From owner-freebsd-questions Thu May 1 06:32:25 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id GAA24011 for questions-outgoing; Thu, 1 May 1997 06:32:25 -0700 (PDT) Received: from federation.addy.com (federation.addy.com [207.239.68.2]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id GAA24006 for ; Thu, 1 May 1997 06:32:23 -0700 (PDT) Received: from localhost (fbsdlist@localhost) by federation.addy.com (8.8.5/8.6.12) with SMTP id JAA06076 for ; Thu, 1 May 1997 09:32:22 -0400 (EDT) Date: Thu, 1 May 1997 09:32:21 -0400 (EDT) From: Cliff Addy To: freebsd-questions@freebsd.org Subject: failure on scsi tape drive Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk A system that had been backing up to tape just fine suddenly began failing (and locking up). Here are the syslog messages: May 1 09:21:32 ferengi /kernel: st0(ahc0:1:0): SCB 0x2 - timed out while idle, LASTPHASE == 0x1, SCSISIGI == 0x0 May 1 09:21:32 ferengi /kernel: SEQADDR == 0x8 May 1 09:21:32 ferengi /kernel: st0(ahc0:1:0): SCB 2: Immediate reset. Flags = 0x401 May 1 09:21:32 ferengi /kernel: st0(ahc0:1:0): no longer in timeout May 1 09:21:32 ferengi /kernel: ahc0: Issued Channel A Bus Reset. 1 SCBs aborted May 1 09:21:32 ferengi /kernel: Clearing bus reset May 1 09:21:32 ferengi /kernel: Clearing 'in-reset' flag May 1 09:21:32 ferengi /kernel: sd0(ahc0:0:0): UNIT ATTENTION asc:29,2 May 1 09:21:32 ferengi /kernel: , retries:4 We're using an adaptec 2940UW and a Seagate 4mm dat. We pulled the hard drive and put it into another machine with identical hardware and experienced the same failures. Is the the infamous 2940UW driver bug? Also, these sudden failure seemed to coincide with a sudden increase in the data on the drive. Would a full tape cause this error? This is all somewhat confusing because we have another server with the same hardware and even more data and it backs up to tape every day just fine. The only difference is that one runs 2.2 and the failing one runs 2.2.1 Any ideas?