数据库不能open 报ORA-7445 lmebucp错

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标题:数据库不能open 报ORA-7445 lmebucp错

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

有一个朋友数据库启动报错ORA-03113

SQL> select * from v$version;

BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE    10.2.0.5.0      Production
TNS for Linux: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production

SQL> startup
ORACLE instance started.

Total System Global Area 1610612736 bytes
Fixed Size                  2096632 bytes
Variable Size             385876488 bytes
Database Buffers         1207959552 bytes
Redo Buffers               14680064 bytes
Database mounted.
ORA-03113: end-of-file on communication channel

alert日志报ORA-7445 lmebucp()+24错误

Sun Apr 08 08:05:07 CST 2018
ALTER DATABASE   MOUNT
Sun Apr 08 08:05:11 CST 2018
Setting recovery target incarnation to 2
Sun Apr 08 08:05:11 CST 2018
Successful mount of redo thread 1, with mount id 2650526067
Sun Apr 08 08:05:11 CST 2018
Database mounted in Exclusive Mode
Completed: ALTER DATABASE   MOUNT
Sun Apr 08 08:05:11 CST 2018
ALTER DATABASE OPEN
Sun Apr 08 08:05:11 CST 2018
Thread 1 opened at log sequence 1
  Current log# 1 seq# 1 mem# 0: /u01/app/oracle/oradata/t10g/redo01.log
Successful open of redo thread 1
Sun Apr 08 08:05:11 CST 2018
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Sun Apr 08 08:05:11 CST 2018
SMON: enabling cache recovery
Sun Apr 08 08:05:11 CST 2018
Errors in file /u01/app/oracle/admin/t10g/udump/t10g_ora_32810.trc:
ORA-07445: exception encountered: core dump [lmebucp()+24] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []

对应trace文件

Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object), addr: 0x0, PC: [0x37e6418, lmebucp()+24]
*** 2014-04-08 08:05:11.793
ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [lmebucp()+24] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []
Current SQL statement for this session:
ALTER DATABASE OPEN
----- Call Stack Trace -----
calling              call     entry                argument values in hex
location             type     point                (? means dubious value)
-------------------- -------- -------------------- ----------------------------
ksedst()+31          call     ksedst1()            000000000 ? 000000001 ?
                                                   7F4238A22BD0 ? 7F4238A22C30 ?
                                                   7F4238A22B70 ? 000000000 ?
ksedmp()+610         call     ksedst()             000000000 ? 000000001 ?
                                                   7F4238A22BD0 ? 7F4238A22C30 ?
                                                   7F4238A22B70 ? 000000000 ?
ssexhd()+629         call     ksedmp()             000000003 ? 000000001 ?
                                                   7F4238A22BD0 ? 7F4238A22C30 ?
                                                   7F4238A22B70 ? 000000000 ?
__restore_rt()+0     call     ssexhd()             00000000B ? 7F4238A23BF0 ?
                                                   7F4238A23AC0 ? 7F4238A22C30 ?
                                                   7F4238A22B70 ? 000000000 ?
lmebucp()+24         signal   __restore_rt()       000000000 ? 000008C00 ?
                                                   7FFF0F778790 ? 000000009 ?
                                                   000000000 ? 00000000D ?
kqlbebs()+1468       call     lmebucp()            000000000 ? 000008C00 ?
                                                   7FFF0F778790 ? 000000009 ?
                                                   000000000 ? 00000000D ?
kqlblfc()+172        call     kqlbebs()            000000000 ? 0BC119DE0 ?
                                                   7FFF0F778790 ? 000000009 ?
                                                   000000000 ? 00000000D ?
adbdrv()+58009       call     kqlblfc()            000000000 ? 7FFF0F77F610 ?
                                                   7FFF0F778790 ? 000000009 ?
                                                   000000000 ? 00000000D ?
opiexe()+13745       call     adbdrv()             000000000 ? 7FFF0F77F610 ?
                                                   0B9FFF9A8 ? 000000009 ?
                                                   000000000 ? 00000000D ?
opiosq0()+3398       call     opiexe()             000000004 ? 000000000 ?
                                                   7FFF0F7807CC ? 000000001 ?
                                                   000000000 ? 00000000D ?
kpooprx()+318        call     opiosq0()            000000003 ? 00000000E ?
                                                   7FFF0F780AF8 ? 0000000A4 ?
                                                   000000000 ? 600000013 ?
kpoal8()+783         call     kpooprx()            7FFF0F783CDC ? 7FFF0F781D30 ?
                                                   000000013 ? 000000001 ?
                                                   000000000 ? 600000013 ?
opiodr()+1184        call     kpoal8()             00000005E ? 000000017 ?
                                                   7FFF0F783CD8 ? 000000001 ?
                                                   000000001 ? 600000013 ?
ttcpip()+1226        call     opiodr()             00000005E ? 000000017 ?
                                                   7FFF0F783CD8 ? 000000000 ?
                                                   005BEBD70 ? 600000013 ?
opitsk()+1310        call     ttcpip()             006AF1FB0 ? 0054A6760 ?
                                                   7FFF0F783CD8 ? 000000000 ?
                                                   7FFF0F7837D8 ? 7FFF0F783E40 ?
opiino()+1024        call     opitsk()             000000003 ? 000000000 ?
                                                   7FFF0F783CD8 ? 000000001 ?
                                                   000000000 ? 721000200000001 ?
opiodr()+1184        call     opiino()             00000003C ? 000000004 ?
                                                   7FFF0F784ED8 ? 000000001 ?
                                                   000000000 ? 721000200000001 ?
opidrv()+548         call     opiodr()             00000003C ? 000000004 ?
                                                   7FFF0F784ED8 ? 000000000 ?
                                                   005BEB820 ? 721000200000001 ?
sou2o()+114          call     opidrv()             00000003C ? 000000004 ?
                                                   7FFF0F784ED8 ? 000000000 ?
                                                   005BEB820 ? 721000200000001 ?
opimai_real()+163    call     sou2o()              7FFF0F784EB0 ? 00000003C ?
                                                   000000004 ? 7FFF0F784ED8 ?
                                                   005BEB820 ? 721000200000001 ?
main()+116           call     opimai_real()        000000002 ? 7FFF0F784F40 ?
                                                   000000004 ? 7FFF0F784ED8 ?
                                                   005BEB820 ? 721000200000001 ?
__libc_start_main()  call     main()               000000002 ? 7FFF0F784F40 ?
+244                                               000000004 ? 7FFF0F784ED8 ?
                                                   005BEB820 ? 721000200000001 ?
_start()+41          call     __libc_start_main()  00072D108 ? 000000002 ?
                                                   7FFF0F785098 ? 000000000 ?
                                                   005BEB820 ? 000000002 ?

--------------------- Binary Stack Dump ---------------------

10046定位语句

SQL> staRTUP MOUNT
ORACLE instance started.

Total System Global Area 1610612736 bytes
Fixed Size                  2096632 bytes
Variable Size             385876488 bytes
Database Buffers         1207959552 bytes
Redo Buffers               14680064 bytes
Database mounted.
SQL> oradebug setmypid
Statement processed.
SQL> alter session set events '10046 trace name context forever, level 12';

Session altered.

SQL> oradebug tracefile_name
/u01/app/oracle/admin/t10g/udump/t10g_ora_32908.trc
SQL> alter database open;
ERROR:
ORA-03113: end-of-file on communication channel


SQL> 


PARSING IN CURSOR #2 len=55 dep=1 uid=0 oct=3 lid=0 tim=1463569438249596 hv=2111436465 ad='beb13e10'
select line#, sql_text from bootstrap$ where obj# != :1
END OF STMT
PARSE #2:c=0,e=471,p=0,cr=0,cu=0,mis=1,r=0,dep=1,og=4,tim=1463569438249594
BINDS #2:
kkscoacd
 Bind#0
  oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
  oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
  kxsbbbfp=7f8f940fadc0  bln=22  avl=02  flg=05
  value=56
EXEC #2:c=2000,e=61246,p=0,cr=0,cu=0,mis=1,r=0,dep=1,og=4,tim=1463569438310929
WAIT #2: nam='db file sequential read' ela= 41 file#=1 block#=377 blocks=1 obj#=56 tim=1463569438311099
WAIT #2: nam='db file scattered read' ela= 73 file#=1 block#=378 blocks=3 obj#=56 tim=1463569438311528
FETCH #2:c=1000,e=775,p=4,cr=5,cu=0,mis=0,r=0,dep=1,og=4,tim=1463569438311772
Exception signal: 11 (SIGSEGV), code: 1 (Address not mapped to object), addr: 0x0, PC: [0x37e6418, lmebucp()+24]
*** 2018-04-08 08:11:44.840
ksedmp: internal or fatal error
ORA-07445: exception encountered: core dump [lmebucp()+24] [SIGSEGV] [Address not mapped to object] [0x000000000] [] []
Current SQL statement for this session:
alter database open

通过这里基本上可以定位,报错是由于bootstrap$中对象异常导致。由于该对象比较特殊,使用一些特殊方法进行处理,数据库正常启动成功

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