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SIGSEGV, Address not mapped to object] [ADDR:0x38]

HabibAug 9 2013 — edited Aug 9 2013

Hi

I am running Oracle Database 11g Release 11.2.0.1.0 - 64bit on Centos 5.9 64bit. The machine has 128GB RAM and 600GB SAS drives.

I daily get following in my alert.log and my database stops running queries.

Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x38] [PC:0x2503528, pfrln0itinit()+60] [flags: 0x0, count: 2]

Fri Aug 09 04:57:21 2013

Sweep [inc][104359]: completed

Sweep [inc][104358]: completed

Fri Aug 09 08:35:49 2013

PMON failed to acquire latch, see PMON dump

Fri Aug 09 08:36:49 2013

PMON failed to acquire latch, see PMON dump

Fri Aug 09 08:38:19 2013

PMON failed to acquire latch, see PMON dump

Fri Aug 09 08:39:19 2013

Some parameters are:

SQL> show parameter sga

NAME     TYPE VALUE

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

lock_sga     boolean FALSE

pre_page_sga     boolean FALSE

sga_max_size     big integer 12G

sga_target     big integer 12G

SQL> show parameter memory

NAME     TYPE VALUE

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

hi_shared_memory_address     integer 0

memory_max_target     big integer 0

memory_target     big integer 0

shared_memory_address     integer 0

cat /proc/sys/kernel/shmmax

68719476736

cat /proc/sys/kernel/shmall

16777216

I don't have Oracle support contract therefore cannot contact them for help. Can someone please help?

Habib

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