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Cisco Bug: CSCte93101 - HDLC traffic can cause watchdog crash

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

15.0(1)M1

Description (partial)

Symptoms: A Cisco router running Cisco IOS may crash by Watchdog Timeout.  
 The logs prior to
 the crash will have repeated errors similar to:
 
 %SYS-2-INTSCHED: 'event dismiss' at level 3 -Process= "OSPF-100 Hello", 
 
 %SYS-2-INTSCHED: 'idle' at level 3 -Process= "IP Input", 

 The process listed is not relevant.
  
 Conditions: This symptom is observed on a router with an interface using HDLC 
 encapsulation with traffic
 passing. HDLC is the default encapsulation type for serial interface.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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