Table of Contents

Investigating a Cisco crash



Commands for crash

show crashinfo
show stack
show stacks
show tech-support
show context


Crashinfo

How to get crashinfo

Is thre crashinfo?

> show stacks

 *************************************************** 
 ******* Information of Last System Crash **********
 ***************************************************

 Using bootflash:crashinfo_XXXXX

How to check crashinfo.

Router#dir bootflash:
Directory of bootflash:/ 

  1  -rw-     4088008   Oct 07 1999 04:51:29  rsp-boot-mz.120-6.6
  2  -rw-      178619   Mar 23 2000 06:18:50  crashinfo_XXXXX

How to read crashinfo

more bootflash:crashinfo_XXXXX

How to get crashinfo

copy bootflash:crashinfo_XXXXX tftp


Command Example

show context

Router#show context 

System was restarted by error - a Software forced crash, PC 0x602DE884 at 
05:07:31 UTC Thu Sep 16 1999 
RSP Software (RSP-JSV-M), Version 12.0(7)T,  RELEASE SOFTWARE (fc2) 
Compiled Mon 06-DEC-99 19:40 by phanguye 
Image text-base: 0x60010908, database: 0x61356000 
       
Stack trace from system failure: 
FP: 0x61F73C30, RA: 0x602DE884 
FP: 0x61F73C30, RA: 0x6030D29C 
FP: 0x61F73D88, RA: 0x6025E96C 
FP: 0x61F73DD0, RA: 0x6026A954 
FP: 0x61F73E30, RA: 0x602B94BC 
FP: 0x61F73E48, RA: 0x602B94A8 

Fault History Buffer: 
RSP Software (RSP-JSV-M), Version 12.0(7)T,  RELEASE SOFTWARE (fc2) 
Compiled Mon 06-DEC-99 19:40 by phanguye 
Signal = 23, Code = 0x24, Uptime 3w0d 
$0 : 00000000, AT : 619A0000, v0 : 61990000, v1 : 00000032 
a0 : 6026A114, a1 : 61A309A4, a2 : 00000000, a3 : 00000000 
t0 : 61F6CD80, t1 : 8000FD88, t2 : 34008700, t3 : FFFF00FF 
t4 : 00000083, t5 : 3E840024, t6 : 00000000, t7 : 00000000 
s0 : 0000003C, s1 : 00000036, s2 : 00000000, s3 : 61F73C48 
s4 : 00000000, s5 : 61993A10, s6 : 61982D00, s7 : 61820000 
t8 : 0000327A, t9 : 00000000, k0 : 61E48C4C, k1 : 602E7748 
gp : 6186F3A0, sp : 61F73C30, s8 : 00000000, ra : 6030D29C 
EPC : 602DE884, SREG : 3400E703, Cause : 00000024 
Error EPC : BFC00000, BadVaddr : 40231FFE