psql 9.3 automatic recovery in progress

I got some issues with my DB under ubuntu 14.x.
PSQL 9.3, odoo 7.x.

This machine is under KVM with centos 6.x

It has a Raid1 with ssd drives only for this vm.

I detect some unexpected shutdows, see this lines:

2016-09-12 08:59:25 PDT ERROR: missing FROM-clause entry for table
"rp" at character 73
2016-09-12 08:59:25 PDT STATEMENT: select
pp.default_code,pc.product_code,pp.name_template,pc.product_name,rp.name
from product_product pp inner join product_customer_code pc on
pc.product_id=pp.id
2016-09-12 08:59:26 PDT LOG: connection received: host=192.168.2.153 port=59335
2016-09-12 08:59:26 PDT LOG: connection authorized: user=openerp
database=Mueblex
2016-09-12 09:00:01 PDT LOG: connection received: host=::1 port=43536
2016-09-12 09:00:01 PDT LOG: connection authorized: user=openerp
database=template1
2016-09-12 09:00:01 PDT LOG: server process (PID 23958) was
terminated by signal 9: Killed
2016-09-12 09:00:01 PDT DETAIL: Failed process was running: select
pp.default_code,pc.product_code,pp.name_template,pc.product_name,rp.name
from product_product pp inner join product_customer_code pc on
pc.product_id=pp.id
2016-09-12 09:00:01 PDT LOG: terminating any other active server processes
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 09:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 09:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 09:00:01 PDT LOG: archiver process (PID 989) exited with exit code 1
2016-09-12 09:00:01 PDT LOG: all server processes terminated; reinitializing
2016-09-12 09:00:03 PDT LOG: database system was interrupted; last
known up at 2016-09-12 08:59:27 PDT
2016-09-12 09:00:07 PDT LOG: database system was not properly shut
down; automatic recovery in progress
2016-09-12 09:00:07 PDT LOG: redo starts at 29A/AF000028
2016-09-12 09:00:07 PDT LOG: record with zero length at 29A/BC001958
2016-09-12 09:00:07 PDT LOG: redo done at 29A/BC001928
2016-09-12 09:00:07 PDT LOG: last completed transaction was at log
time 2016-09-12 09:00:01.768271-07
2016-09-12 09:00:08 PDT LOG: MultiXact member wraparound protections
are now enabled
2016-09-12 09:00:08 PDT LOG: database system is ready to accept connections
2016-09-12 09:00:08 PDT LOG: autovacuum launcher started
2016-09-12 09:00:15 PDT LOG: connection received: host=127.0.0.1 port=45508

