QMON Slave Process Reports an ORA-600 [7005] or ORA-7445[kpoopq] or ORA-7445 [kwqmnslv]

Last updated on FEBRUARY 08, 2018

Applies to:

Symptoms

The following type error is reported by a QMON slave process e.g. q001 in the alert log:

ORA-600 [7005], [0]  

   ORA-00600: internal error code, arguments: [7005], [0], [], [], [], [], [], [], [], [], [], []

   On review of an incident trace generated at the time of the above error (the incident trace referenced in the alert log), the trace has a call stack that includes the call: kponPurgeUnreachLoc.

   ----- Current SQL Statement for this session (sql_id=5udxh0ykgshkb) -----
   select location_name, max(r.reg_id) from reg$ r left outer join
   gv$subscr_registration_stats v on r.reg_id = v.reg_id where location_name
   like 'net8://(%' group by location_name having
   min(current_timestamp-nvl(last_ntfn_sent_time, reg_time)) > :1

   ----- Call Stack Trace -----  includes calls like:

   kprcdt <- kpoalbdf <- kpoal8 <- opiodr <- kpoodr <- upirtrc <- kpurcsc <- kpuexec <- OCIStmtExecute <- kponPurgeUnreachLoc <- kwqmnslv <- ksvrdp

or

ORA-7445 [kpoopq]

   ORA-7445: exception encountered: core dump [kpoopq()+787] [SIGSEGV][ADDR:0x2B23812F6730] [PC:0x1ABDF2F] [Address not mapped to object] []

   ----- Call Stack Trace ----- includes calls like:

   kpoopq <- kpoal8 <- opiodr<- kpoodr <- upirtrc <- upirtr <- kpurcs <- kpurserverparse <- kpureq <- kpuStmtPrep2New <- kpuStmtCachePrepare <- kpureq2 <-OCIStmtPrepare2<- kponPurgeUnreachLoc <- kwqmnslv <- ksvrdp

or

ORA-7445 [kwqmnslv]

   ORA-7445 [kwqmnslv()+1009] [SIGSEGV]

   ----- Call Stack Trace ----- minimal stack trace includes call:

   kwqmnslv

Cause