I have the same issue in a freshly installed precise system. The ratio of lost space is similar for me as well.
From "df -h" /dev/mapper/X20VG-PRECISE_VAR 488M 140M 168M 46% /var
I have the same issue in a freshly installed precise system. The ratio of lost space is similar for me as well.
From "df -h" X20VG-PRECISE_ VAR 488M 140M 168M 46% /var
/dev/mapper/