Rhythmbox can't sync iphone 4 in Ubuntu 12.04

I have been trying to sync my iPhone 4 (not sure of iOS version but I just got it so maybe iOS 6?) in Rhythmbox but it either crashes, or it reports that "there is not enough space on this device."

I am running Ubuntu Precise 12.04.2 LTS.

Things I tried:

• Updating libimobiledevice via the pmcenery ppa (following instructions here). I tried the libimobiledevice0, libimobiledevice1, and libimobiledevice2 packages. The most recent version is 1.1.1-4.
• Updating Rhythmbox. I have version 2.96.
• I tried using Spotify but it did not recognize my iPhone.