Jul  7 13:18:49 ubuntu kernel: [  717.001387] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
Jul  7 13:18:49 ubuntu kernel: [  717.027764] hfs: can't find a HFS filesystem on dev sda2
Jul  7 13:19:19 ubuntu kernel: [  747.188810] EXT4-fs (sda2): unable to read superblock
Jul  7 13:19:19 ubuntu kernel: [  747.196740] EXT4-fs (sda2): unable to read superblock
Jul  7 13:19:19 ubuntu kernel: [  747.205084] EXT4-fs (sda2): unable to read superblock
Jul  7 13:19:19 ubuntu kernel: [  747.213526] FAT-fs (sda2): bogus number of reserved sectors
Jul  7 13:19:19 ubuntu kernel: [  747.216658] FAT-fs (sda2): Can't find a valid FAT filesystem
Jul  7 13:19:19 ubuntu kernel: [  747.231108] XFS (sda2): Invalid superblock magic number
Jul  7 13:19:19 ubuntu kernel: [  747.245854] FAT-fs (sda2): bogus number of reserved sectors
Jul  7 13:19:19 ubuntu kernel: [  747.250659] FAT-fs (sda2): Can't find a valid FAT filesystem
Jul  7 13:19:19 ubuntu kernel: [  747.269955] MINIX-fs: unable to read superblock
Jul  7 13:19:19 ubuntu kernel: [  747.276130] attempt to access beyond end of device
Jul  7 13:19:19 ubuntu kernel: [  747.276150] sda2: rw=16, want=3, limit=2
Jul  7 13:19:19 ubuntu kernel: [  747.276161] hfsplus: unable to find HFS+ superblock
Jul  7 13:19:19 ubuntu kernel: [  747.281655] qnx4: no qnx4 filesystem (no root dir).
Jul  7 13:19:19 ubuntu kernel: [  747.289335] ufs: You didn't specify the type of your ufs filesystem