Error CHUNKBADMAGIC

Unanswered Question
Dec 2nd, 2009

Por favor alguien sabe que significa este error en el Router Cisco 2821?


%SYS-2-CHUNKBADMAGIC: Bad magic number in chunk header,
chunk 0 data 4705D85C chunkmagic 400B77D8 chunk_freemagic 45D9FBA4
-Process= "<interrupt level>", ipl= 4, pid= 85
-Traceback= 0x412D6B14 0x400BA458 0x402F8D44 0x40042968 0x40042C4C
0x4001031C 0x400116BC

Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9-M), Version 12.3(14)T1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Thu 31-Mar-05 12:22 by yiyan

ROM: System Bootstrap, Version 12.3(8r)T7, RELEASE SOFTWARE (fc1)

ZonaFranca uptime is 6 days, 4 hours, 32 minutes
System returned to ROM by power-on
System image file is "flash:c2800nm-adventerprisek9-mz.123-14.T1.bin"


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
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agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
--More--                           http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
[email protected].

Cisco 2821 (revision 53.51) with 249856K/12288K bytes of memory.
Processor board ID FTX0928A2JV
4 FastEthernet interfaces
2 Gigabit Ethernet interfaces
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
62720K bytes of ATA CompactFlash (Read/Write)

Configuration register is 0x2102

ZonaFranca#sh flas
ZonaFranca#sh flash:
-#- --length-- -----date/time------ path
1         1651 Jul 07 2005 13:59:48 +00:00 sdmconfig-28xx.cfg
2      3085312 Jul 07 2005 14:00:08 +00:00 sdm.tar
3       763392 Jul 07 2005 14:00:20 +00:00 es.tar
4       820224 Jul 07 2005 14:00:34 +00:00 common.tar
5         1038 Jul 07 2005 14:00:44 +00:00 home.shtml
6       113152 Jul 07 2005 14:00:56 +00:00 home.tar
7       504643 Jul 07 2005 14:01:08 +00:00 128MB.sdf
8      1208320 Jul 07 2005 14:01:24 +00:00 ips.tar
9     33247680 Aug 20 2005 21:48:08 +00:00 c2800nm-adventerprisek9-mz.123-14.T1.bin
10         900 Jul 09 2007 18:48:32 +00:00 vlan.dat
11        2443 Sep 16 2005 20:47:26 +00:00 running-config
12      222134 Jan 13 2007 18:04:08 +00:00 crashinfo_20070113-180408
13      243860 May 25 2007 22:46:16 +00:00 crashinfo_20070525-224617

23769088 bytes available (40247296 bytes used)

Es urgente



gracias



RYOFENYX27

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Armando Yesua G... Wed, 12/02/2009 - 13:18

Hi,


Issue is a software bug, tracebacks are showing  matches to bug CSCed32146,


Symptoms: A small buffer leak may occur on a router that has a BRI interface
that is in the "Layer 1 Down" state (that is, the interface is not able to
establish ISDN Layer 1).


Conditions: This symptom is observed when there is an attempt to activate
inactive BRI interfaces. During such an attempt, small buffers are allocated
periodically to transmit unnumbered messages to establish the TEI that is to
be used on the interface. The buffers cannot be transmitted because the ISDN
Layer 1 protocol is down, causing the buffers to be enqueued and lost from the
small buffer pool until ISDN Layer 1 becomes active. These enqueued buffers
may leak from the small buffer pool, although technically this is not a leak
because the buffers are in a queue.


Possible Workaround: Enter the isdn tei-negotiate
first-call
command.


Fixed-In
12.3(12.5)M
12.3(8)ZA
12.3(11)T8
12.3(12.6)T                                                          


at this point I recommend to go to the latest release, or well opene a TAC support case to verify

the bug and the fixed versions.

RYOFENYX27 Wed, 12/02/2009 - 15:29

Hola Yesua:


Gracias por la respuesta,  pero el Router no tiene nada RDSI (ISDN) instalado.


Cisco 2821 (revision 53.51) with 249856K/12288K bytes of memory.
Processor board ID FTX0928A2JV
4 FastEthernet interfaces
2 Gigabit Ethernet interfaces
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
62720K bytes of ATA CompactFlash (Read/Write)

Armando Yesua G... Thu, 12/03/2009 - 06:20

Hi, I agree.


However..

A bug note description is not always correct.

the decodes of the traces point to this bug, so the same functions were being called at the moment of the issue,

no matter that description is not the same.  however more details need to be considered and that's why I suggest to open a TAC S.R.


I Sorry I can give more details, but a complete verification of show tech/show log and some other commands will be required, so please

open a SR if possible.. if not, issue is resolved in the latest release.


regards


Yesua

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