Cisco Systems UBR10012 manual SIG Value SIG Name Error Reason

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Chapter 4 Troubleshooting Line Cards

General Information for Troubleshooting Line Card Crashes

Slot 5/1: 0 crashes

Slot 6/0: 0 crashes

Slot 6/1: 0 crashes

Slot 7/0: 0 crashes

Slot 7/1: 0 crashes

Slot 8/0: 0 crashes

Slot 8/1: 0 crashes

Router#

Step 6 After identifying the particular card that crashed, use the show context command again to display more information about the most recent crash. For example:

Router# show context slot 2/0

CRASH INFO: Slot 2/0, Index 1, Crash at 19:57:56 PDT Wed Nov 27 2002

VERSION:

7200 Software (UBR10KCLC-LCK8-M), Version 12.2(122BC.021127.), CISCO DEVELOPMENN Compiled Wed 27-Nov-02 12:57 by

Card Type: UNKNOWN, S/N CAB0544L6F5

System exception: sig=10, code=0x8000000C, context=0x60A1BDE4

STACK TRACE:

traceback 601C28FC 601C29B4 601B9E8C 600F99B0 600F999C

CONTEXT:

$0 : 00000000, AT : 60930000, v0 : FFFFFFFF, v1 : 60940000

a0 : 00000000, a1 : 00000000, a2 : 00000001, a3 : 0000EA60

t0 : FFFFFFFF, t1 : FFFFA91C, t2 : 601284E0, t3 : FFFF00FF

t4 : 601284D8, t5 : 00000062, t6 : 00000000, t7 : D1B71759

s0 : 00000000, s1 : 00000008, s2 : 00000000, s3 : 60CD0998

s4 : 60CD0990, s5 : 00000000, s6 : 00000002, s7 : 60940000

t8 : 60D98C2C, t9 : 0000001B, k0 : 3040D001, k1 : BE840244

gp : 6093BD60, sp : 60CD0968, s8 : 60A70000, ra : 601C2900

EPC : 0x601C28F8, SREG : 0x3400F903, Cause : 0x8000000C

ErrorEPC : 0xCF1998F2

SLOT 2/0: *Jan 1 00:01:30.371: %SYS-2-EXCEPTIONDUMP: System Crashed, Writing Coredump...

Router#

Step 7 Look for the SIG Type in the line that starts with “System exception” to identify the reason for the crash. Table 4-2lists the most common SIG error types and their causes.

Table 4-2 SIG Value Types

		SIG Value	SIG Name		Error Reason

			SIGINT		Unexpected hardware interrupt

3			SIGQUIT		Abort due to break key

4			SIGILL		Illegal opcode exception

5			SIGTRAP		Abort due to Break Point or an arithmetic exception

8			SIGFPE		Floating point unit (FPU) exception

9			SIGKILL		Reserved exception

10			SIGBUS		Bus error exception

11			SIGSEGV		SegV exception

20			SIGCACHE		Cache parity exception

21			SIGWBERR		Write bus error interrupt

				Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

	OL-1237-01						4-3

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Contents Text Part Number OL-1237-01 Corporate HeadquartersCopyright 2001-2004, Cisco Systems, Inc All rights reserved N T E N T S ARP Traffic Testing with Digital Multimeters and Cable Testers B-1 OL-1237-01 Audience PurposeDocument Organization Related DocumentationChapter Description Ordering Documentation Obtaining DocumentationDocumentation Feedback Cisco.comObtaining Technical Assistance Cisco TAC WebsiteOpening a TAC Case TAC Case Priority Definitions Obtaining Additional Publications and InformationXii Basic Troubleshooting Tasks and Startup Issues Basic Troubleshooting ChecklistConfirming the Hardware Installation Displaying the Cisco IOS Software Version Last reset from power-onDisplaying System Environment Information Hardware Troubleshooting FlowchartTCC+ Cisco uBR10012 System Startup SequenceStartup Event Event Description AC PEM Faults PEM Faults and Fan Assembly FailuresColor Description Fault Symptom Corrective ActionDC PEM Faults DC PEM Front Panel original model, UBR10-PWR-DC 2400W AC-Input Power Shelf DC OK Other Electrical ProblemsFault AC OKFan Assembly Module Fan Assembly Module FaultsFan Assembly Air Circulation Pattern Symptom Steps to Take Single FAN FailureMULTI-FAN Failure LED OL-1237-01 Troubleshooting PRE-1 Modules PRE Module Not Supported PRE-1 Module Status ScreenMessage Description IOS RUN Booting Up with Redundant PRE-1 ModulesIOS Prot IOS IntfPRE-1 Module Faults LED Fault Steps to TakeC10000config#interface fastethernet0/0/0 Ethernet Connection ProblemsConsole Port Serial Connection Problems Troubleshooting System Crashes Troubleshooting Common System ProblemsARP Traffic High CPU Utilization ProblemsRouterconfig-if# ip access-groupnumber Cpuhog Errors Debug and System MessagesExec and Virtual Exec Processes Invalid Scheduler Allocate Configuration Interrupts are Consuming a Large Amount of ResourcesIP Input Processing Bus Errors Problems with Access ListsSnmp Traffic Region Manager Start End Sizeb Class Media Name 0x0A000000 Alignment Errors Memory ProblemsMemory Parity Errors Low Memory ErrorsParticle Pool Fallbacks Spurious Interrupts Spurious Memory Accesses OL-1237-01 Troubleshooting Line Cards Command Description General Information for Troubleshooting Line Card CrashesSIG Value SIG Name Error Reason Cache Parity Errors SigerrorSigreload Bus Errors Software-Forced Crashes Troubleshooting Line Cards TCC+ Front Panel Power MaintenanceStatus Description Fault Type Response Show controllers clock-reference command Troubleshooting the OC-12 Packet-Over-SONET Line Card Fault Corrective Action RX CARRIER-B ActiveRX CARRIER-A PASS-THROUGH EnabledSRP EnableFail POSSync WrapPass Thru Gigabit Ethernet Line Card Faceplate and LED Descriptions Troubleshooting the Gigabit Ethernet Line CardGigabit Ethernet Line Card Faults and Recommended Responses OL-1237-01 Password Recovery Procedure Password Recovery Procedure OverviewPress Return. The user Exec prompt appears Change all three passwords using the following commands OL-1237-01 Unsupported Frame Relay Commands Unsupported CommandsMlppp Commands Hccp CommandsUnsupported Telco-Return Commands Unsupported Mpls VPN CommandsUnsupported PPP Commands Spectrum Management CommandsOL-1237-01 Equipment Description Testing with Digital Multimeters and Cable TestersTesting with TDRs and OTDRs Testing with TDRsTesting with OTDRs Testing with Breakout Boxes, Fox Boxes, and BERTs/BLERTs Testing with Network MonitorsTesting with Network Analyzers Blert Enable LEDActive LED BertPOWER, OC-12 DPT/SRP POWER, TCC+ ENABLE, OC-48 DPT/POSMAINTENANCE, OC-12 SRP/DPT MAINTENANCE, TCC+TX, OC-48 DPT/POS WRAP, OC-48 DPT/POS Maintenance LEDPower LED STATUS, OC-12 DPT/SRP STATUS, TCC+ SYNC, OC-48 DPT/POSRX Pkts LED OC-12 DPT/SRP TCC+Present LED TCC+ RX Carrier LED RX LEDTDR B-2 TX LED OC-48 DPT/POSWrap LED IN-6