There have been some reports of data corruption with fresh (not upgraded) ext4 file systems with large files (over 512MB). The issue is under investigation. Users who routinely manipulate large files may want to consider using ext3 file systems until this issue is resolved.
Proposed release note:
There have been some reports of data corruption with fresh (not upgraded) ext4 file systems with large files (over 512MB). The issue is under investigation. Users who routinely manipulate large files may want to consider using ext3 file systems until this issue is resolved.