[SOLVED] ipod - Unhandled Lockdown error(mounting issue)

Solution: Many of the ipod users cannot mount their device in ubuntu 11.10. it usually throws an error ubuntu 10.10 unhandled lockdown error -4, to fix this, execute the following line one by one in a terminal window

sudo apt-get install ifuse libimobiledevice-utilsCode:
idevicepair unpair && idevicepair pair