From owner-freebsd-scsi  Tue Jun 19 20:53:57 2001
Delivered-To: freebsd-scsi@freebsd.org
Received: from beppo.feral.com (beppo.feral.com [192.67.166.79])
	by hub.freebsd.org (Postfix) with ESMTP id 7E0CD37B403
	for <freebsd-scsi@FreeBSD.ORG>; Tue, 19 Jun 2001 20:53:54 -0700 (PDT)
	(envelope-from mjacob@feral.com)
Received: from beppo (mjacob@beppo [192.67.166.79])
	by beppo.feral.com (8.11.3/8.11.3) with ESMTP id f5K3rZg67092;
	Tue, 19 Jun 2001 20:53:36 -0700 (PDT)
	(envelope-from mjacob@feral.com)
Date: Tue, 19 Jun 2001 20:53:35 -0700 (PDT)
From: Matthew Jacob <mjacob@feral.com>
Reply-To: mjacob@feral.com
To: Brad Waite <brad@wcubed.net>
Cc: freebsd-scsi@FreeBSD.ORG
Subject: Re: data overruns on 'tar x' from DAT
In-Reply-To: <3B300C4A.4D771C68@wcubed.net>
Message-ID: <Pine.BSF.4.21.0106192052210.67073-100000@beppo.feral.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-scsi@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-scsi.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo?subject=subscribe%20freebsd-scsi>
List-Unsubscribe: <mailto:majordomo?subject=unsubscribe%20freebsd-scsi>
X-Loop: FreeBSD.org


The record being read from tape is larger than the buffer you've allocated in
tar.

It may be you're in trouble. Default maxphys on Sun's is 124KB. That's
substantially larger than that which is allowed by default in FreeBSD. Check
-questions as to how to cope. 

On Tue, 19 Jun 2001, Brad Waite wrote:

> I'm trying to retrieve data from a tar archive created from a Sun box on DAT,
> but I keep getting these errors:
> 
> Jun 19 19:26:31 host /kernel: (sa0:ahc0:0:3:0): data overrun detected in Data-in
> phase.  Tag == 0x6.
> Jun 19 19:26:31 host /kernel: (sa0:ahc0:0:3:0): data overrun detected in Data-in
> phase.  Tag == 0x6.
> Jun 19 19:26:31 host /kernel: (sa0:ahc0:0:3:0): Have seen Data Phase.  Length =
> 20480.  NumSGs = 5.
> Jun 19 19:26:31 host /kernel: (sa0:ahc0:0:3:0): Have seen Data Phase.  Length =
> 20480.  NumSGs = 5.
> 
> After which tar says there's a read error and pukes.  What's causing this?
> 
> Thanks,
> 
> Brad Waite
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
> with "unsubscribe freebsd-scsi" in the body of the message
> 


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-scsi" in the body of the message