[c-nsp] Continued SegV exception On 7206 LNS

[Mackinnon, Ian]

It's a while since I was involved with a LNS, but 12.2SB was the
favourite, is 15 still a bit new?

Is output interpreter giving any bugs?
What do TAC recommend?
Ian


> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Dominic
> Sent: 07 October 2010 16:42
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] Continued SegV exception On 7206 LNS
> 
> My Cisco 7206VXR with NPE-G2 runs as an LNS terminating PPPOE
sessions.
> It also terminates a DS3 used for data T1s. About once a week or so,
a
> SegV exception happens, and the router resets itself. I have no idear
> why.
> 
> The documentation says this is invariably a software error, and we
have
> upgraded from c7200p-spservicesk9-mz.150-1.M.bin to c7200p-
> spservicesk9-mz.150-1.M3.bin, but he problem continues. There seems to
> be no pattern to it. Sometimes, it happens under heavy load.
Sometimes,
> it happens under very little load in the middle of the night.
> Sometimes, it happens once in two weeks. Sometimes, it happens thrice
a
> day. Usage is still pretty decent, averaging at abotu 30%.
> 
> Does anyone have an idea about what we should be looking at? Should we
> be using a different firmware altogether? Suggestions?
> 
> lns1-dsl#show version
> Cisco IOS Software, 7200 Software (C7200P-SPSERVICESK9-M), Version
> 15.0(1)M3, RELEASE SOFTWARE (fc2)
> Technical Support: http://www.cisco.com/techsupport
> Copyright (c) 1986-2010 by Cisco Systems, Inc.
> Compiled Sun 18-Jul-10 07:28 by prod_rel_team
> 
> ROM: System Bootstrap, Version 12.4(12.2r)T, RELEASE SOFTWARE (fc1)
> BOOTLDR: Cisco IOS Software, 7200 Software (C7200P-KBOOT-M), Version
> 12.4(4)XD5, RELEASE SOFTWARE (fc1)
> 
> lns1-dsl uptime is 21 minutes
> System returned to ROM by error - a SegV exception, PC 0x7420E8 at
> 11:17:36 edt Thu Oct 7 2010
> System restarted at 11:19:41 edt Thu Oct 7 2010
> System image file is "disk2:c7200p-spservicesk9-mz.150-1.M3.bin"
> 
> 
> 
> Dominic
> 
> 
> 
>   ----- Original Message -----
>   From: Dominic
>   To: cisco-nsp at puck.nether.net
>   Sent: Tuesday, September 21, 2010 10:11 PM
>   Subject: SegV exception On 7206 LNS
> 
> 
>   Hi Everyone:
> 
> 
> 
>   show ver
>   ...
>   System returned to ROM by error - a SegV exception, PC 0x73FE74 at
> 14:34:13 edt Tue Sep 21 2010
>   System restarted at 14:36:08 edt Tue Sep 21 2010
>   System image file is "disk2:c7200p-spservicesk9-mz.150-1.M.bin"
>   ...
> 
>   show stacks
>   ...
>    14:34:06 edt Tue Sep 21 2010: Unexpected exception to CPU: vector
> 300, PC = 0x73FE74  , LR = 0x73FDA4
>   -Traceback= 0x73FE74z 0x73FDA4z 0x196B7C8z 0x11E74z 0x6883D0z
> 0x68BDB0z 0x6837B0z 0x66E140z 0x66BC08z 0x4D90000z 0x66E784z 0x66BCC4z
> 0x1939F4Cz 0x65BCE50z 0x1939B58z 0x1939F38z
>   ..
> 
> 
> 
>   Dominic
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