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New Member

c3750 crash - stack decode

Hi,

Our switch crashed with followin in the crash file:

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

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

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

Using flash:/crashinfo/crashinfo_2.

Cisco IOS Software, C3750 Software (C3750-IPSERVICES-M), Version 12.2(25)SEC, RELEASE SOFTWARE (fc2)

Copyright (c) 1986-2005 by Cisco Systems, Inc.

Compiled Thu 14-Jul-05 21:33 by antonino

Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!

SRR0 = 0x004D9094 SRR1 = 0x00029210 SRR2 = 0x004D7A0C SRR3 = 0x00021000

ESR = 0x00000000 DEAR = 0x00000000 TSR = 0x8C000000 DBSR = 0x10000000

CPU Register Context:

Vector = 0x00002000 PC = 0x0079DF1C MSR = 0x00029210 CR = 0x30000005

LR = 0x0079DE44 CTR = 0x00000000 XER = 0xC0000010

R0 = 0x00000000 R1 = 0x02991070 R2 = 0x00000000 R3 = 0x00000000

R4 = 0xFFFFFFFE R5 = 0x00000000 R6 = 0x02991048 R7 = 0x00000000

R8 = 0x00029210 R9 = 0x015E0000 R10 = 0x018F9770 R11 = 0x00000000

R12 = 0xA0000000 R13 = 0x00010000 R14 = 0x004E61C8 R15 = 0x00000000

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

R20 = 0x00000000 R21 = 0x00000000 R22 = 0x00000000 R23 = 0x00000000

R24 = 0x00000001 R25 = 0x00000003 R26 = 0x004B1834 R27 = 0x00000000

R28 = 0x073FF9FC R29 = 0x000008C8 R30 = 0x00000000 R31 = 0x0000000F

Stack trace:

PC = 0x0079DF1C, SP = 0x02991070

Frame 00: SP = 0x02991080 PC = 0x0079DE1C

Frame 01: SP = 0x02991088 PC = 0x004E1B28

Frame 02: SP = 0x029910C0 PC = 0x004E5FCC

Frame 03: SP = 0x029910E0 PC = 0x004E627C

Frame 04: SP = 0x029910E8 PC = 0x0079FC48

Frame 05: SP = 0x00000000 PC = 0x00799E8C

Here is the stack output:

Minimum process stacks:

Free/Size Name

5048/6000 hulc_flash init

5768/6000 CDP BLOB

8536/9000 IP Background

5464/6000 MDFS LC IPC Init Process

5720/6000 MDFS Reload

5712/6000 stp_change_tree_type

10400/12000 master cfg mgr init process

5728/6000 vqpc_shim_create_addr_tbl

5712/6000 SPAN Subsystem

5712/6000 bulk config process

4912/6000 hpm bulk_vlan_state process

11336/12000 Router Init

8320/12000 Init

8760/9000 cdp init process

5560/6000 RADIUS INITCONFIG

5248/6000 HUDLD fiber table process

5704/6000 Hulc Backup Interface Process

2600/3000 Rom Random Update Process

35208/36000 TCP Command

9208/12000 Virtual Exec

Interrupt level stacks:

Level Called Unused/Size Name

4 101791920 8096/9000 NETWORK INTERFACE CHIP

5 0 9000/9000 SUPERVISOR EXCEPTIONS

6 16034 8936/9000 NS16550 VECTOR

stackdecoder does not giving me anything usefull.Unknown error cause or something.

Can anyone help?

Thanks

Kurt

3 REPLIES
Purple

Re: c3750 crash - stack decode

Running it thru the output interpreter it gives me the following , you will have to check thru these to see if any apply to your case.

CSCsd52341

CSCeg51102

CSCsd69967

CSCse35671

CSCsi83277

CSCsc01706

CSCse03739

CSCeh29781

CSCef58927

CSCsi81401

CSCsa72400

CSCsh64567

New Member

Re: c3750 crash - stack decode

hi Glenn,

Thanks for your feedback.

Seems that none of these bugs are related to our problem.

:(

Kurt

New Member

Re: c3750 crash - stack decode

Kurt, how did you come out with this? I have the same issue.

Thanks,

Kevin Moline

kevin.moline@fiserv.com

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