Preview Tool

Cisco Bug: CSCum76381 - Fatal Signal 11: Segmentation fault npumgr_delete_forwarding_rec()

Last Modified

Dec 25, 2016

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases


Description (partial)

Multiple npumgr crashes. 

Fatal Signal 11: Segmentation fault
  PC: [0010f060/A] npumgr_delete_forwarding_rec()
  Faulty address: 0x96769178
  Signal from: kernel
  Signal detail: address not mapped to object
  Process: card=12 cpu=1 arch=A pid=863 cpu=~100% argv0=npumgr
  Crash time: 2014-Jan-23+17:47:24 UTC
  Recent errno: 11 Resource temporarily unavailable
  Stack (23588@0x7effa000):
    [0010f060/A] npumgr_delete_forwarding_rec() sp=0x7effa740
    [000fe5a8/A] sn_npumgr_db_process_forwarding_list() sp=0x7effb754
    [001092a0/A] sn_npumgr_forwarding_add_del_mod_func() sp=0x7effc860
    [0010a23c/A] sn_npumgr_forwarding_add_del_mod_handler() sp=0x7effcd40
    [011bb0d8/A] sn_msg_arriving_handle() sp=0x7effd194
    [01196e04/A] sn_loop_run() sp=0x7efff694
    [01097de8/A] main() sp=0x7efffc0c

15.0 (52633)
The npumgr crash seems to happen sometimes after vpnmgr restart.

Issue happens only if number of  ECMP group in system exceeds 512 and we have combination of IP ECMP and MPLS ECMP routes. Once we have this case, vpnmgr restart triggers this crash.
Bug details contain sensitive information and therefore require a 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.