Date: Tue, 20 May 1997 05:10:49 -0400 (EDT) From: Hoss Firooznia <hfir@math.rochester.edu> To: freebsd-questions@freebsd.org Subject: Need explanation of SCSI error Message-ID: <Pine.SGI.3.95.970520045117.15670A-100000@poincare.math.rochester.edu>
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Hello, If someone could explain (or point me towards an explanation) for the following problem I'd be grateful. For several months now on one machine (and under both 2.1.5-R and 2.2.2-R) I've been getting the following cryptic SCSI errors with a Conner drive on an Adaptec 2940 controller: /kernel: sd0(ahc0:0:0): ABORTED COMMAND info:7f877f csi:f,90,0,27 asc:9,0 Track following error field replaceable unit: 15 /kernel: , retries:4 And here's what dmesg reports for the controller and disk: ahc0 <Adaptec 2940 Ultra SCSI host adapter> rev 0 int a irq 9 on pci0:15 ahc0: aic7880 Single Channel, SCSI Id=7, 16 SCBs (ahc0:0:0): "CONNER CFP4207S 4.28GB 5767" type 0 fixed SCSI 2 sd0(ahc0:0:0): Direct-Access 4096MB (8388608 512 byte sectors) At first I thought this might be a SCSI termination problem, but after checking and rechecking terminators and cable connections, the errors still keep appearing in the syslog. I also had the controller reformat and verify the disk, but no bad blocks were found, apparently, and the problem remains. I'd like to return the drive if it's defective, but I don't quite know what to complain about to my vendor since I don't quite understand the problem. Is it possible to determine *why* a command is being aborted from the information contained in the error message? Can I fix the problem by reconfiguring the drive somehow? Any help will be greatly appreciated! Thank you, Hoss -- Hoss Firooznia | hfir@math.rochester.edu Department of Mathematics | URL: http://www.math.rochester.edu/u/hfir/ University of Rochester | PGP key: finger hfir@math.rochester.edu
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