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Cisco 4331 Voice Gw random reboot

ikaragk
Level 1
Level 1

Hello guys, i have an ISR 4331 used as a voice GW for my legacy PBX interconnected with E1.

It performs random reboots through the day.

Here is the sh version and part of the crash info.

sh version

Cisco IOS XE Software, Version 03.16.04b.S - Extended Support Release
Cisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(3)S4b, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 by Cisco Systems, Inc.
Compiled Mon 17-Oct-16 20:23 by mcpre


XXX uptime is 23 minutes
Uptime for this control processor is 24 minutes
System returned to ROM by reload
System restarted at 08:06:36 UTC Wed Mar 11 2020
System image file is "bootflash:isr4300-universalk9.03.16.04b.S.155-3.S4b-ext.SPA.bin"
Last reload reason: Critical software exception, check bootflash:crashinfo_RP_00_00_20200311-080129-UTC


========= Start of Crashinfo Collection (08:01:29 UTC Wed Mar 11 2020) =========

For image:
Cisco IOS Software, ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(3)S4b, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2016 by Cisco Systems, Inc.
Compiled Mon 17-Oct-16 20:23 by mcpre


Uptime = 00:51:41




========= Exception Tracebacks =================================================

Exception to IOS:
Frame pointer 0x7FA537784440, PC = 0x7FA5A540FCC2
IOS Thread backtrace:
UNIX-EXT-SIGNAL: Segmentation fault(11), Process = TSP
-Traceback= 1#00996a21ae914aca4b637c04ca379136  :7FA593FA7000+11468CC2 :7FA593FA7000+E4EF729 :7FA593FA7000+11C08703 :7FA593FA7000+11C093E7 :7FA593FA7000+E4FD44B :7FA593FA7000+E4FD0E7
Fastpath Thread backtrace:
-Traceback= 1#00996a21ae914aca4b637c04ca379136  c:7FA55E0EA000+BDF12
Auxiliary Thread backtrace:
-Traceback= 1#00996a21ae914aca4b637c04ca379136  pthread:7FA55833F000+A7C9

Is there anything that i can look for in my config to fix this issue?

Has anyone had anything similar?

6 Replies 6

balaji.bandi
Hall of Fame
Hall of Fame

Looks for me an IOS Bug, not able to find the bug number right one, try to upgrade latest stable recommended version as per the platform. before upgrading make sure you read the release notes and understand any known caveats.

BB

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Hi 

It looks like bug. Can you please download carsh file from router and upload here.

 

Thanks

ikaragk
Level 1
Level 1

Thank you for the response,

I will try with an upgrade, and inform you with the results.

jsceb
Level 1
Level 1

We had the same thing happen to our 4331, was this resolved? 

@jsceb 

Actually i did not proceed to an upgrade of the ios or any other OS action.

 

Looking into the problem I realised that there were calls looping in from the E1 and out from the voip dial-peers several times.

It seems that this was causing the router to restart due to memory insufficiency.

We fixed the call routing of our connected PBXs as longs as the dial-peers of the routers and that seems to resolve the issue.

 

We haven't had a restart for several weeks now.

 

Hope this helps you too.

Thanks, glad you got it fixed. I opened a case with Cisco TAC. They stated we are hitting this bug: 

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvf84340

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