It looks like it is migration-assistant mounting /dev/sda9:
Apr 13 10:13:44 ubuntu migration-assistant: info: setting ostype from: '/dev/sda9:Ubuntu 11.10 (11.10):Ubuntu1:linux' Apr 13 10:13:44 ubuntu migration-assistant: info: got ostype of: 'linux', mountpoint is: '/ target' Apr 13 10:13:45 ubuntu kernel: [ 812.201775] EXT4-fs (sda9): mounted filesystem with ordered data mode. Opts: (null)
It looks like it is migration-assistant mounting /dev/sda9:
Apr 13 10:13:44 ubuntu migration- assistant: info: setting ostype from: '/dev/sda9:Ubuntu 11.10 (11.10) :Ubuntu1: linux' assistant: info: got ostype of: 'linux', mountpoint is: '/ target'
Apr 13 10:13:44 ubuntu migration-
Apr 13 10:13:45 ubuntu kernel: [ 812.201775] EXT4-fs (sda9): mounted filesystem with ordered data mode. Opts: (null)