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Catalyst3550 crash

Hello all.

Cat3550 that we were using crashed. At that time, 3550 has put out crashinfo. Will you understand any causes?

The cause has not been understood though I used stack-decoda .

Minimum process stacks:

Free/Size Name

4864/6000 vegas_flash init

3956/6000 SaveCrashBuffer

5660/6000 vqpc_shim_create_addr_tbl

5640/6000 SPAN Subsystem

11548/12000 Router Init

9136/12000 Init

5372/6000 RADIUS INITCONFIG

4520/6000 Vegas CrashBuffer

8160/9000 DHCP Client

8132/12000 Virtual Exec

Interrupt level stacks:

Level Called Unused/Size Name

4 189710 8156/9000 CPU NETWORK INTERFACE CHIP

5 24639 8900/9000 Vegas miami tty xmit hack timer

6 1245012 8936/9000 Clock Timer Vector

Spurious interrupts: 181

System was restarted by error - Instruction Access Exception (0x0400)!, PC 0x34CD0000

C3550 Software (C3550-I5Q3L2-M), Version 12.1(20)EA1, RELEASE SOFTWARE (fc1)

Compiled Wed 04-Feb-04 23:28 by yenanh (current version)

Image text-base: 0x00003000, data-base: 0x00827298

Stack trace from system failure:

FP: 0x1261700, RA: 0x34CD0000

FP: 0x10DFAB12, RA: 0x34CD0000

***************************************************

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

***************************************************

Using flash:/crashinfo/crashinfo_1.

Cisco Internetwork Operating System Software

IOS (tm) C3550 Software (C3550-I5Q3L2-M), Version 12.1(20)EA1, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2004 by cisco Systems, Inc.

Compiled Wed 04-Feb-04 23:28 by yenanh

Instruction Access Exception (0x0400)!

CPU Register Context:

Vector = 0x00000400 PC = 0x34CD0000 MSR = 0x1000B030 CR = 0x24000020

LR = 0x34CD0000 CTR = 0x0012AE44 XER = 0x20000000

R0 = 0x34CD0000 R1 = 0x01261700 R2 = 0x00000000 R3 = 0x00D7C622

R4 = 0x01261708 R5 = 0x00000000 R6 = 0x00000000 R7 = 0x00000000

R8 = 0x00000000 R9 = 0x00000000 R10 = 0x00004300 R11 = 0x00003900

R12 = 0xFFFFFFFF R13 = 0x55DD7F7D R14 = 0x00154DE4 R15 = 0x00000000

R16 = 0x00000000 R17 = 0x00000000 R18 = 0x00000000 R19 = 0x00000000

R20 = 0xFFFFFFFF R21 = 0x00BF0000 R22 = 0x00000000 R23 = 0x00000001

R24 = 0x00C5CB04 R25 = 0x00D77910 R26 = 0x00000000 R27 = 0x00E11A9C

R28 = 0x43323935 R29 = 0x00D7C5F0 R30 = 0x00D7C5F4 R31 = 0x0000FD01

Stack trace:

PC = 0x34CD0000, SP = 0x01261700

Frame 00: SP = 0x10DFAB12 PC = 0x34CD0000

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