Random Lockup with FreeBSD 10.2 on SuperMicro Boards

[Gerhard Schmidt]

Am Montag, den 16.11.2015, 10:43 +0100 schrieb Julien Cigar:
> On Mon, Nov 16, 2015 at 08:13:09AM +0100, Gerhard Schmidt wrote:
> > Hi,
> 
> Hello,
> 
> > 
> > I'm running quiet a few FreeBSD servers on SuperMicro Boards. I'm
> > in the
> > process of upgrading from 10.1 to 10.2. On the machines running
> > 10.2 I'm
> > experiencing so random lockups.
> > 
> > The server running fine bit sometimes (about 2-3 month apart the
> > /var
> > filesystem just locks. Other filesystems on the same drive (mirror
> > -raid)
> > still working, only when accessing anything on /var blocks the
> > process.
> > 
> > The same machines running with 10.1 don't have this Problem.
> > 
> > 
> try to disable SU+J (tunefs -j disable), I had random lockups with HP
> Proliant servers too and problem. Problem went away when I turned off
> SU+J.

As expected. Turning Journaling off didn't change anything. The Server
still freze randomly between 1 and 50 Days appart.

Regards 
  Estartu