FATAL: semctl(15073290, 4, SETVAL, 0) failed: Invalid argument

​Hello,

Today I found this message in my Postgres log:

FATAL: semctl(15073290, 4, SETVAL, 0) failed: Invalid argument
user=,db=,app=,host= LOG: server process (PID 30741) exited with exit code
1
user=,db=,app=,host= 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.

Postgres: PostgreSQL 9.6.3 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu
5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609, 64-bit

Linux: Linux INVST-APP-01A 4.4.0-62-generic #83-Ubuntu SMP Wed Jan 18
14:10:15 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

FATAL: semctl(15073290, 4, SETVAL, 0) failed: Invalid argument
user=,db=,app=,host= LOG: server process (PID 30741) exited with exit code
1
user=,db=,app=,host= 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.

Any suggestions to discovery about this behavior?

Thanks a lot.

Best regards

--
JotaComm
http://jotacomm.wordpress.com