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Cisco Bug: CSCvv36393 - statsAG memory leak

Last Modified

Sep 22, 2020

Products (1)

  • Cisco Firepower 9300 Series

Known Affected Releases

r231

Description (partial)

Symptom:
- the device is running for more than 500+ days.
- without any changes the following error message throw by firepower. 

2020 Jul 31 01:22:40 (none) kernel: [80536170.094432] mts_is_q_space_available_haslock_old(): NO SPACE - node=4, sap=3028, uuid=0, pid=5644, sap_opt = 0x0, hdr_opt = 0x0, rq=0(0), lq=0(0), pq=0(0), nq=52(5715616), sq=0(0), fast: rq=0, lq=0, pq=0, nq=0, sq=0
2020 Jul 31 01:22:40 (none) kernel: [80536170.094439] mts_print_longest_queue_state: opcode counts for first and last 50 messages in n_pers_q of sap 3028:
2020 Jul 31 01:22:40 (none) kernel: [80536170.094449] mts_print_msg_opcode_in_queue: opcode 7679 - 52 messages
2020 Jul 31 01:23:11 (none) kernel: [80536170.094453] mts_do_msg_input() failing since no space available in 3028 (src_sap = 3028, opc =<2>[80536200.514353] mts_is_q_space_available_haslock_old():2104:Total mtsbuf size 5715616 for sap 3028, exceeds the allowable limit of 15 perc of 8388608

- after a few days, the core file generated. like below. Error messages disappeared as well. No FXOS crashing and biz impact observed.

svc_sam_statsAG_core.5644

Conditions:
- issue observed on a standalone device.
- ASA: 9.6.3.3 FXOS: 2.0.1.159
- FPR4110-NGFW-K9
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