from console

<Feb/19 10:56 pm>[2012299.889997] journal commit I/O error

[2012528.354203] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
[2012528.354203] 
[2012528.363773] Pid: 1, comm: init Tainted: G           O 3.7.6 #1
[2012528.369807] Call Trace:
[2012528.372470]  [<ffffffff8151470d>] panic+0xb9/0x1c5
[2012528.377467]  [<ffffffff810322fe>] do_exit+0x361/0x7a0
[2012528.382725]  [<ffffffff810327af>] do_group_exit+0x72/0x9a
[2012528.388337]  [<ffffffff8103c701>] get_signal_to_deliver+0x442/0x461
[2012528.394820]  [<ffffffff81002016>] do_signal+0x2c/0x4d6
[2012528.400163]  [<ffffffff81024f3a>] ? is_prefetch+0xc1/0x1c2
[2012528.405868]  [<ffffffff810024e7>] do_notify_resume+0x27/0x5f
[2012528.411736]  [<ffffffff815176f5>] retint_signal+0x3d/0x78