Date: Wed, 16 Apr 1997 18:14:36 +0300 (EET DST) From: Seppo Kallio <kallio@cc.jyu.fi> To: hardware@freebsd.org, hackers@freebsd.org Cc: Seppo Kallio <kallio@cc.jyu.fi> Subject: Repeated UNIT ATTENTION, what is it, is this serious? Message-ID: <Pine.LNX.3.95.970416175011.16730A-100000@itu.cc.jyu.fi>
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I have a Pentium P90 Intel Zappa, FreeBSD 2.1.5 NFS server. It has one AHA 2940 + 3 Seagate disks (2+4+4G) and one AHA 2940 + HP Tape robot I am getting more and more this kind of error messages. First suspected the HP dat tape causing them. (That is why I have it in it's own AHA2940). The errors seem to happen regularly but not in peak hours, the usual clock times are about 02 04 05 08 14 16 17 19 20 21 22 23. It fits somehow to the tape activity but not 100%. I am taking backups at night time from 00:00 to 09:00. Is this a sign of some hardware problem? SCSI cable, terminator, some disk having malfunction? Or is this the aic7xxx driver problem I have heard? uname -a FreeBSD motti.cc.jyu.fi 2.1.5-RELEASE FreeBSD 2.1.5-RELEASE #0: Wed Jul 17 03:09:31 1996 jkh@whisker.cdrom.com:/usr/src/sys/compile/GENERIC i386 Apr 13 21:15:10 motti /kernel: sd2(ahc0:4:0): timed out in dataout phase, SCSISIGI == 0x4 Apr 13 21:15:10 motti /kernel: ahc0: Issued Channel A Bus Reset #2. 3 SCBs aborted Apr 13 21:15:10 motti /kernel: sd1(ahc0:2:0): UNIT ATTENTION asc:29,0 Apr 13 21:15:10 motti /kernel: sd1(ahc0:2:0): Power on, reset, or bus device reset occurred field replaceable unit: 1 Apr 13 21:15:10 motti /kernel: , retries:3 Apr 13 21:15:10 motti /kernel: sd2(ahc0:4:0): UNIT ATTENTION asc:29,0 Apr 13 21:15:10 motti /kernel: sd2(ahc0:4:0): Power on, reset, or bus device reset occurred field replaceable unit: 1 Apr 13 21:15:10 motti /kernel: , retries:3 Apr 13 21:15:10 motti /kernel: sd0(ahc0:0:0): UNIT ATTENTION asc:29,0 Apr 13 21:15:10 motti /kernel: sd0(ahc0:0:0): Power on, reset, or bus device reset occurred field replaceable unit: 1 Apr 13 21:15:10 motti /kernel: , retries:4 Seppo Kallio kallio@cc.jyu.fi Computing Center 553606 (sisäinen), 050 5524968 (suora ulkoa) U of Jyväskylä 62.14N 25.44E Fax +358-14-603611 PL 35, 40351 Jyväskylä, Finland http://www.jyu.fi/~kallio
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