Comment 4 for bug 1464969

I just tried with the latest mainline kernel: 4.1.0-040100rc7-generic
Got the same result but different dmesg output:
[ 29.767220] usb 1-2: USB disconnect, device number 2
[ 32.307137] usb 1-2: new high-speed USB device number 4 using xhci_hcd
[ 32.436267] usb 1-2: New USB device found, idVendor=04e8, idProduct=6860
[ 32.436272] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 32.436274] usb 1-2: Product: SAMSUNG_Android
[ 32.436276] usb 1-2: Manufacturer: SAMSUNG
[ 32.436278] usb 1-2: SerialNumber: 2410ba56
[ 52.986605] usb 1-2: usbfs: process 2070 (mtp-detect) did not claim interface 0 before use
[ 53.098907] usb 1-2: reset high-speed USB device number 4 using xhci_hcd
[ 53.227897] usb 1-2: usbfs: process 2070 (mtp-detect) did not claim interface 0 before use
[ 53.395019] usb 1-2: reset high-speed USB device number 4 using xhci_hcd
[ 53.525020] usb 1-2: usbfs: process 2070 (mtp-detect) did not claim interface 0 before use
[ 53.525248] usb 1-2: usbfs: process 2070 (mtp-detect) did not claim interface 0 before use
[ 133.385180] usb 1-2: usbfs: process 2147 (pool) did not claim interface 0 before use
[ 133.497291] usb 1-2: reset high-speed USB device number 4 using xhci_hcd
[ 133.627167] usb 1-2: usbfs: process 2147 (pool) did not claim interface 0 before use
[ 133.793254] usb 1-2: reset high-speed USB device number 4 using xhci_hcd
[ 133.922914] usb 1-2: usbfs: process 2147 (pool) did not claim interface 0 before use
[ 133.923082] usb 1-2: usbfs: process 2147 (pool) did not claim interface 0 before use