Hello, > There is no zombi nor defunct process. Now i have 3 stucked processes. When i try to pg_terminate_backend nothing happens: strace: semop(57802972, {{9, -1, 0}}, 1) = 0 semop(57802972, {{9, -1, 0}}, 1) = 0 select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) semop(57802972, {{9, -1, 0}}, 1) = 0 --- SIGTERM {si_signo=SIGTERM, si_code=SI_USER, si_pid=4431, si_uid=105} --- rt_sigreturn() = 139718030872480 select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) semop(57802972, {{9, -1, 0}}, 1) = 0 semop(57802972, {{9, -1, 0}}, 1) = 0 select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) Best Regards, Michal -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin