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Date:      Fri, 14 Jan 2000 13:52:03 -0500 (EST)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Rob Harris <rharris@fuzzfactor.com>
Cc:        msmith@freebsd.org, freebsd-alpha@freebsd.org
Message-ID:  <14463.28607.353168.94402@grasshopper.cs.duke.edu>
In-Reply-To: <Pine.NEB.4.21.0001141218400.13385-100000@brak.fuzzfactor.com>
References:  <Pine.NEB.4.21.0001141218400.13385-100000@brak.fuzzfactor.com>

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Rob Harris writes:
 > 
 > grrr---
 > 
 > I just got in two UP2000 based systems. They refuse to boot off of the
 > latest SNAP floppy disks (both 10/30 and 01/01). It gets just past sc0,
 > then goes:
 > 
 > panic: ahc0: brkadrint, Scratch or SCB Memory Parity Error at seqaddr=0x2
 > 
 > This behavior is consistent on both boxes I acquired (identically
 > configured).
 > 
 > The REALLY odd thing is, when I connect a pre-made drive with an older
 > SNAP (10/30 or so) distribution and kernel on it, it boots just fine.
 > 
 > What am I doing wrong?
 > 

I think this is the result of a bug in the ahc driver which has
recently been fixed.  Mike, does your UP2000 do this?

Can you try attaching the older disk, and building a -current kernel
from today?

Drew

------------------------------------------------------------------------------
Andrew Gallatin, Sr Systems Programmer	http://www.cs.duke.edu/~gallatin
Duke University				Email: gallatin@cs.duke.edu
Department of Computer Science		Phone: (919) 660-6590


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