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Community Member

2811 router boot problem

HI

I have 2811 router when i boot the under following error message comes. comes in roomon mode . I upgrade IOS but same problem arise.

---------------------------------

Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(3c), RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright (c) 1986-2006 by Cisco Systems, Inc.

Compiled Sat 07-Jan-06 04:34 by alnguyen

Image text-base: 0x400A1678, data-base: 0x42D00000

****** ERROR detected on PCI0 Bus

****** Try RESEATING all modules in the system

****** pci0_int_cause 0x00000040,

****** pci0_err_addr 0x30B08038, pci0_err_cmd 0x00000006

****** PCI Master Read Parity Error

%ERR-1-FATAL: Fatal error interrupt, reloading

err_stat=0x0

=== Flushing messages (09:11:27 UTC Wed Jul 19 2006) ===

Queued messages:

09:11:27 UTC Wed Jul 19 2006: Interrupt exception, CPU signal 22, PC = 0x0

-Traceback= 0x4025E7B8 0x4008B1C4 0x4025FAA4

$0 : 00000000, AT : BFA00000, v0 : 00000000, v1 : 45620000

a0 : 00000006, a1 : 00000000, a2 : 00000005, a3 : 000F4240

t0 : 000186A0, t1 : 00000000, t2 : 34008000, t3 : FFFF00FF

t4 : 4008E950, t5 : 00000000, t6 : 00008140, t7 : 45DAA238

s0 : 45618048, s1 : 45660000, s2 : 44F10000, s3 : 452E0000

s4 : 453D0000, s5 : 00000016, s6 : 00000000, s7 : 45DAA818

t8 : 00000000, t9 : 00000006, k0 : 00000018, k1 : 00000000

gp : 453E07EC, sp : 45DAA770, s8 : 45A8D120, ra : 4025E7A8

EPC : 4025E7B8, ErrorEPC : 400011AD, SREG : 34008003

MDLO : 000003E8, MDHI : 00000000, BadVaddr : 00000118

Cause 0000000C (Code 0x3): TLB (store) exception

-Traceback= 0x4025E7B8 0x4008B1C4 0x4025FAA4

No warm reboot Storage

*** System received a Bus Error exception ***

signal= 0xa, code= 0xc, context= 0x4561a104

PC = 0x4009483c, Cause = 0x20, Status Reg = 0x34008002

System Bootstrap, Version 12.4(1r) [hqluong 1r], RELEASE SOFTWARE (fc1)

Copyright (c) 2005 by cisco Systems, Inc.

----------------------------------

thanks

biplob

it is hardware problem ????.

can any one help to solve this problem.

thanks

Biplob

3 REPLIES

Re: 2811 router boot problem

Hi

(1)What are the Interface cards inserterd?If there are,pls remove them and see.

Regards

JD

Silver

Re: 2811 router boot problem

Hi,

For the problem mentioned see the cause below,

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.

and even it is very much look like a bug in the software.

Rate if it does,

Rgs,

Community Member

2811 router boot problem

Had this same issue.

Resolved by powering it off, opening it up, removing and re-seating all cards/RAM/etc. in the whole device, putting it back together, powering it back up.

HTH

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