Dm_oracle Core Dump During Production Load Billing (Doc ID 2964931.1)

Last updated on AUGUST 14, 2023

Applies to:

Symptoms

More than 30+ core files from dm_oracle has been observed with two distinct stack traces on a production like environment with current production data.

Stack Trace#1:
#0 0x00007f39dc7024fb in raise () from /lib64/libpthread.so.0
#1 0x00007f39b9569582 in skgesigOSCrash () from /u01/app/oracle/product/12.2.0/client64/lib/libclntsh.so.12.1
#2 0x00007f39b9b898a5 in kpeDbgSignalHandler () from /u01/app/oracle/product/12.2.0/client64/lib/libclntsh.so.12.1
#3 0x00007f39b95698c0 in skgesig_sigactionHandler () from /u01/app/oracle/product/12.2.0/client64/lib/libclntsh.so.12.1
#4
#5 0x00007f39dbe51387 in raise () from /lib64/libc.so.6
#6 0x00007f39dbe52a78 in abort () from /lib64/libc.so.6
#7 0x00000000004169a9 in dm_malloc_set_current_heap ()
#8 0x00000000004066f9 in process_op ()
#9 0x0000000000406f44 in dm_back_select_stuff ()
#10 0x0000000000407b8f in dm_back ()
#11 0x000000000040f315 in make_a_child ()
#12 0x0000000000412db4 in main ()

Stack Trace#2:
#0 0x00007f39dbe51387 in raise () from /lib64/libc.so.6
#1 0x00007f39dbe52a78 in abort () from /lib64/libc.so.6
#2 0x00000000004169a9 in dm_malloc_set_current_heap ()
#3 0x000000000040cdd6 in dm_front ()
#4 0x000000000040f22d in make_a_child ()
#5 0x0000000000412f1e in main ()

At the time of the Core dump following operations are being performed
-> OLTP transactions like CustomerCreation,Planchange,UpdateCustomer.DeviceUpdates,ChangeServiceStatus,Online CC Payments(Authorizations) are being performed

Majority of the core dumps are having the StackTrace#1 and core dumps are generated even when the die_on_exception setting is set as 0.

Cause

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