Error - A Segv Exception
7500 Series RoutersTroubleshoot and AlertsTroubleshooting TechNotes SegV Exceptions Download Print Available Languages Download Options PDF (79.9 KB) View with Adobe Reader on a variety of devices ePub (69.0 KB) View in various apps on iPhone, iPad, Android, Sony Reader, or Windows Phone Mobi (Kindle) (63.4 KB) View on Kindle device or Kindle app on multiple devices Updated:May 31, 2016 Document ID:15069 ContentsIntroductionPrerequisitesRequirementsComponents UsedConventionsIdentify the Cause of the ReloadCause of SegV ExceptionsTroubleshootInformation to Collect if You Open a TAC CaseRelated Information Introduction This document explains what causes segmentation violation (SegV) exceptions on routers, and how to troubleshoot them. Cisco recommends that you read Troubleshooting Router Crashes before you proceed with this document. Prerequisites Requirements There are no specific requirements for this document. Components Used The information in this document is based on these software and hardware versions: All Cisco IOSĀ® software versions Cisco 1700 Series Routers Cisco 2600 Series Routers Cisco 3600 Series Routers Cisco 3700 Series Routers Cisco 4500 Series Routers Cisco 4700 Series Routers Cisco AS5300 Series Routers Cisco MC3810 Series Routers Cisco 7200 Series Routers Cisco 7500 Series Routers Note:This document does not apply to Cisco Catalyst switches or MGX platforms. The information presented in this document was created from devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, ensure that you understand the potential impact of any command before you use it. Conventions For more information on document conventions, refer to the Cisco Technical Tips Conventions. Identify the Cause of the Reload If you do not power-cycle or manually reload the router, the show version output displays this: Router uptime is 2 days, 3 hours, 5 minutes System restarted by error - a SegV exception, PC 0x80245F7C System image file is "flash:c2600-js-mz.120-9.bin" or Router uptime is 11 hours, 38 minutes System returned to ROM by error - a SegV exception, PC 0x80249B0C System image file is "flash:c2600-is-mz.121-1.5.bin" These lines may also be present in the console logs: *** System received a SegV exception *** signal= 0xb, code= 0x1200, context= 0x80d15094 PC = 0x80678854, Vector = 0x1200, SP = 0x80fcf170 If you have the output of a show version command from your Cisco device, you can use
Cisco Bug: CSCsk13948 - Cisco 7206VXR (NPE-G2) -- System returned to ROM - a SegV exception Last Modified Aug 17, 2016 Product Cisco IOS Known Affected Releases 12.4(11)T3 Description (partial) Symptom: Cisco 7206VXR router crashed with a SegV exception as below Cisco 7206VXR (NPE-G2) Running c7200p-adventerprisek9-mz.124-11.T3.bin System returned to ROM by error - a SegV exception, PC 0x38F5F0C at 20:38:09 CES ================================================================ CRASHINFO : crashinfo_20070808-101450 Aug 8 http://www.cisco.com/c/en/us/support/docs/routers/7500-series-routers/15069-crashes-segv.html 12:10:31.302 CEST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 109: Neighbor 10.55.68.137 (Tunnel20) is up: new adjacency 12:14:50 CEST Wed Aug 8 2007: Unexpected exception to CPU: vector 300, PC = 0x22530 , LR = 0x22500 -Traceback= 0x22530 0x39C6498 0x3398C40 0x33A49DC 0x336A87C 0x339FC60 0x398D1CC 0x398D2D4 0x33A0954 0x33A0540 0x3364934 0x3365148 0x7DD374 CPU Register Context: PC = 0x00022530 MSR https://quickview.cloudapps.cisco.com/quickview/bug/CSCsk13948 = 0x00009032 CR = 0x28000048 LR = 0x00022500 CTR = 0x00022498 XER = 0x00000000 DAR = 0x6406B66C DSISR = 0x00000000 DEC = 0x0001F210 TBU = 0x000015C5 TBL = 0x20100686 MSSCR0= 0x00000000 R0 = 0x00000001 R1 = 0x073B7840 R2 = 0xFFF3B1C0 R3 = 0x00000000 R4 = 0x03398C3C R5 = 0x0336A844 R6 = 0x0336A83C R7 = 0x08C0F9FC R8 = 0x00000001 R9 = 0x052B0000 R10 = 0x05BBD100 R11 = 0x073B7838 R12 = 0x073B7840 R13 = 0xFFF3C560 R14 = 0x00000000 R15 = 0x00000000 R16 = 0x00000000 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000 R20 = 0x00000000 R21 = 0x05770000 R22 = 0x05F70000 R23 = 0x00000000 R24 = 0x00000000 R25 = 0x00000000 R26 = 0x00000000 R27 = 0x6406B67C R28 = 0x03398C3C R29 = 0x6406B67C R30 = 0x089CB3E8 R31 = 0x6406B64C Conditions: Not known at this time. View Bug Details in Bug Search Tool Why Is Login Required? Bug details contain sensitive information and therefore require a Cisco.com a
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