The README file for libmtp suggest removing usb_storage. Here's what I get:
$ sudo rmmod usb_storage $ mtp-detect libmtp version: 0.2.1 Attempting to connect device(s) PTP: Opening session PTP: request code 0x1002 sending req wrote only 0 bytes instead of 16 PTP_ERROR_IO: Trying again after resetting USB inep: usb_get_endpoint_status(): Connection timed out outep: usb_get_endpoint_status(): Connection timed out usb_clear_halt() on IN endpoint: Connection timed out usb_clear_halt() on OUT endpoint: Connection timed out usb_clear_halt() on INTERRUPT endpoint: Connection timed out PTP: Opening session LIBMTP PANIC: Could not open session! (Return code 767) Try to reset the device. LIBMTP PANIC: configure_usb_devices() error code: 7 on line 1806 Detect: There has been an error connecting. Exiting -- Troubles with mtp in mtp-detect and Rhythmbox with a cowon D2 https://bugs.launchpad.net/bugs/139649 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs