Date: Sun, 1 Feb 1998 22:57:56 -0600 (CST) From: john@vapornet.net To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/5624: scsi tape woes Message-ID: <199802020457.WAA00372@nitromethane.vapornet.net>
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>Number: 5624 >Category: kern >Synopsis: dumping to tape causes scsi bus reset >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Feb 1 21:00:00 PST 1998 >Last-Modified: >Originator: John Preisler >Organization: vapornet >Release: FreeBSD 3.0-CURRENT i386 >Environment: 2940u and hp 1533a scsi tape drive in a p166 machine running -current >Description: dumping to tape causes scsi bus reset. not logged in kernel, but set to console: ahc0: Issued Channel A Bus Reset. 4 SCBs aborted sd0: SCB 0x1 - timed out in message in phase, SCSISIGI == 0xe6 SEQADDR = 0xca SCSISEQ = 0x12 SSTAT0 = 0x2 STAT1 = 0x3 sd0: abort message in message buffer sd0: SCB 0x1 - timed out in message in phase, SCSISIGI == 0xf6 SEQADDR = 0xca SCSISEQ = 0x12 SSTAT0 = 0x2 SSTAT1 = 0x3 sd0: no longer in timeout over and over and over again until the machine is physically reset [reset button, power cycle, etc] pertinent parts of my demsg: ahc0: <Adaptec 2940 Ultra SCSI host adapter> rev 0x00 int a irq 11 on pci0.19.0 ahc0: aic7880 Single Channel, SCSI Id=7, 16/255 SCBs scbus0 at ahc0 bus 0 ahc0: target 0 Tagged Queuing Device sd0 at scbus0 target 0 lun 0 sd0: <SEAGATE ST32151N 0530> type 0 fixed SCSI 2 sd0: Direct-Access 2049MB (4197405 512 byte sectors) cd0 at scbus0 target 1 lun 0 cd0: <NEC CD-ROM DRIVE:461 2.3d> type 5 removable SCSI 2 cd0: CD-ROM can't get the size st0 at scbus0 target 3 lun 0 st0: <HP C1533A 9608> type 1 removable SCSI 2 st0: Sequential-Access density code 0x24, variable blocks, write-enabled >How-To-Repeat: use gnu tar to dump to scsi tape drive. these used to be intermittent now with the latest build its ever time but i didnt notice any recent scsi commits. >Fix: human sacrifice to scsi god had no effect. >Audit-Trail: >Unformatted:
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