Comment 19 for bug 1220165

It should be noted that we are whining about /dev/sda3:

parted_server: OUT: Error informing the kernel about modifications to partition /dev/sda3 -- Device or resource busy. This means Linux won't know about any changes you made to /dev/sda3 until you reboot -- so you shouldn't mount it or use it in any way before rebooting.