I'm also observing Banshee crashing when either the iPod is plugged in, or if launch when iPod is already docked.
Ubuntu 14.04 64-bit
iPod Touch 2nd Gen 32GB, iOS4.1
Prior to upgrade (13.10 64-bit):
Banshee crashed if iPod was already docked when it was launched; it did not crash when iPod plugged in after launch.
I'm also observing Banshee crashing when either the iPod is plugged in, or if launch when iPod is already docked.
Ubuntu 14.04 64-bit
iPod Touch 2nd Gen 32GB, iOS4.1
Prior to upgrade (13.10 64-bit):
Banshee crashed if iPod was already docked when it was launched; it did not crash when iPod plugged in after launch.
Suspect this might be a libgtkpod issue.