Cisco Bug: CSCuq54043 - Seg Fault@PC: [07aa25cb/X] mmemgr_get_MMEENodeBAssoc()
Dec 24, 2016
- Cisco ASR 5000 Series
Known Affected Releases
184.108.40.206422 220.127.116.11585 18.104.22.168815
seg fault on mmemgr at PC: [07aa25cb/X] mmemgr_get_MMEENodeBAssoc() Symptom: Fatal Signal 11: Segmentation fault PC: [07aa25cb/X] mmemgr_get_MMEENodeBAssoc() Faulty address: 0xc Signal from: kernel Signal detail: address not mapped to object Process: card=1 cpu=0 arch=X pid=5679 cpu=~2% argv0=mmemgr Crash time: 2014-Aug-25+08:40:56 UTC Recent errno: 11 Resource temporarily unavailable Stack (131071@0xfffb2000, probably truncated): [07aa25cb/X] mmemgr_get_MMEENodeBAssoc() sp=0xfffb2398 [07aa36dc/X] mmemgr_process_mme_enodeb_assoc() sp=0xfffb2548 Last Bounce: Src: mmemgr (f=120000,i=8) Dst: sessmgr (f=87000,i=59,m=325872) ID: 0x7d460a0053fc717d Input: mme_s1apmd_peer_req Output: mme_s1apmd_peer_rsp Callback: [04113cb0/X] S1apMD_handle_vector_rsp() Class: MEDIUM Conditions: 1. 40 sgs associations and 10k enb associations brought up which are equally distributed in available 8 mmemgrs 2. performed planned card migration. 3. once migration is done and again all the associations came back and distributed equally, brought down the s1 associations by killing lattice instance. 4. while enb associations are coming down gave "show mme-service enodeb-association sum", which throws the following error and following mmemgr crash is observed in the system.
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