Latest working kernel version: 2.6.27
The following messages are showing up overnight in the log:
__log_wait_for_space: no transactions
Aborting journal on device sda3.
EXT3-fs error (device sda3): ext3_journal_start_sb: Detected aborted journal
Remounting filesystem read-only
Proposed Fix: http://lkml.org/lkml/2008/11/1/61
*** This bug has been marked as a duplicate of bug 11937 ***