Guest

Preview Tool

Cisco Bug: CSCun59269 - cmfd crash/fail to start on LC after cfm sla reconfig & clear eth sla st

Last Modified

Jul 20, 2018

Products (1)

  • Cisco Carrier Routing System

Known Affected Releases

4.3.1.CE

Description (partial)

Symptom:
cfmd proc on LC could crash after SLA reconfig and clear stats.
shared mem corruption
#clear ethernet sla statistics all 

Failed to set SysDB item: 'sysdb' detected the 'warning' condition 'The EDM which was responsible for the specified item unregistered while the operation was in progress, or binding to the specified directory is not supported'
Operation failed. Error: 'sysdb' detected the 'warning' condition 'The EDM which was responsible for the specified item unregistered while the operation was in progress, or binding to the specified directory is not supported'

Subsequent restarts fail because the shared memory window is corrupt:

LC/0/1/CPU0:cfmd[135]: %OS-SHMWIN-3-MMAP_ABORT : SHMWIN: arena size: pid 684210, 0x8000, 0x0 
LC/0/1/CPU0:cfmd[135]: %OS-SHMWIN-2-ERROR_ENCOUNTERED : SHMWIN: Error encountered: 'shmwin' detected the 'warning' condition 'Header corruption detected in the window'

Conditions:
ethernet SLA w Y.1731 profiles used on single sub-int.
SLA profile change made followed by "clear ethernet sla statistics"
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.