Confirm same behaviour in Ubuntu 13.10. $ cat /etc/udev/rules.d/99-android.rules #SamsungI9305 SUBSYSTEM==usb, SYSFS{idVendor}==04e8, MODE=0666
$ mtp-detect Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6 Listing raw device(s) Device 0 (VID=04e8 and PID=6860) is a Samsung Galaxy models (MTP). Found 1 device(s): Samsung: Galaxy models (MTP) (04e8:6860) @ bus 3, dev 34 Attempting to connect device(s) ignoring libusb_claim_interface() = -6PTP_ERROR_IO: failed to open session, trying again after resetting USB interface LIBMTP libusb: Attempt to reset device inep: usb_get_endpoint_status(): No such device outep: usb_get_endpoint_status(): No such device usb_clear_halt() on IN endpoint: No such device usb_clear_halt() on OUT endpoint: No such device usb_clear_halt() on INTERRUPT endpoint: No such device libusb_open() failed!: No such device LIBMTP PANIC: Could not init USB on second attempt Unable to open raw device 0 OK. $ dmesg (...) [ 1201.600847] usb 3-1.3: usbfs: process 5846 (mtp-detect) did not claim interface 0 before use [ 1201.632841] usb 3-1.3: USB disconnect, device number 34 [ 1201.835855] usb 3-1.3: new high-speed USB device number 35 using xhci_hcd [ 1201.852726] usb 3-1.3: New USB device found, idVendor=04e8, idProduct=6860 [ 1201.852737] usb 3-1.3: New USB device strings: Mfr=2, Product=3, SerialNumber=4 [ 1201.852756] usb 3-1.3: Product: SAMSUNG_Android [ 1201.852758] usb 3-1.3: Manufacturer: SAMSUNG [ 1201.852759] usb 3-1.3: SerialNumber: 42f7a00e5f56af2f [ 1201.853591] cdc_acm 3-1.3:1.1: This device cannot do calls on its own. It is not a modem. [ 1201.853656] cdc_acm 3-1.3:1.1: ttyACM3: USB ACM device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1015010 Title: Cannot connect to Samsung Galaxy S III To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libmtp/+bug/1015010/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs