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ORA 7445 [ipcdat_create_ep()+5863 Ipcdat.c:7375] causing database instance crash (Doc ID 2771829.1)

Last updated on JULY 20, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 19.6.0.0.0 and later
Information in this document applies to any platform.

Symptoms

 

Database instance crash with ORA-07445. 

 

2021-01-10T21:18:44.869010-06:00
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x19F86FF0]
[PC:0x7F617562DF57, ipcdat_create_ep()+5863 ipcdat.c:7375] [flags: 0x0,
count: 1]
Errors in file
/u01/app/oracle/diag/rdbms/xxxxxx/xxxxxx1/trace/xxxxxx1_lgwr_83013.trc
(incident=1444726):
ORA-07445: exception encountered: core dump [ipcdat_create_ep()+5863
ipcdat.c:7375] [SIGSEGV] [ADDR:0x19F86FF0] [PC:0x7F617562DF57] [Address not
mapped to object] []
Incident details in:
/u01/app/oracle/diag/rdbms/xxxxxx/xxxxxx1/incident/incdir_1444726/xxxxxx1_lgwr
_83013_i1444726.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
2021-01-10T21:18:46.029917-06:00
Dumping diagnostic data in directory=[cdmp_20210110211846], requested by
(instance=1, osid=83013 (LGWR)), summary=[incident=1444726].
2021-01-10T21:18:49.308848-06:00
Process termination requested for pid 82908_82919 [source = rdbms], [info =
0] [request issued by pid: 82765, uid: 3091]
2021-01-10T21:18:49.308862-06:00

2021-01-10T21:18:49.344669-06:00
Cause - 'Instance is being terminated due to fatal process death (pid: 62,
ospid: 83013, LGWR)'
2021-01-10T21:18:49.481868-06:00
System state dump requested by (instance=1, osid=82765 (PMON)),
summary=[abnormal instance termination]. error - 'Instance is terminating.
'
System State dumped to trace file
/u01/app/oracle/diag/rdbms/xxxxxx/xxxxxx1/trace/xxxxxx1_diag_82875.trc
2021-01-10T21:18:55.568784-06:00
Instance terminated by PMON, pid = 82765
2021-01-10T21:21:42.244128-06:00
Starting ORACLE instance (normal) (OS id: 169815)
2021-01-10T21:21:42.262682-06:00

 

 

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x19F86FF0]
[PC:0x7F617562DF57, ipcdat_create_ep()+5863 ipcdat.c:7375] [flags: 0x0,
count: 1]
Registers:
%rax: 0x0000000000000000 %rbx: 0x00007f61800730a0 %rcx: 0x00007f6175657df4
%rdx: 0x0000000000000001 %rdi: 0x000000001881c6c0 %rsi: 0x0000000000040000
%rsp: 0x00007ffce175aad0 %rbp: 0x00007ffce175ab90 %r8: 0x0000000018e70908
%r9: 0x0000000018e70908 %r10: 0x0000000018e70bc8 %r11: 0x000000001888aed0
%r12: 0x0000000018857120 %r13: 0x0000000019f86ff0 %r14: 0x000000001888aed0
%r15: 0x0000000000000000 %rip: 0x00007f617562df57 %efl: 0x0000000000010246
ipcdat_create_ep()+5841 (0x7f617562df41) mov $0x1,%edx
ipcdat_create_ep()+5846 (0x7f617562df46) lea 0x29ea7(%rip),%rcx
ipcdat_create_ep()+5853 (0x7f617562df4d) xor %eax,%eax
ipcdat_create_ep()+5855 (0x7f617562df4f) mov 0x940(%r12),%rdi
> ipcdat_create_ep()+5863 (0x7f617562df57) mov 0x0(%r13),%r8
ipcdat_create_ep()+5867 (0x7f617562df5b) call *%ebx
ipcdat_create_ep()+5869 (0x7f617562df5d) xor %eax,%eax
ipcdat_create_ep()+5871 (0x7f617562df5f) lea -0x28(%rbp),%rsp
ipcdat_create_ep()+5875 (0x7f617562df63) pop %rbx

*** 2021-01-10T21:18:44.966758-06:00
dbkedDefDump(): Starting a non-incident diagnostic dump (flags=0x3, level=3,
mask=0x0)
[TOC00004]
----- SQL Statement (None) -----
Current SQL information unavailable - no cursor.
[TOC00004-END]

[TOC00005]
----- Call Stack Trace -----
calling call entry argument values in hex

location type point (? means dubious value)

-------------------- -------- --------------------
----------------------------

sslsshandler()+94 call sslssSynchHdlr() 000002000 000000000
000000000
7F61789E7380 ?
7F61789E72E8 ?
000000083 ?
__sighandler() call sslsshandler() 00000000B 7F61789E74B0
7F61789E7380 7F61789E7380
?
7F61789E72E8 ? 000000083 ?
ipcdat_create_ep()+ signal __sighandler() 01881C6C0 000040000
000000001
5863 ipcdat.c:7375 7F6175657DF4 ? 018E70908 ?
018E70908 ?
ossnet_ipcdat_creat call ipcdat_create_ep() 018857120 01888AED0
000000000
e_ep()+831 ossnet_i 018E70B10 019EC7B90
000000000
pcdat.c:1162
ossdisk_get_rdma_pm call ossnet_ipcdat_creat 7F617562E930 7F617562C870
emlog_info()+843 os e_ep() 7F617562C610 7F617563AA80
sdisk_ipcdat.c:3715 7F6175636F20 7F61756356D0
ossdisk_write()+173 call ossdisk_get_rdma_pm 018839730 019EC7990
01888AED0
1 ossdisk.c:3959 emlog_info() 7F617563AA80 ?
7F6175636F20 ?
7F61756356D0 ?
oss_write()+1621 os call ossdisk_write() 000000200 018839730
019EC7850
slib.c:3438 001400000 7F61807D6FF8
000000200
kfk_submit_one_oss_ call oss_write() 01881CEE0 0000000A7
000000008
io()+2406 000000006 000015F90
7F61808AA6D0
kfk_submit_oss_io() call kfk_submit_one_oss_ 7F61FFFFFFFF 000000038
+459 io() 000000008 ? 7F6174EC4378
000015F90 ? 7F61808AA6D0 ?
kfk_submit_io()+367 call kfk_submit_oss_io() 7F61788B3788 000000038 ?
7 000000008 ? 7F6174EC4378 ?
000015F90 ? 7F61808AA6D0 ?
kfk_io1()+1122 call kfk_submit_io() 7F61788B3788 ? 000000038 ?
000000008 ? 7F6174EC4378 ?
000015F90 ? 7F61808AA6D0 ?
kfk_transitIO()+206 call kfk_io1() 7F61788B3E68 000000000
7 000000000 000000001
000015F90 ? 000000000
kfioSubmitIO()+4487 call kfk_transitIO() 7F6177FE2048 00000000C
7F61788B5728 000000000
000000000 000000000
kfioRequestPriv()+1 call kfioSubmitIO() 7F6174543040 000000002
527 7F61788B5728 ? 000000000 ?
000000000 ? 000000000 ?
kfioRequest()+672 call kfioRequestPriv() 000000438 000000000
2DBEAF6C0
000000200 17B5EF4B8
000000000
ksfdafRequest()+342 call kfioRequest() 7F6174543040 000000002
7F6174543070 000000002

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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