Hello, > On 16 Mar 2016, at 14:55, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > > On 03/15/2016 08:10 AM, Matthias Schmitt wrote: >> Hello, >> >> since two weeks I am trying to get PostgreSQL 9.5.1 to run on Debian 8.3. Everything is fine except the daily backup. When calling pg_dump as part of a cron job pg_dump crashes: >> >> 2016-03-15 01:00:02 CETFATAL: semctl(23232524, 3, SETVAL, 0) failed: Invalid argument >> 2016-03-15 01:00:02 CETLOG: server process (PID 22279) exited with exit code 1 >> 2016-03-15 01:00:02 CETLOG: terminating any other active server processes >> 2016-03-15 01:00:02 CETWARNING: terminating connection because of crash of another server process >> 2016-03-15 01:00:02 CETDETAIL: 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. >> 2016-03-15 01:00:02 CETHINT: In a moment you should be able to reconnect to the database and repeat your command. >> 2016-03-15 01:00:02 CETLOG: all server processes terminated; reinitializing >> 2016-03-15 01:00:02 CETLOG: could not remove shared memory segment "/PostgreSQL.1804289383": No such file or directory >> 2016-03-15 01:00:02 CETLOG: semctl(22839296, 0, IPC_RMID, ...) failed: Invalid argument >> 2016-03-15 01:00:02 CETLOG: semctl(22872065, 0, IPC_RMID, ...) failed: Invalid argument >> 2016-03-15 01:00:02 CETLOG: semctl(22904834, 0, IPC_RMID, ...) failed: Invalid argument >> … >> >> I am calling pg_dump in my cronjob like this: >> su - mmppostgres -c "/Users/…/bin/pg_dump -p 5433 mydatabase_1_0_0 > /my_backup_path/mydatabase_1_0_0.dump" >> >> After the crash the database runs in recovery mode. A restart of the database brings everything back to normal. >> This crash is always reproducible and occurs every night during backup. When calling the same command via the command line everything run fine. In the system log I can see: >> > > Is the command you run via the command line exactly the same, including the su -? Yes. > What user are you running the cronjob as? root > How do you supply the password for the mmppostgres user? I configured in pg_hba.conf: local all mmppostgres trust All local connections from this user are trusted. Best regards Matthias Schmitt magic moving pixel s.a. 23, Avenue Grande-Duchesse Charlotte L-3441 Dudelange Luxembourg Phone: +352 54 75 75 http://www.mmp.lu -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
