UPDATE: This bug is fixed with the dracut update to version dracut-037-17.9.1
I was never very fond of dracut, but I did not think it would be so totally untested: openSUSE Bug #906592. Executive summary: hibernate will most likely silently corrupt (at least) your root filesystem during resume from disk.
If you are lucky, a later writeback from buffers / cache will "fix" it, but the way dracut resumes the system is definitely broken and I already had the filesystem corrupted on my test VM, while investigating the issue, so it is not only a theoretical problem.
Until this bug is fixed: Do not hibernate on openSUSE 13.2.