Bus Error Cisco
If you have restarted the switch after any suspected crash, issue the show version command. In summary: Use the show region command to verify whether the address indicated by the bus error is within the address ranges used by the router. Troubleshooting Bus Error Crashes on 68000 Processor Platforms With the address accessed by the router when the bus error occurred, use the show region command to determine the memory location the Rating 1 2 3 4 5 Overall Rating: 5 (1 ratings) Log in or register to post comments ActionsThis Document Follow Shortcut Abuse PDF Related Content Show - Any -BlogDiscussionDocumentEventVideo Apply his comment is here
Ensure some free space in the bootflash for the crashinfo (if the switch crashes for any reasons in future). Upgrade the switch to the latest Cisco IOS Software release unaffected by the bug in order to resolve this issue. %PM_SCP-1-LCP_FW_ERR This message indicates that the firmware of the Jump to content Sign In Create Account Sadikhov IT Forums View New Content Sadikhov.com Forums Members Calendar Blogs Chat More Sadikhov IT Certification forums → CERTIFICATION → CISCO The Software Advisor (registered customers only) gives you the minimum versions of Cisco IOS software needed for hardware.
System Returned To Rom By Bus Error At Pc 0x0 Address 0x0
Already a member? If the text that follows the line is power-on , the switch did not crash. If the address indicated is an invalid address out of the memory range, it is a software bug. When a bus error caused by a corrupted PC occurs, the following message appears on the console: %ALIGN-1-FATAL: Corrupted program counter pc=0x0, ra=0x601860BC, sp=0x60924540, at=0x60224854 In this case, the PC has
- In case of a soft parity error, there is no need to swap the board or any of the components.
- On other RISC platforms (Cisco 3600, 4500, and so forth), you get a SegV exception when jumping to an illegal PC, not a bus error.
- If this problem occurs, error messages similar to these are logged in the show context output: Router#show context ...
- The system is being reset. %Software-forced reload Faulty Fan Causes the Supervisor to Crash When a fan tray fails or a power supply is turned off, the Cisco Catalyst
- The system appears to crash.
- In order to verify whether the bootflash: has enough space, issue the dir bootflash: command or the dir all command.
- 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
- Perform the ROMMon upgrade on the standby supervisor alone.
- 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
- Tx path.
Conditions: Nat is configured. There is no workaround.c7200: Memory corruption in processor pool in 12.2(8)T4Symptoms: A software-forced reload may occur on a Cisco 7200 series, and the console output may display memory corruption dumps. Cause is unknown. Sp By Bus Error At Pc Join your peers on the Internet's largest technical computer professional community.It's easy to join and it's free.
Click Here to join Tek-Tips and talk with other members! System Returned To Rom By Address Error At Pc crashinfo 2B745A9A C24D0 25 271437 Jan 27 2003 20:39:43 crashinfo_ 20030127-203943 After you have the crashinfo file available, collect the output of the show logging command and the show tech All rights reserved. Therefore, Cisco highly recommends you wait for a hard parity error before you replace anything.
Conditions: Nat is configured. System Was Restarted By Bus Error At Pc The system automatically resets the module in order to recover from the error. Using the show region output, this address falls within the range of "main", or more specifically, "main:heap" or 0x000666B4-0x007FEFFF. This in turn indicatesa Cisco IOS Software problem.
System Returned To Rom By Address Error At Pc
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. cat6knative11#dir sup-bootflash: Directory of sup-bootflash:/ 1 -rw- 14849280 May 23 2001 12:35:09 c6sup12-jsv-mz.121-5c.E10 2 -rw- 20176 Aug 02 2001 18:42:05 crashinfo_20010802-234205 !--- Output is suppressed. System Returned To Rom By Bus Error At Pc 0x0 Address 0x0 Conventions Refer to Cisco Technical Tips Conventions for more information on document conventions. Bus Error Linux Configuration register is 0x2102 metronet-1#sho context System was restarted by bus error at PC 0x0, address 0x0 at 15:49:41 UTC Thu May 27 2004 Fault History Buffer: 7200 Software (C7200-P-M), Version
If your Supervisor module has DRAM of 128MB, then in order to resolve this issue, upgrade the memory to 256MB or more. Home Skip to content Skip to footer Worldwide [change] Log In Account Register My Cisco Cisco.com Worldwide Home Products & Services (menu) Support (menu) How to Buy (menu) Training & Events 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 Catalyst 6500 Series Switches Share Information Use the Output Interpreter to decode the outputof the "show stacks" command to identify the software bug that is causingthe bus error.b. Last Reload Reason: Address Error At Pc
Please send it to [email protected] 0 Back to top #5 sandeep_kumar_nigam sandeep_kumar_nigam Advanced Member Members 217 posts Location:Bangalore,India Interests:Networks,Friendship,Painting etc. Other Parity Related Errors The MSFC2 contains ECC memory protection. If you have the output of a show stacks or show technical-support (from enable mode) command from your Cisco device, you can use Cisco CLI Analyzer to display potential issues and Generated Fri, 18 Nov 2016 17:48:59 GMT by s_fl369 (squid/3.5.20)
I'd guess IOS bug... System Returned To Rom By Error - A System Error Here's Why Members Love Tek-Tips Forums: Talk To Other Members Notification Of Responses To Questions Favorite Forums One Click Access Keyword Search Of All Posts, And More... Register now!
but the thing is that I don't have a CCO login to that troubleshooting.I have the crash_info with me.
For the RISC Processor based platforms, use the Output Interpreter Tool to decodethe output of the "show stacks" command and identify the Cisco IOS Softwarebug that is causing the bus error.REFERENCE: The system returned: (22) Invalid argument The remote host or network may be down. if not mail me at [email protected] 0 Back to top #6 skybaba skybaba Best Poster June 2008 Members 177 posts Gender:Male Location:Right in front of you...... Bus Error (load) Exception Here is an example of the show region output: Router#show region Region Manager: Start End Size(b) Class Media Name 0x00000000 0x007FFFFF 8388608 Local R/W main 0x00001000 0x0001922F 98864 IData R/W main:data
It then turns control over to the RP. This is a software problem so there is no need to check with the show region command. Special Types of Bus Error Crashes A special type of bus error crash is when the crash is caused by a corrupted program counter (PC). If the router is not able to boot up, you can bypass the configuration to identify whether that is causing the issue.
SNMP Query in ROMMon Upgrade Crashes the Switch The Cisco Catalyst 6000/6500 Switches can unexpectedly reload due to an unexpected exception. 01:22:25: %SNMP-3-AUTHFAIL: Authentication failure for SNMP req from Close this window and log in. For more information on these types of Bus error crashes, refer to Troubleshooting Bus Error Crashes. Any help would be greatly appreciated.
After doing some more digging on the Cisco website I did a "show context" and it brought up the error that caused the crash and the memory location. The crashinfo file contains this information: limited error message (log) and command history description of the image that runs at the time of the crash output of the show alignment End with CNTL/Z. 6500_IOS(config)#config-register 0x2102 6500_IOS(config)#end Issue the show bootvar command in order to verify the configuration register value at the next reload. 6500_IOS#show bootvar BOOT variable = slot0:c6sup12-ps-mz.121-13.E14,1 CONFIG_FILE variable Do not confuse this with the program counter (PC) value above.
Mis-seated Hardware If you are experiencing a bus error exception booting loop, it may be caused by mis-seated hardware. Refer to Sanity Check for Configuration Issues and System Health in order to know the list of checks performed and have a look at the sample output of the command.