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Bus Error In Cisco Router


To use Cisco CLI Analyzer, you must be a registered customer, be logged in, and have JavaScript enabled. It might be a bit overwhelming with all the garbish it spits out, but you will get used to the output soon enough. With the address accessed by the router when the bus error occurred, the command "show region" could be used to determine the memory location the address corresponds to. All information about the crash, except that which has been successfully stored in the crashinfo file, is lost after a manual reload or power-cycle. http://drupalmostpopular.com/bus-error/bus-error-cisco.html

americanmcneil (TechnicalUser) (OP) 18 Mar 08 22:23 Well, unfortunately the command line change did not fix the problem. Yes No Feedback Let Us Help Open a Support Case (Requires a Cisco Service Contract) Related Support Community Discussions This Document Applies to These Products 90 Series Customer Premises Equipment 800 all the register contents at the time of the crash. So most of the time, syslog output is not very useful for troubleshooting crashes.

System Returned To Rom By Bus Error At Pc 0x0 Address 0x0

With this information, you have an indication as to whether the fault lies with the Cisco IOS Software or the router hardware. For more details, see Creating Core Dumps. As mentioned earlier, "main" corresponds to the main memory or the DRAM, so the DRAM chips need to be checked. Cancel Red Flag SubmittedThank you for helping keep Tek-Tips Forums free from inappropriate posts.The Tek-Tips staff will check this out and take appropriate action.

Thisis because, bug fixes are incorporated into software versions which have not beenregression tested. but the thing is that I don't have a CCO login to that troubleshooting.I have the crash_info with me. Entries (RSS) and Comments (RSS). Last Reload Reason Address Error At Pc Another type of bus error crash that occurs from time to time is when the PC value is equal to the address value.

Software Failure On 2600 and 3600 routers, the router's I/O memory is configurable as a percentage of the main memory. I'm going out on an unauthoratitive > limb, but PC 0x00000000 looks like an indirect function call > attempt dereferenced a NULL pointer -- which shouldn't happen. > I'd guess IOS Conventions For more information on document conventions, see the Cisco Technical Tips Conventions. Prerequisites Requirements Cisco recommends that you read Troubleshooting Router Crashes before proceeding with this document.

Troubleshoot Some types of crashes clearly indicate a hardware or software failure, but others are not that obvious. System Was Restarted By Bus Error At Pc In order to use it, you must be a registered customer, be logged in, and have JavaScript enabled. ndcbbnpendc0103#sh ver Cisco Internetwork Operating System Software IOS (tm) s72033_rp Software (s72033_rp-ADVENTERPRISEK9_WAN-M), Version 12.2(18)SXF6, RELEASE SOFTWARE (fc1) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2006 by cisco Systems, Inc. All rights reserved.Unauthorized reproduction or linking forbidden without expressed written permission.

System Returned To Rom By Address Error At Pc

To use Cisco CLI Analyzer, you must be a registered customer, be logged in, and have JavaScript enabled. Can anyone help me interpret the results? System Returned To Rom By Bus Error At Pc 0x0 Address 0x0 To upgrade the IOS of an in-production device usually requires some painful process for change control which can take some time. System Returned To Rom By Error - A System Error This indicates a hardware problem.

Each hyperlink takes you to the relevant section within the analysis results.ROUTER CONSOLE MESSAGE AnalysisSTACK DECODE AnalysisBack to topROUTER CONSOLE MESSAGE NOTIFICATIONS (if any)ERROR: The system encounters a 'Bus Error' when This points to a bug with current IOS version the switch is running. Rgrds, Skybaba 0 Back to top #7 rino rino Member Members 95 posts Gender:Male Location:Maha Bharatham Posted 16 December 2008 - 04:24 PM Same thing happened to one of our gateways Copied the crash info file into Output Interpreter on Cisco's website and was told it's a bug on the IOS code.......as usual Cisco recommends you "upgrade your device to the latest Bus Error Linux

  • Refer to Versatile Interface Processor Crash Reason Codes to translate this number into something meaningful.
  • Look at the highlighted lines.
  • Follow these steps: Break into ROMMON by sending the break sequence to the router during the first 60 seconds of boot up.
  • Jul 8 14:18:27 CEST: %C6KPWR-SP-4-PSOK: power supply 1 turned on.

