[c-nsp] unhappy NPE-150

John Neiberger jneiberger at gmail.com
Fri Jul 8 09:40:47 EDT 2005


For what it's worth, whenever I've seen a cache error exception it's
been because of faulty memory. I saw this several times recently while
troubleshooting a bad 7513 chassis that kept frying the cards. A
couple of different RSPs went bad and I kept getting cache error
exceptions.

John

On 7/8/05, Ed Ravin <eravin at panix.com> wrote:
> On Fri, Jul 08, 2005 at 10:19:47AM +0200, Gert Doering wrote:
> 
> > On Thu, Jul 07, 2005 at 07:38:09PM -0400, Ed Ravin wrote:
> > > I dusted off an old NPE-150 removed from service and tried to use
> > > it in a known good 7206 non-VXR chassis.  These messages appeared
> > > on bootup:
> > >
> > >   C7200 processor with 131072 Kbytes of main memory
> > >
> > >   *** Cache Error Exception ***
> >
> > What IOS?  This could be a "too recent IOS" problem.  NPE-150s really
> > don't work anymore with 12.3 and later.
> 
> Sorry, I should have given more detail.  By "on bootup" I mean seconds
> after powerup, just after the Cisco banner prints to the console.  It
> never even gets so far as to load IOS from bootflash, much less the
> main IOS image.  If I send BREAK I can get to the rommon prompt but
> simple commands like "dir" fail (see below).
> 
> ---------------------
> System Bootstrap, Version 11.1(10) [dschwart 10], RELEASE SOFTWARE (fc1)
> Copyright (c) 1994 by cisco Systems, Inc.
> C7200 processor with 131072 Kbytes of main memory
> 
> rommon 1 > dir slot1:
> 
> *** Emulating mis-aligned load at 0x80005a7a
>     PC = 0xbfc18c5c ... succeeded
> loadprog: error - on read during ELF program load
> 
> *** Emulating mis-aligned load at 0x80005a7a
>     PC = 0xbfc187c0 ... succeeded
> requested -797551275 (0xd0765555) bytes, got 49152 (0xc000)
> 
> *** Emulating mis-aligned load at 0xa0002d7a
>     PC = 0xbfc16c30 ... succeeded
> cannot load the monitor library "
> *** Cache Error Exception ***
> Cache Err Reg = 0xa0005c09
> data reference, primary cache, data field error , error not on SysAD Bus
> PC = 0xbfc1cf8c, Cause = 0x0, Status Reg = 0x3040d007
> 
> monitor: command "dir" aborted due to exception
> 
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