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2960 Switch Crash

I have a number of 2960 switches that have crashed without any reason                  

Under show version

System returned to ROM by address error at PC 0x108971C, address 0x0

System returned to ROM by address error at PC 0x1021770, address 0x0

Is this a software issue. Do I need an IOS upgrade?

Thanks in advance

I have looked these errors up with out much luck. Tried the Output Interpreter which suggested exception crashinfo for a more detailed description if it happens again

However I am more interested in why it happened in the first place

Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE1, RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Mon 06-Apr-09 08:36 by amvarma
Image text-base: 0x00003000, data-base: 0x01400000

ROM: Bootstrap program is C2960 boot loader
BOOTLDR: C2960 Boot Loader (C2960-HBOOT-M) Version 12.2(46r)SE2, RELEASE SOFTWARE (fc1)

GLA-B4-MC-2960-2 uptime is 21 hours, 17 minutes
System returned to ROM by address error at PC 0x1021770, address 0x0
System restarted at 14:00:13 BST Sun Aug 12 2012
System image file is "flash:c2960-lanbasek9-mz.122-50.SE1/c2960-lanbasek9-mz.122-50.SE1.bin"

Everyone's tags (3)
2 ACCEPTED SOLUTIONS

Accepted Solutions
Hall of Fame Super Gold

2960 Switch Crash

Without any idea what exact appliance you've got plus my experience with this IOS, my recommendation is to use either 15.0(1)SE3 or 12.2(55)SE5.

I'm still testing IOS version 12.2(55)SE6 and 15.0(2)SE so I can't provide you with any feedack.

Hall of Fame Super Gold

2960 Switch Crash

*    1 52    WS-C2960-48PST-L   12.2(50)SE1           C2960-LANBASEK9-M

Ok, that settles it.

I have a fleet of these in my network and I've used this IOS version in the past and I can only say this:  Upgrade your IOS, QUICKLY.

There's a major memory leak on this IOS and it affected 100% of my 48-port 2960 with PoE.

5 REPLIES
New Member

Re:2960 Switch Crash

Personally, Id be logging a TAC case ASAP

Sent from Cisco Technical Support Android App

Hall of Fame Super Gold

2960 Switch Crash

Without any idea what exact appliance you've got plus my experience with this IOS, my recommendation is to use either 15.0(1)SE3 or 12.2(55)SE5.

I'm still testing IOS version 12.2(55)SE6 and 15.0(2)SE so I can't provide you with any feedack.

New Member

Re: 2960 Switch Crash

Thanks for the prompt responses.

The exact model is

Switch Ports Model              SW Version            SW Image

------ ----- -----              ----------            ----------

*    1 52    WS-C2960-48PST-L   12.2(50)SE1           C2960-LANBASEK9-M

here is a sh log extract

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: System previously crashed with the following message:

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Cisco IOS Software, C2960 Software (C2960-LANBASEK9-M), Version 12.2(50)SE1, RELEASE SOFTWARE (fc2)

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Copyright (c) 1986-2009 by Cisco Systems, Inc.

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Compiled Mon 06-Apr-09 08:36 by amvarma

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: 

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Debug Exception (Could be NULL pointer dereference) Exception (0x2000)!

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: 

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: SRR0 = 0x01037F80  SRR1 = 0x00029230  SRR2 = 0x0064838C  SRR3 = 0x00021000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: ESR = 0x00000000  DEAR = 0x00000000  TSR = 0x8C000000  DBSR = 0x10000000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: 

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: CPU Register Context:

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Vector = 0x00002000  PC = 0x0108971C  MSR = 0x00029230  CR = 0x33000053

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: LR = 0x010896E0  CTR = 0x0102CA24  XER = 0xE0000057

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R0 = 0x010896E0  R1 = 0x02ABB6A8  R2 = 0x00000000  R3 = 0x026886B0

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R4 = 0x00000000  R5 = 0x00000000  R6 = 0x00000000  R7 = 0x00000000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R8 = 0x00007530  R9 = 0x00000000  R10 = 0x00000000  R11 = 0x00000005

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R12 = 0x09EB79E9  R13 = 0x00110000  R14 = 0x011F0670  R15 = 0x00000000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R16 = 0x00000000  R17 = 0x00000000  R18 = 0x00000000  R19 = 0x00000000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R20 = 0x00000000  R21 = 0x00000000  R22 = 0x00000000  R23 = 0x0000006A

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R24 = 0x00000000  R25 = 0x0000006B  R26 = 0x00000000  R27 = 0x01B18244

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: R28 = 0x02A891F4  R29 = 0x00000000  R30 = 0x02A891CC  R31 = 0x00000000

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: 

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Stack trace:

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: PC = 0x0108971C, SP = 0x02ABB6A8

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 00: SP = 0x02ABB6B8    PC = 0x010896E0

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 01: SP = 0x02ABB6F0    PC = 0x01021954

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 02: SP = 0x02ABB710    PC = 0x0122A8BC

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 03: SP = 0x02ABB748    PC = 0x00AFC794

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 04: SP = 0x02ABB768    PC = 0x011F0960

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 05: SP = 0x02ABB770    PC = 0x0108B6A8

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: Frame 06: SP = 0x00000000    PC = 0x01082178

Aug 12 14:05:22.154 BST: %PLATFORM-1-CRASHED: 

Hall of Fame Super Gold

2960 Switch Crash

*    1 52    WS-C2960-48PST-L   12.2(50)SE1           C2960-LANBASEK9-M

Ok, that settles it.

I have a fleet of these in my network and I've used this IOS version in the past and I can only say this:  Upgrade your IOS, QUICKLY.

There's a major memory leak on this IOS and it affected 100% of my 48-port 2960 with PoE.

New Member

2960 Switch Crash

Thanks very much, that was exactly what I was after, a similar experience.

I will take your advice

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