router log message

[willymaldonado1]

I got this message like 500 times non-stop and I have no idea what does it mean, i have a cisco 2921mx and a couple 
of 2900's switches hooked up in this application, however this message got me confused... any help would be apresiated.

SYS-2-INTSCHED: 'suspend' at level 3 -Process= "Exec", ip
l= 3, pid= 3 -Traceback= 0x8092C040 0x80623304 0x814CDE30 0x8190DC60 0x80EE58EC
0x80EE3654 0x8190DC18 0x80EE36C0 0x80EC1F40 0x80D23AB8 0x80D257E0 0x80D25A7C 0x8
122F6E0 0x8026E5E0 0x802647C4 0x8096E230

[Richard Burts · Accepted solution]

I am not sure of the details of the problem but can say that it points to a software problem. The trace backs in the messages are always an indicator of software problems and supply details that tell Cisco developers about the problem. If the router is covered under maintenance then I would suggest opening a case with TAC.

HTH

Rick

Sent from Cisco Technical Support iPad App

[Sandeep Choudhary · Accepted solution]

HI Williy,

  %SYS-2-INTSCHED:   '[chars]' at level [dec]

An internal software error has occurred.

%SYS-2-INTSCHED: 'may_suspend' at level 3 -Process= "IP NAT Ager", ipl= 3, pid= 118 -Traceback= ........................

While reporting slowness on the network.

Workaround: Not known at this time.

Symptoms: If a reload occurs on a Cisco router that has interrupts disabled, the crashinfo file may take a long time to write because error messages like the following are generated each time a write is attempted:

SYS-2_INTSCHED

Conditions: This symptom is observed on a Cisco router when interrupts are disabled and a software reload occurs.

Workaround: There is no workaround.

Maybe you should try a software update.

or contact cisco TAC with the exact error log.

Hope to help

Regards

please rate if it helps

[nathanaelminesso · Accepted solution]

Hi Willy,

This error means that the plattform and version information was not found. Can you copy paste a show version and a show stacks as well as show align output?

[willymaldonado1]

these are my show outputs.....

Cisco IOS Software, C2600 Software (C2600-ADVSECURITYK9-M), Version 12.4(19b), R
ELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Fri 13-Jun-08 02:48 by prod_rel_team

ROM: System Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)

TECHNET uptime is 2 hours, 3 minutes
System returned to ROM by power-on
System image file is "flash:flash:c2600-advsecurityk9-mz.124-19b.bin"

Cisco 2621XM (MPC860P) processor (revision 3.0) with 94540K/3764K bytes of memor
y.
Processor board ID JAE0821J2B2
M860 processor: part number 5, mask 2
2 FastEthernet interfaces
32K bytes of NVRAM.
32768K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102


Minimum process stacks:
 Free/Size   Name
 5548/6000   Clock Update Proc
 5632/6000   Inspect Init Msg
 5620/6000   SPAN Subsystem
 5584/6000   CDP Protocol
 5952/12000  Init
 5436/6000   RADIUS INITCONFIG
 2536/3000   Rom Random Update Process
 3780/6000   RAC I/F Conf.
 9904/12000  Exec

Interrupt level stacks:
Level    Called Unused/Size  Name
  1     1131955   5724/9000  Network interfaces
  2           0   9000/9000  Timebase Reference Interrupt
  3           0   9000/9000  PA Management Int Handler
  6        1889   8880/9000  16552 Con/Aux Interrupt
  7     1875583   8904/9000  MPC860 TIMER INTERRUPT

No spurious memory references have been recorded.

[willymaldonado1]

I did not mentioned that when I lost internet transmission, I did shutdownt the outside interface do recive an update from my isp (since i get a dynamic ip on this router) and thats when the router when crazy, and like you guys mentioned I believed it might be a software issue,

so far you guys have helped me and not to worry much for a minute I though that it might be an attack, I've been having suspicious knocks at my perimeter router non-stop.

[Ivan Shirshin · Accepted solution]

Hi Willy,

It is a SW bug:

CSCsq22918    "SYS-2-INTSCHED: 'suspend' at level 3" error seen in logs,

duplicate of CSCso19662

Symptoms:

Tracebacks are seen when ip NAT translations get cleared. Possible mesages seen include:

%SYS-2-INTSCHED: 'suspend' at level 3 -Process= "PPP IP Route"

Process could vary.

Conditions:

Cisco device with NAT configure. Not platform dependant

Workaround:

There is no workaround.

Fixed starting with 12.4(21a) and 12.4(20)T01.

Kind Regards,
Ivan

**Please grade this post if you find it useful.