koji kernel: "barrier-based sync failed"

[Bruno Wolff III]

On Sat, Jul 25, 2009 at 11:26:25 +0200,
  yarkot <no-reply-gw at fcp.surfsite.org> wrote:
> I don't know if this will help -  The "barrier based sync failed on dm-0:8"  is I think a symptom of something else.

Most of the device mapper block devices can't handle barriers. It's normal
to get a message like that if you enable barriers at the file system level
and one of the underlying block devices doesn't support them.