On Thu, Jul 18, 2013 at 01:49:04PM -0700, Gene Kopan wrote: > Hi Sarah, thanks for helping. I answer your questions below. > > On 07/18/2013 12:55 PM, Sarah Sharp wrote: > >On Thu, Jul 18, 2013 at 11:03:32AM -0700, Gene Kopan wrote: > >>Hello Sarah, > >> > >> I am having an xhci_hcd problem on my ASUS U47A laptop (running > >>linux Mint 14) failing to mount an ASUS Xtion PRO Live RGBD camera: > works fine on my older usb2 tower machine running mint 14 (same > kernel) and ubuntu 10.04 Right, that's not an xHCI host. And you probably don't have the internal webcam. > >>Jun 5 14:39:44 whiz7u kernel: [15698.052800] xhci_hcd 0000:00:14.0: Not enough bandwidth. Proposed: 1663, Max: 1607 > >>Jun 5 14:39:44 whiz7u kernel: [15698.052809] xhci_hcd 0000:00:14.0: Not enough bandwidth > >>Jun 5 14:39:44 whiz7u kernel: [15698.052820] usb 3-1: can't set config #1, error -12 > >Your camera is taking up too much of the xHCI bus bandwidth. Not by > >much, but the host simply won't be able to provide that much bandwidth. > how can that be when the camera works fine on my older usb2 machine? > >What other USB devices do you have attached to the system? If you > >unplug them, and re-plug in the camera, does it work? > The ASUS u47a laptop also has a built-in video camera (which works > fine). I don't know how to disable it Find the camera in the lsusb (and `lsusb -t`) output, and then follow these directions to unbind the driver: http://lwn.net/Articles/143397/ Then try using your other camera. If that doesn't work, you may have to unconfigure the device by running something like: root@xanatos:/sys/bus/usb/devices/3-1.6# echo 0 > bConfigurationValue Alan, is that the right command? It fails on my machine with -EINVAL. > I have seen others complaining about this problem with xhci_hcd > drivers and this (Primesense)camera. I could find a pointer to such > a discussion if that is useful. Let me know if I can provide other > info. If that works, hopefully you can point them to the same solution. Sarah Sharp -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
