php-fpm runs into futex_wait. futex(0x2b01a4d57088, FUTEX_WAIT, 2, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x2b01a4d57088, FUTEX_WAKE, 1) = 0 What is php-fpm trying to lock to..? Sometimes it goes into FUTEX_WAIT and never recovers 27321 19:54:17.275637 futex(0x2b7adf7dd088, FUTEX_WAIT, 2, NULL <unfinished ...> 27433 19:54:19.427321 open("/etc/group&qby jabutee - Php-fpm Mailing List - English