Делал по этому мануалу: http://www.webupd8.org/2013/01/upgrade-to-gvfs-with-mtp-support-in.html
Телефон становится виден в Nautilus, но не открывается.
Вывод mtp-detect:
~$ mtp-detect
Unable to open ~/.mtpz-data for reading, MTPZ disabled.libmtp version: 1.1.6
Listing raw device(s)
Device 0 (VID=0fce and PID=514f) is a SonyEricsson LT15i Xperia Arc MTP+ADB.
Found 1 device(s):
SonyEricsson: LT15i Xperia Arc MTP+ADB (0fce:514f) @ bus 1, dev 2
Attempting to connect device(s)
PTP_ERROR_IO: failed to open session, trying again after resetting USB interface
LIBMTP libusb: Attempt to reset device
LIBMTP PANIC: failed to open session on second attempt
Unable to open raw device 0
OK.