Latter another one:
2016-09-12 09:51:32 PDT ERROR: duplicate key value violates unique
constraint "upc_scan_plant_uniq"
2016-09-12 09:51:32 PDT DETAIL: Key (name, plant_id)=(2016-09-12, 6)
already exists.
2016-09-12 09:51:32 PDT STATEMENT: insert into "upc_scan"
(id,"plant_id","state","name",create_uid,create_date,write_uid,write_date)
values (1438,6,'draft','2016-09-12',87,(now() at time zone
'UTC'),87,(now() at time zone 'UTC'))
2016-09-12 09:51:40 PDT ERROR: duplicate key value violates unique
constraint "upc_scan_plant_uniq"
2016-09-12 09:51:40 PDT DETAIL: Key (name, plant_id)=(2016-09-12, 6)
already exists.
2016-09-12 09:51:40 PDT STATEMENT: insert into "upc_scan"
(id,"plant_id","state","name",create_uid,create_date,write_uid,write_date)
values (1439,6,'draft','2016-09-12',87,(now() at time zone
'UTC'),87,(now() at time zone 'UTC'))
2016-09-12 09:51:43 PDT ERROR: duplicate key value violates unique
constraint "upc_scan_plant_uniq"
2016-09-12 09:51:43 PDT DETAIL: Key (name, plant_id)=(2016-09-12, 6)
already exists.
2016-09-12 09:51:43 PDT STATEMENT: insert into "upc_scan"
(id,"plant_id","state","name",create_uid,create_date,write_uid,write_date)
values (1440,6,'draft','2016-09-12',87,(now() at time zone
'UTC'),87,(now() at time zone 'UTC'))
2016-09-12 10:00:01 PDT LOG: connection received: host=::1 port=43667
2016-09-12 10:00:01 PDT LOG: connection authorized: user=openerp
database=template1
2016-09-12 10:00:01 PDT LOG: server process (PID 30766) was
terminated by signal 9: Killed
2016-09-12 10:00:01 PDT DETAIL: Failed process was running: select
pp.default_code,pc.product_code,pp.name_template,pc.product_name,rp.name
from product_product pp inner join product_customer_code pc on
pc.product_id=pp.id
2016-09-12 10:00:01 PDT LOG: terminating any other active server processes
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT LOG: archiver process (PID 29336) exited with
exit code 1
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 10:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 10:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 10:00:01 PDT LOG: all server processes terminated; reinitializing
2016-09-12 10:00:02 PDT LOG: database system was interrupted; last
known up at 2016-09-12 09:58:45 PDT
2016-09-12 10:00:06 PDT LOG: database system was not properly shut
down; automatic recovery in progress
2016-09-12 10:00:06 PDT LOG: redo starts at 29C/DC000028
2016-09-12 10:00:06 PDT LOG: unexpected pageaddr 29B/ED01A000 in log
segment 000000010000029C000000F2, offset 106496
2016-09-12 10:00:06 PDT LOG: redo done at 29C/F2018D90
2016-09-12 10:00:06 PDT LOG: last completed transaction was at log
time 2016-09-12 10:00:00.558978-07
2016-09-12 10:00:07 PDT LOG: MultiXact member wraparound protections
are now enabled
2016-09-12 10:00:07 PDT LOG: database system is ready to accept connections
2016-09-12 10:00:07 PDT LOG: autovacuum launcher started
2016-09-12 10:00:11 PDT LOG: connection received: host=127.0.0.1 port=45639

Other one:

2016-09-12 15:00:01 PDT LOG: server process (PID 22030) was
terminated by signal 9: Killed
2016-09-12 15:00:01 PDT DETAIL: Failed process was running: SELECT
"name", "model", "description", "month" FROM "etiquetas_temp"
2016-09-12 15:00:01 PDT LOG: terminating any other active server processes
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT LOG: archiver process (PID 3254) exited with
exit code 1
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:01 PDT WARNING: terminating connection because of
crash of another server process
2016-09-12 15:00:01 PDT DETAIL: The postmaster has commanded this
server process to roll back the current transaction and exit, because
another server process exited abnormally and possibly corrupted shared
memory.
2016-09-12 15:00:01 PDT HINT: In a moment you should be able to
reconnect to the database and repeat your command.
2016-09-12 15:00:02 PDT LOG: all server processes terminated; reinitializing
2016-09-12 15:00:02 PDT LOG: database system was interrupted; last
known up at 2016-09-12 14:59:55 PDT
2016-09-12 15:00:06 PDT LOG: database system was not properly shut
down; automatic recovery in progress
2016-09-12 15:00:07 PDT LOG: redo starts at 2A8/69000028
2016-09-12 15:00:07 PDT LOG: record with zero length at 2A8/7201B4F8
2016-09-12 15:00:07 PDT LOG: redo done at 2A8/7201B4C8
2016-09-12 15:00:07 PDT LOG: last completed transaction was at log
time 2016-09-12 15:00:01.664762-07
2016-09-12 15:00:08 PDT LOG: MultiXact member wraparound protections
are now enabled
2016-09-12 15:00:08 PDT LOG: database system is ready to accept connections
2016-09-12 15:00:08 PDT LOG: autovacuum launcher started

What I can see is not because server load, maximum idle is 79%

free
total used free shared buffers cached
Mem: 82493268 82027060 466208 3157228 136084 77526460
-/+ buffers/cache: 4364516 78128752
Swap: 1000444 9540 990904

Little use of swap, I will add more memory next week.

In your experience this looks like HW issue?

Thanks for your time!!!