I installed libimobiledevice 1.1.1 from http://ppa.launchpad.net/popey/ppa/ubuntu/pool/main/libi/libimobiledevice/ and it works now in ubuntu 11.10 beta 2 with ios 5 GM
I installed libimobiledevice 1.1.1 from http:// ppa.launchpad. net/popey/ ppa/ubuntu/ pool/main/ libi/libimobile device/ and it works now in ubuntu 11.10 beta 2 with ios 5 GM