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Cisco Bug: CSCvv18639 - Memory Dump is seen due to DRE cache corruption

Last Modified

Aug 17, 2020

Products (1)

  • Cisco Wide Area Application Services (WAAS) Appliances

Known Affected Releases

6.2(3d) 6.4(3)

Description (partial)

Symptom:
so_dre service restarted due to a segmentation fault..


2020 Jun 19 14:04:37 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-5-330027: Process with pid 25348 exits 
2020 Jun 19 14:04:37 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-3-330025: Service 'so_dre' died due to signal 3: Quit 
2020 Jun 19 14:04:37 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-5-330032: Stopping service: 'so_dre'. 
2020 Jun 19 14:04:37 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-5-330036: Stop service 'so_dre' using: '/ruby/bin/so_dre_stop.sh' with pid: 10691 
2020 Jun 19 14:04:59 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-5-330119: service_stop: done stopping service so_dre data server item, rc = 0. 
2020 Jun 19 14:05:00 JMLIN-1-CR-O-A Nodemgr: %WAAS-NODEMGR-5-330040: Start service 'so_dre' using: '/ruby/bin/so_dre_start.sh' with pid: 10858

And so_dre is running with same pid since then.. Check below ps output..
athomas  10858  5.0 11.2 1212528 440924 ?      Sl   Jun19 1973:28 /sw/unicorn/bin64/so_dre

Conditions:
WAAS using 6x code and so_dre service is running
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