From: Michael Stout (michaelgstout@hotmail.com)
Date: Sat Jul 29 2006 - 14:29:54 ART
Try this link:
https://www.cisco.com/cgi-bin/Support/OutputInterpreter/home.pl
ROUTER CONSOLE MESSAGE NOTIFICATIONS (if any)
ERROR: The system encounters a 'Bus Error' when the processor tries to
access
a memory location that either does not exist (indicating a software
issue) or does
not respond properly (indicating a hardware issue).
TRY THIS:
1. For 68000 Processor based platforms, carry out the following steps:
Consider the output:
"System restarted by bus error at PC 0x30EE546, address 0xBB4C4".
Here the system is trying to access the address "0xBB4C4"
a. Based on the address accessed by the router when the 'Bus Error'
occurred,
use the "show region" command to determine the memory location to which
the address corresponds. If the address reported by the 'Bus Error' does
not fall within the ranges displayed in the show region output, it
implies
that the router was trying to access an invalid address. This in turn
indicates
a Cisco IOS Software problem. Use the Output Interpreter to decode the
output
of the "show stacks" command to identify the software bug that is causing
the bus error.
b. If the address falls within one of the ranges in the "show region"
output,
it implies that the router was accessing a valid memory location, but the
hardware corresponding to that address did not respond properly. This
indicates
a hardware problem. Find the memory address that the system is trying to
access (for example in the above output, it is 0xBB4C4), and also the
range
of memory addresses between which this address falls. The hardware issue
is most likely related to the corresponding component. If a new router
has
been installed, or if the router has been moved from one location to
another,
the memory chips may have become loose. It is recommended that you
re-seat
or firmly push the memory chips into the slot.
For more information, see Troubleshooting Bus Error Crashes.
2. For the RISC Processor based platforms, use the Output Interpreter
Tool to decode
the output of the "show stacks" command and identify the Cisco IOS
Software
bug that is causing the bus error.
REFERENCE: For more information on 'Bus Error' crashes, see
TAC Case Collection - System is in a boot loop, a bus error exception
TAC Case Collection - Router reloads due to a bus error
Troubleshooting Bus Error Crashes
REFERENCE: For more information, see:
Troubleshooting Router Crashes
Less Common Types of System Crashes
--------------------------------------------------------------------
From: "Keith Foster" <keith.foster@gmail.com>
Reply-To: "Keith Foster" <keith.foster@gmail.com>
To: "uyota oyearone" <spycharlies@hotmail.com>
CC: ccielab@groupstudy.com
Subject: Re: What could be wrong? Router Crashing
Date: Fri, 28 Jul 2006 21:53:58 -0700
Crash is due to a bus error. It could be software or hardware. You
would
need someone from TAC to analyze the crashinfo file.
On 7/28/06, uyota oyearone <spycharlies@hotmail.com> wrote:
>
> hey Guys, I noticed that my router is been crashing for about 3
days now,
> i wonder y? Unexpected exception to CPU vector 200, PC = 80040AF0
> -Traceback= 80040AF0 803AA464 804B457C 804B3304 804B3678 806F1350
> 806F15C8 806F0
> 538 806EF5B4 806EF974 8040DF6C
> === Flushing messages (23:01:08 EST Fri Jul 28 2006) ===Queued
messages:
> Writing crashinfo to flash:crashinfo_20060729-030108
> *** System received a Bus Error exception ***
> signal= 0xa, code= 0x200, context= 0x8266efb8
> PC = 0x80040af0, Vector = 0x200, SP = 0x82da43b0System Bootstrap,
Version
> 11.3(2)XA4, RELEASE SOFTWARE (fc1)
> Copyright (c) 1999 by cisco Systems, Inc.
> TAC:Home:SW:IOS:Specials for info
> C2600 platform with 65536 Kbytes of main memory regards,Uyota
>
>
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