Guest

Preview Tool

Cisco Bug: CSCta57148 - ipv4_io blocked on fib_mgr after SPA OIR

Last Modified

Jan 15, 2017

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

3.9.0.BASE

Description (partial)

RELEASE NOTE 


Symptom:
Process ipv4_io is blocked on fib_mgr after SPA OIR. CPU goes higher and see the following error messages repeat on console after SPA OIR: 

LC/0/1/CPU0:Jul  3 01:53:08.003 : ipv4_io[175]: %IP-IP_EA-3-BLOCKAGE : FIB update is taking longer than 60 secs for 128 items, please investigate for blocked processes
LC/0/1/CPU0:Jul  3 01:52:08.002 : ipv4_io[175]: %IP-IP_EA-3-BLOCKAGE : Platform update is taking longer than 60 secs for 1 items, please investigate for blocked processes 


Conditions:
This problem occurs when doing SPA OIR of interface with 4K tunnels going through single interface with large number of routes advertised.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.