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Cisco Bug: CSCvs54327 - Mutual blockage between icpe_satmgr and sysdb_mc

Last Modified

Jan 22, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.1.4.BASE

Description (partial)

Symptom:
Several sysdm and GSP  messages logged indicating an issue between sysdb and several processes
492773: XXXXX RP/0/RP0/CPU0:Dec 22 06:56:59.394 KSA: gsp[255]: %OS-gsp-3-MSG_ENQUEUE_ISSUE : Process pkg/bin/icpe_satmgr (pid 561490) not picking up messages, 1 msgs dropped. 10001 msgs pending, taking 7319208 bytes
492774: XXXXXX RP/0/RP0/CPU0:Dec 22 06:59:05.498 KSA: sysdb_svr_admin[450]: %SYSDB-SYSDB-6-TIMEOUT_EDM : EDM request for 'admin/oper/inventory/rack/0/entity/131/entity/0/attrib/inv_basic_bag' from 'ntpdc' (jid 218, node 0/1/CPU0). No response from 'invmgr' (jid 268, node 0/RP0/CPU0) within the timeout period (100 seconds)
492643: XXXXXX RP/0/RP0/CPU0:Dec 21 19:04:00.224 KSA: sysdb_shared_nc[447]: %SYSDB-SYSDB-6-TIMEOUT_EDM : EDM request for 'oper/n_v_satellite/gl/satellite_status/' from 'icpe_show_satellite' (jid 65946, node 0/RP0/CPU0). No response from 'icpe_satmgr' (jid 1192, node 0/RP0/CPU0) within the timeout period (100 seconds)

SHow process blocked output will show ICPE_satmgr and sysdb are blocked on each other 

show processes blocked location  0/rp0/cpu0
Sun Dec 22 08:59:53.380 KSA
  Jid       Pid Tid            Name State   TimeInState    Blocked-on

  445    209001   6        sysdb_mc  Send   13:57:35:0673  561490  icpe_satmgr
1192    561490   1     icpe_satmgr  Send   13:57:38:0790  209001  sysdb_mc

Conditions:
Huge polling for satellite interfaces via scripts or SNMP polling at the same time recurrently.
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