Re: Backup fatal issue - Mailing list pgsql-general

I think we need just a little bit more information.

What is the O/S?

What is the PostgreSQL version?

What is the backup command?

Does this always occur with the same command?

Did you need to restarrt PostgreSQL after this started?

On Fri, Jul 17, 2015 at 3:29 AM, mephysto <mephystoonhell@gmail.com> wrote:

Hi there,
I have some problems in a postgres cluster when I try to execute a backup.
This is the log of entire operation:

LOG:  connection received: host=91.121.182.110 port=54957
LOG:  connection authorized: user=postgres database=postgres
LOG:  statement: BEGIN
LOG:  statement: SET application_name TO barman
LOG:  statement: SHOW "data_directory"
LOG:  connection received: host=91.121.182.110 port=54958
LOG:  connection authorized: user=postgres database=postgres
LOG:  statement: BEGIN
LOG:  statement: SET application_name TO barman
LOG:  statement: SELECT name, setting FROM pg_settings WHERE name IN
('config_file', 'hba_file', 'ident_file')
LOG:  connection received: host=91.121.182.110 port=54959
LOG:  connection authorized: user=postgres database=postgres
LOG:  statement: BEGIN
LOG:  statement: SET application_name TO barman
LOG:  statement: SELECT spcname, oid, pg_tablespace_location(oid) AS
spclocation FROM pg_tablespace WHERE pg_tablespace_location(oid) != ''
LOG:  connection received: host=91.121.182.110 port=54960
LOG:  connection authorized: user=postgres database=postgres
LOG:  statement: BEGIN
LOG:  statement: SET application_name TO barman
LOG:  statement: select pg_is_in_recovery()
LOG:  statement: SELECT xlog_loc, (pg_xlogfile_name_offset(xlog_loc)).*,
now() FROM pg_start_backup('Barman backup redevodb_citrix
20150717T091702',false) as xlog_loc
LOG:  connection received: host=91.121.182.110 port=54988
FATAL:  semctl(983046, 3, SETVAL, 0) failed: Invalid argument
LOG:  server process (PID 1756) exited with exit code 1
LOG:  terminating any other active server processes
WARNING:  terminating connection because of crash of another server process
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.
HINT:  In a moment you should be able to reconnect to the database and
repeat your command.
LOG:  all server processes terminated; reinitializing
LOG:  could not remove shared memory segment "/PostgreSQL.1804289383": No
such file or directory
LOG:  semctl(786432, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(819201, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(851970, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(884739, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(917508, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(950277, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(983046, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  semctl(1015815, 0, IPC_RMID, ...) failed: Invalid argument
LOG:  database system was interrupted; last known up at 2015-07-17 09:18:10
CEST
LOG:  redo starts at 16/9F000028
LOG:  record with zero length at 16/9F000100
LOG:  redo done at 16/9F0000C8
LOG:  MultiXact member wraparound protections are now enabled
LOG:  database system is ready to accept connections
LOG:  autovacuum launcher started

Can anyone help me to identify and to resolve this inconvenience?

Thanks in advance.

Meph



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Melvin Davidson
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