Ubuntu
libgphoto2 package

  1. Bug #67532 (gphoto-ptp-udev)
  2. Comment #44

Comment 44 for bug 67532

Revision history for this message
Marcus Meissner (meissner) wrote : Re: [Bug 67532] Re: udev-rule for PTP class detection broken

On Fri, Dec 07, 2007 at 06:07:51AM -0000, nobtiba wrote:
> Dear all,
>
> I am working with Aiptek mini Pencam 1.3, Vendor ID 04fc; Product ID: 504a. Then i did the fix for both bug 64146, bug 67532 and bug 91250
> add a line: SYSFS{idVendor}=="04fc", SYSFS{idProduct}=="504a", MODE="0660", GROUP="plugdev"
> and
> changing the BUS!="usb*"... line to SUBSYSTEM!="usb_device"...
> or add a line :
> ENV{INTERFACE}=="6/1/1", MODE="0660", GROUP="plugdev"
>
> But nothing can help! I still got the following error when trying to
> access the camera to get info or download picture (by gphoto 2):
>
> gphoto2 --camera "Aiptek Pencam" --port "usb:001,016" --list-files
>
> *** Error ***
> An error occurred in the io-library ('Could not claim the USB device'): Could not claim interface 0 (Device or resource busy). Make sure no other program or kernel module (such as sdc2xx, stv680, spca50x) is using the device and you have read/write access to the device.
> *** Error (-53: 'Could not claim the USB device') ***

This is not about permissions.

This means another process or kernel module is accessing this device.

Ciao, Marcus