On Tue, Mar 15, 2016 at 4:10 PM, Matthias Schmitt <matthias.schm...@mmp.lu> wrote: > 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 > [...] > 4th possible solution: I have read here: > https://lists.freedesktop.org/archives/systemd-devel/2014-April/018373.html > that logging into the postgres user in and out might delete semaphore memory, > but I cannot reproduce this.
That's scary, and an entrance for many crashes... Perhaps there are some underlying calls of ipcrm? > Interesting enough I have another PostgreSQL version running perfectly under > Debian 8.3 on a different machine. This is a PostgreSQL 9.4.1. It uses the > same backup mechanism. I hate to consider a downgrade as a possible solution. > May be an info, which might be useful: my machine has 64 GB RAM. > > Any ideas where to continue my search? Hm, and both of them are managed with systemd? Are there differences in each one's spec file, I find rather bad the fact that there is something removing the semaphores at OS level all-of-a-sudden. -- Michael -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
