*BSD News Article 80637


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From: jkokko@alpha.hut.fi (Jari Kokko)
Newsgroups: comp.unix.bsd.netbsd.misc,comp.sys.sun.hardware
Subject: Re: 3/60 SCSI Problem
Date: 13 Oct 1996 19:05:59 GMT
Organization: Älytön Wööppari
Lines: 20
Distribution: world
Message-ID: <53rein$7bd@hiekkalaatikko.cs.hut.fi>
References: <Pine.NEB.3.93.961010144943.21595B-100000@kefron.portal.ca> <Dz4sBG.2IF@yedi.iaf.nl> <53p2mq$n2o@clarknet.clark.net>
NNTP-Posting-Host: alpha.hut.fi
NNTP-Posting-User: jkokko
Cc: 
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.netbsd.misc:4741 comp.sys.sun.hardware:40267

>>>I recently acquired a 3/60, and am running NetBSD/sun3 1.2 on it.  
>>>After a few hours running flawlessly, the computer will invariably ditch
>>>me to the debugger with the following error.
>
>>>si: DMA timeout (while polling)
>>>panic: ncr5380_scsi_cmd: polled request, abort failed
>>>Stopped at		_Debugger+0x6:	unlk	a6
>>>db>

I had the same problem, without the Sun running hot. I set
si_obio_options to 7 (to not use polled DMA) in
sys/arch/sun3/dev/si_obio.c, compiled a new kernel and the problem
disappeared.

Jari Kokko



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