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Date:      Sat, 03 Jun 95 16:12:45 CDT
From:      mdomsch@dellgate.us.dell.com (Matt Domsch)
To:        "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re:NCR810 problem? 
Message-ID:  <m0sI0Uw-000D65C@dellgate.us.dell.com>
In-Reply-To: Your message of Sat, 3 Jun 1995 13:12:06 -0700 (PDT) 

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> > 
> > I tried installing 2.0.5-ALPHA today when I got the following error
> > on boot from the install program:
> > 
> > assertion "cp == np->header.cp" failed: file "../../pci/ncr.c", line 5235
> > assertion "cp" failed: file "../../pci/ncr.c", line 5236
> > ncr0 targ0?: ERROR (80:100) (e-ab-2) (8/13) @ (10d4:e000000).
> >              reg: da 10 0 13 47 8 0 1f 0 e 80 ab 80 0 3 0.
> > ncr0: restart (fatal error).
> > ncr0: reset by timeout.
> > sd0: error reading primary partition table from fsbn 0 (sd0 bn 0; cn 0
> > tn 0 sn 0)
> > 
> > 
> > The install then will not continue.  The disk in question is a
> > DEC DPS3107L (1020MB).  I low-level formatted it prior to the install.
> > When this error started, I put a 100MB DOS partition on the disk which
> > works just fine.
> 

> "Rodney W. Grimes" writes:
> Humm.. I've been runing a pile of DEC DPS3053L drives (sell about 3 to 5
> of them a week) and have never seen this on a NCR using those drives.
> 
> These are the same series drives as the ones you are using.  Have
> you ever installed FreeBSD on this before and this is a new bug, or
> have you been having this problem in the past?
> 
> Are you using the active termination of the DSP3107L and have you
> tripple checked all your devices to make sure termination is correct?
> 

I have not tried to install FreeBSD before on these drives or this
particular kind of system, though Solaris 2.4 X86 works fine on it
with an identical hard disk.  Just to be safe, I tried a different DEC
drive, and got the same results.  I even went back to the 2.0R and
tried to install that, but often got SCSI resets on the disk which
took several seconds (like 15) every couple minutes, so I gave up on
that also.  Yes, the disk is properly ID'd and terminated and the NCR
BIOS sees it and spins it up at system boot time.  There are also 2
other devices on the SCSI bus, a NEC CD-ROM, and a DAT tape drive, and
they are properly terminated and ID'd as well.

Thanks,
Matt




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