If the processor is a reduced instruction set computing (RISC), the prompt will be "rommon 1>". Components Used This document is not restricted to specific software and hardware versions. Compiled Thu 11-Jul-02 22:09 by pwade Image text-base: 0x60008940, data-base: 0x61088000 ROM: System Bootstrap, Version 12.0(19990210:195103) [12.0XE 105], DEVELOPMENT SOFTWARE BOOTLDR: 7200 Software (C7200-BOOT-M), Version 12.0(2)XE2, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1) What I know is what I encountered in the last 4 years.

A system bus error occurred when the processor tried accessing something that doesn't exist. Bus Error (load) Exception StatusFixed (Resolved)Severity3ProductCisco IOS softwareTechnology1st Found-In12.2(15)B12.2(11)T12.3MKnown Affected Versions This link will launch a new window.Fixed-In12.2(13)T1212.3(2)T912.3(3.1)T12.3(7)XI12.3(2.3)B12.3(0.5)B3a12.2(4)YA1112.3(2.3)MComponent(s)natRegressionYRelated BugsBus error crash at ip_feature_fastswitchSymptom: A Cisco 3725 router may reload unexpectedly with a bus error under The show stacks EXEC command is used to monitor the stack usage of processes and interrupt routines.

Information to collect if you open a TAC Case If you still need assistance after you follow the troubleshooting steps that this document lists, and want to create a service request

To use Cisco CLI Analyzer, you must be a registered customer, be logged in, and have JavaScript enabled. Sigtrap (Signal Trap) Exception This is usually a software problem, and is another way to report a Software-forced Crash. The memory location that this router tried to access was ‘0x0'. How To Solve Bus Error In Linux Here are some documents that describe how to troubleshoot crashes on some router modules: Troubleshooting VIP Crashes Troubleshooting SAR Crashes on PA-A3 Troubleshooting Line Card Crashes on the Cisco GSR12000 Series

I'm going out on an unauthoratitive JE> > limb, but PC 0x00000000 looks like an indirect function call Correcting my earlier post: It could also be a return where the stack If the router starts to crash after a configuration change, then the problem is probably software-related. Workaround: There is no known workaround at this time.NRP2 crashes at %ALIGN-1-FATAL:Illegal access to a low addressSymptom: A Cisco 6400 NRP2 , upgraded to c6400r2sp-g4p5-mz.123-9 , may experience a condition where The crash does not happen consistantly.

They swapped line cards into another 7206 and are still having the below errors. If this is a new router, or if the router has been moved from one location to another, the memory chips often become loose. Restarted By Error Unless the error clearly points to a hardware problem (see the Troubleshoot section), contact your Cisco technical support representative. Identify the Cause of the Reload If you do not power-cycle or manually reload the router, you can find the cause for the reload in the show version output, as shown

show technical-support output (if possible, in enable mode). It is recommended that you re-seator firmly push the memory chips into the slot.For more information, see Troubleshooting Bus Error Crashes.2. Please try the request again. Compiled Mon 18-Sep-06 23:32 by tinhuang Image text-base: 0x40101040, data-base: 0x42D90000 ROM: System Bootstrap, Version 12.2(17r)SX5, RELEASE SOFTWARE (fc1) BOOTLDR: s72033_rp Software (s72033_rp-ADVENTERPRISEK9_WAN-M), Version 12.2(18)SXF6, RELEASE SOFTWARE (fc1) ndcbbnpendc0103 uptime is

If the address falls within one of the ranges in the "show region" output, it means that the router was accessing a valid memory address, but the hardware corresponding to that All of the devices used in this document started with a cleared (default) configuration.