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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
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 4-2 lists the most common SIG error types and their causes.
Ta b l e 4 - 2 S I G Va l u e Ty p e s
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