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ORA-07445: Exception Encountered: Core Dump [lnxsni()+114] (Doc ID 2020665.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 12.1]
Information in this document applies to any platform.


On Oracle 12c, the alert log reports next error:

CJQ0 started with pid=52, OS id=1010
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0xCD0F102, lnxsni()+114] [flags: 0x0, count: 1]
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_cjq0_1010.trc  (incident=35473) (PDBNAME=CDB$ROOT):
ORA-07445: exception encountered: core dump [lnxsni()+114] [SIGSEGV] [ADDR:0x0] [PC:0xCD0F102] [Address not mapped to object] []

The trace file with the ORA-7445, shows characteristics like:

*** 2015-06-08 10:11:00.422
*** SESSION ID:(254.33941) 2015-06-08 10:11:00.422
*** CLIENT ID:() 2015-06-08 10:11:00.422
*** SERVICE NAME:(SYS$BACKGROUND) 2015-06-08 10:11:00.422
*** MODULE NAME:() 2015-06-08 10:11:00.422
*** CLIENT DRIVER:() 2015-06-08 10:11:00.422
*** ACTION NAME:() 2015-06-08 10:11:00.422
*** CONTAINER ID:(1) 2015-06-08 10:11:00.422

Jump to table of contents
Dump continued from file: /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_cjq0_26546.trc
ORA-07445: exception encountered: core dump [lnxsni()+114] [SIGSEGV] [ADDR:0x0] [PC:0xCD0F102] [Address not mapped to object] []

========= Dump for incident 33265 (ORA 7445 [lnxsni]) ========
----- Beginning of Customized Incident Dump(s) -----
Dumping swap information
Memory (Avail / Total) = 467.28M / 7727.86M
Swap (Avail / Total) = 4102.89M /  4112.00M
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0xCD0F102, lnxsni()+114] [flags: 0x0, count: 1]
%rax: 0x0000000000000001 %rbx: 0x0000000000000000 %rcx: 0x0000000000000002
%rdx: 0x0000000000000001 %rdi: 0x0000000000000000 %rsi: 0x0000000000000002
%rsp: 0x00007fffe3ad1260 %rbp: 0x00007fffe3ad1300  %r8: 0x0000000000000002
%r9: 0x0000000000000060 %r10: 0x00007f3487653e30 %r11: 0x0000000000000040
%r12: 0x0000000000000002 %r13: 0x0000000000000008 %r14: 0x00007fffe3ad1348
%r15: 0x0000000000000001 %rip: 0x000000000cd0f102 %efl: 0x0000000000010202
 lnxsni()+99 (0xcd0f0f3) cmove %eax,%edx
 lnxsni()+102 (0xcd0f0f6) mov %edx,-0x58(%rbp)
 lnxsni()+105 (0xcd0f0f9) test %rcx,%rcx
 lnxsni()+108 (0xcd0f0fc) jz 0xcd0fa34
> lnxsni()+114 (0xcd0f102) movzbl (%rbx),%eax
 lnxsni()+117 (0xcd0f105) cmp $1,%rcx
 lnxsni()+121 (0xcd0f109) jz 0xcd0fa20
 lnxsni()+127 (0xcd0f10f) mov %eax,%r15d
 lnxsni()+130 (0xcd0f112) shr $0x7,%r15d

*** 2015-06-08 10:11:00.428
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x3, level=3, mask=0x0)
----- Current SQL Statement for this session (sql_id=3bdrj5zz7f04f) -----
select /*+ no_monitor */ CON_ID, OBJOID, RETRYCNT, FLAGS, STATUS,      ISLW, PARNT, JDESTID, LSTIME FROM (  select nvl(a.con_id,0) CON_ID, a.obj# OBJOID, a.retry_count RETRYCNT,     a.job_status STATUS, a.flags FLAGS, a.running_instance RUNINST,     0 ISLW, 0 PARNT, a.job_dest_id JDESTID, a.last_start_date LSTIME  from sys.scheduler$_cdb_job a  union all  select nvl(b.con_id,0), b.obj#, b.retry_count, b.job_status, b.flags,    b.running_instance, 1,    decode(bitand(b.flags, 137438953472), 0, 0, b.program_oid), b.job_dest_id,    b.last_start_date  from sys.scheduler$_cdb_comb_lw_job b )  where ((bitand(STATUS, 2) = 2 and  LSTIME < :1   and ( (RUNINST = :2  )      or ( RUNINST is not null            and  RUNINST not in (select inst_id from gv$instance)))) )  order by CON_ID, OBJOID

----- Call Stack Trace ---------
... lnxsni evaban evaopn2 evareo expepr evaiand expeal kpdbcvFetchCbkCon kpdbcvFetch qerfxFetch qergiFetch rwsfcd qeruaFetch qervwFetch qerflFetchOutside qersoProcessULS qersoFetchSimple qersoFetch opifch2 opifch opiodr ...



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