring kernel, which can be downloaded from: https://launchpad.net/ubuntu/+source/linux/3.7.0-6.14/+build/404/+files/linux-image-3.7.0-6-generic_3.7.0-6.14_amd64.deb https://launchpad.net/ubuntu/+source/linux/3.7.0-6.14/+build/404/+files/linu