Upon starting up...
fsck from util-linux-ng 2.17.2
[      8.284257] EXT4-fs (dm-0): Cannot change data mode on remount
An error occurred while mounting /
Press S to skip mounting or M for manual recovery
/dev/mapper/ubuntu-root: clean, 123391/2908160 files, 1248108/11625472 blocks (check in f mount
mount: / not mounted already, or bad option
mountall: mount / [738] termintaed with status 32
mountall: Filesystem could not be mounted: /
/dev/sda1: clean, 216/124496 files, 38806/248832 blocks

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# mount
/dev/mapper/ubuntu-root on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
none on /sys type sysfs (rw,noexec,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
none on /dev type devtmpfs (rw,mode=0755)
none on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
none on /dev/shm type tmpfs (rw,nosuid,nodev)
none on /var/run type tmpfs (rw,nosuid,mode=0755)
none on /var/lock type tmpfs (rw,noexec,nosuid,nodev)
none on /var/lib/ureadahead/debugfs type debugfs (rw,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev                                )

mount: warning: /etc/mtab is not writable (e.g. read-only filesystem).
       It's possible that information reported by mount(8) is not
       up to date. For actual information about system mount points
       check the /proc/mounts file.


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