Date: Mon, 18 Aug 1997 13:06:15 -0700 (PDT) From: nick@webignite.com To: freebsd-gnats-submit@FreeBSD.ORG Subject: bin/4333: Dump backup utility completely crashes the machine 25% of the time. Message-ID: <199708182006.NAA14664@hub.freebsd.org> Resent-Message-ID: <199708182010.NAA14973@hub.freebsd.org>
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>Number: 4333 >Category: bin >Synopsis: Dump backup utility completely crashes the machine 25% of the time. >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Aug 18 13:10:00 PDT 1997 >Last-Modified: >Originator: Nick Tonkin >Organization: Web-Ignite Corp. >Release: 2.2.1-Release >Environment: FreeBSD olympus.webignite.com 2.2.1-RELEASE FreeBSD 2.2.1-RELEASE #0: Thu May 29 13:03:40 PDT 1997 nick@olympus.webignite.com:/usr/src/sys/compile/052997.2 i386 >Description: When using the "dump" utility to backup the filesystems, a SCSI error appears to occur and the entire machine crashes. This happens not every time, but about once every four or five uses of "dump." The dump command issued as root is `dump Nusd 5000 42500 F` where N is the dump level and F is the file system. It makes no difference what the level of dump is, or which filesystem is being backed up. I have had no other problems with the SCSI devices (two hard disk drives). The SCSI tape drive is a Seagate DDS-2, model CTD8000H-S The machine is a Dell Poweredge Pentium Pro 200 w/. 96Mb RAM The error message when the machine crashes is as follows: st0(ahc 0:6:0):SCB0x3 - timed out while idle, LASTPHASE == 0x1,SCSISIGI == 0x0 SEQ ADDR == 0x5 st0(ahc 0:6:0): Queueing an Abort SCB st0(ahc 0:6:0): SCB0x3 - timed out while idle, LAST PHASE == 0x1, SCSISIGI == 0x0 SEQ ADDR == 0x5 st0(ahc 0:6:0): no longer in timeout ahc0: Issued Channel A Bus Reset. 2 SCBs aborted and then the machine has to be physically powered down and up again. >How-To-Repeat: Hmm, just keep running dump every day and within a week at the outside, it'll happen. >Fix: >Audit-Trail: >Unformatted:
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