I have the same problem. I can't copy a big file to my smartphone Xiaomi mi2s. The transfer start but stop after 1 or 2 or 3 minutes.
Ubuntu 14.10 32bits Version of libmtp 1.1.6-20-g1b9f164-1ubuntu5 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mtp in Ubuntu. https://bugs.launchpad.net/bugs/1369651 Title: "libmtp error: Could not send object info" when copying content to root MTP folder Status in mtp package in Ubuntu: Invalid Bug description: ENVIRONMENT: Ubuntu device: ubuntu-rtm/14.09-proposed build 40 Desktop: Ubuntu 14.10 SUMMARY: "libmtp error: Could not send object info" when copying content to root MTP folder STEPS: 1) Connect Ubuntu MTP device over USB 2) Attempt to copy some content to the root of the MTP folder EXPECTED RESULT: The copy operation should succeed. (This is the Android behaviour). ACTUAL RESULT: An error message is presented on desktop: "libmtp error: Could not send object info" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mtp/+bug/1369651/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

