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3745 router crashing, spurious memory and tracebacks

Have 2 3745s with 12.4(3e) and one is crashing and the other one is fine so far. Both have same configuration pretty much except the one has one more T1 card.

The one that is crashing and rebooting due to unknown error.

3745 uptime is 3 days, 3 hours, 24 minutes

System returned to ROM by error - an unknown failure, PC 0x60ABADD4 at 00:23:53 EDT Thu Sep 14 2006

System image file is "flash:c3745-ipvoice-mz.124-3e.bin"

They are acting as MGCP Voice Gateways for voice calls only on T1 PRI circuits. No other stuff configured on them.

Both are seeing same exact spurious memory accesses and traceback entries in log.

*Aug 23 12:48:30.226: %ALIGN-3-SPURIOUS: Spurious memory access made at 0x6119670C reading 0xC

*Aug 23 12:48:30.230: %ALIGN-3-TRACE: -Traceback= 0x6119670C 0x61196CC4 0x6118E0B8 0x611BF798 0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

*Aug 23 12:48:30.230: %ALIGN-3-TRACE: -Traceback= 0x61196714 0x61196CC4 0x6118E0B8 0x611BF798 0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

*Aug 23 12:48:30.230: %ALIGN-3-TRACE: -Traceback= 0x6119671C 0x61196CC4 0x6118E0B8 0x611BF798 0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

*Aug 23 12:48:30.230: %ALIGN-3-TRACE: -Traceback= 0x61196728 0x61196CC4 0x6118E0B8 0x611BF798 0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

*Aug 24 12:20:10.133: %ALIGN-3-SPURIOUS: Spurious memory access made at 0x609832B8 reading 0x14

*Aug 24 12:20:10.137: %ALIGN-3-TRACE: -Traceback= 0x609832B8 0x609868E4 0x60AE13DC 0x60AE7C88 0x0 0x0 0x0 0x0

show stack:

show stack

Minimum process stacks:

Free/Size Name

5284/6000 Clock Update Proc

5336/6000 SPAN Subsystem

59136/60000 script background loader

5156/6000 DIB error message

2312/3000 allegro libretto init

3220/12000 Init

5148/6000 RADIUS INITCONFIG

4860/6000 TFTP Read Process

34844/36000 TCP Command

2104/3000 Rom Random Update Process

6380/12000 Virtual Exec

Interrupt level stacks:

Level Called Unused/Size Name

1 283986085 6576/9000 Network interfaces

2 4569282 8544/9000 DMA/Timer Interrupt

3 0 9000/9000 PA Management Int Handler

4 1684 8616/9000 Console Uart

5 0 9000/9000 External Interrupt

7 788542896 8568/9000 NMI Interrupt Handler

--------

show align

Alignment data for:

3700 Software (C3745-IPVOICEK9-M), Version 12.4(3e), RELEASE SOFTWARE (fc2)

Technical Support: http://www.cisco.com/techsupport

Compiled Wed 14-Jun-06 04:55 by alnguyen

No alignment data has been recorded.

Total Spurious Accesses 8, Recorded 5

Address Count Traceback

C 1 0x6119670C 0x61196CC4 0x6118E0B8 0x611BF798

0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

4 1 0x61196714 0x61196CC4 0x6118E0B8 0x611BF798

0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

8 1 0x6119671C 0x61196CC4 0x6118E0B8 0x611BF798

0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

6C 1 0x61196728 0x61196CC4 0x6118E0B8 0x611BF798

0x611BA7FC 0x61F2501C 0x61F25398 0x6119D1B8

14 4 0x609832B8 0x609868E4 0x60AE13DC 0x60AE7C88

2 REPLIES
Blue

Re: 3745 router crashing, spurious memory and tracebacks

Erick,

I have seen this on 3745s when the network clocking was not configured correctly. Can you post your config?

Dave

Re: 3745 router crashing, spurious memory and tracebacks

Ok. It wasn't configured on this router for some reason and I added it. We'll see what happens. We had recently updated from 12.3(11)T IOS due to some MGCP/voice bugs and did not have issue then. Only started having the crash/spurious memory issue upon upgrading. We do have enough memory/flash for what the image requires per ciscos site.

Thanks.

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