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Cisco Bug: CSCte78737 - dbmon core - hung db connections - watchdog abort

Last Modified

Jul 03, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

7.1 8.0(1.10000.3)

Description (partial)

Symptom:
dbmon coredumps.  There is no impact to call rate.  dbmon comes back up and recovers on its own.

CLI command utils core analyze may show:

 ***********************************
 backtrace
 ***********************************
#0  0x00afc7a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0x004d1825 in raise () from /lib/tls/libc.so.6
#2  0x004d3289 in abort () from /lib/tls/libc.so.6
#3  0x08091daa indbl::NotifyWorkerWatchdog::IntentionalAbortThreadNotResponding (this=0xbfeb1a70, s=0x815c3ec
    "10 minutes has passed and the cleaner              thread is not responding") at NotifyWorker.cpp:461
#4  0x08091c73 in dbl::NotifyWorkerWatchdog::svc (this=0xbfeb1a70) at NotifyWorker.cpp:428
#5  0x00431f47 in ACE_Task_Base::svc_run    (args=0xbfeb1a70) at Task.cpp:258
#6  0x004330c6 in ACE_Thread_Adapter::invoke_i (this=0x9fdcb28) at Thread_Adapter.cpp:151
#7  0x00433029 in ACE_Thread_Adapter::invoke (this=0x9fdcb28) at Thread_Adapter.cpp:95
#8  0x003c3087 in ace_thread_adapter (args=0x0) at Base_Thread_Adapter.cpp:137
#9  0x001663cc in start_thread () from /lib/tls/libpthread.so.0 #10 0x0057596e in clone () from /lib/tls/libc.so.6


Conditions:
This happens more often during a drs restore.  Has also been seen after replication setup.  Almost always on publishers and most often with servers with 2gb of memory(7825/35).
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