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Date: Wed, 30 Oct 1996 17:42:34 -0800 (PST)
From: Doug White <dwhite@gdi.uoregon.edu>
Reply-To: dwhite@resnet.uoregon.edu
To: Johann Visagie <jvisagie@insight.co.za>
cc: questions@freebsd.org
Subject: Re: df crashes 2.1.0-R (?!)
In-Reply-To: <m0vIW1q-000vCVC@asterix.insight.co.za>
Message-ID: <Pine.BSI.3.94.961030174129.1988C-100000@gdi.uoregon.edu>
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On Wed, 30 Oct 1996, Johann Visagie wrote:

> I'm running 2.1.0-R on a Compaq Prosignia 300 (it wasn't my idea! :)

I'm surprised the ncr even probed.  Compaqs have a proven broken PCI
impelmentation.  

> I'm using the machine's on-board SCSI host adapter (NCR chipset), and I've
> been experiencing intermittent problems for some time now.  At apparently
> random times, the SCSI subsystem would just appear to enter an unstable
> state, resulting in the following sort of messages flooding to the logs:
> 
> Oct 29 11:00:38 asterix /kernel: ncr0: have to clear fifos.
> Oct 29 11:00:38 asterix /kernel: ncr0: restart (fatal error).
> Oct 29 11:00:38 asterix /kernel: sd0(ncr0:0:0): COMMAND FAILED (9 ff) @f0e7d000.
> Oct 29 11:00:38 asterix /kernel: NOT READY asc:4,1
> Oct 29 11:00:39 asterix /kernel: sd0(ncr0:0:0):  Logical unit is in process of becoming ready
> Oct 29 11:00:39 asterix /kernel: , FAILURE

I would say that the adapter is bad or you have termination / cable
problems.  

Wrong termination has been known to cause screwier problems.

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major