내 Apache가 갑자기 이 로그와 함께 중지됩니다.
[Thu Feb 06 04:46:29.670924 2020] [mpm_prefork:emerg] [pid 5296] (43)Identifier removed: AH00144: couldn't grab the accept mutex
[Thu Feb 06 04:46:29.675338 2020] [mpm_prefork:emerg] [pid 6530] (43)Identifier removed: AH00144: couldn't grab the accept mutex
[Thu Feb 06 04:46:30.283579 2020] [core:alert] [pid 5291] AH00050: Child 5294 returned a Fatal error... Apache is exiting!
[Thu Feb 06 04:46:30.283630 2020] [:emerg] [pid 5291] AH02818: MPM run failed, exiting
이 명령으로 Apache를 시작했는데 systemctl apache start한동안 작동하다가 몇 시간 후에 갑자기 멈췄습니다.
제 서버는 그냥 개발서버라 접속자가 많지 않습니다.
뭐가 잘못 되었 니?
Server version: Apache/2.4.29 (Ubuntu)
Server built: 2019-09-16T12:58:48
Server's Module Magic Number: 20120211:68
Server loaded: APR 1.6.3, APR-UTIL 1.6.1
Compiled using: APR 1.6.3, APR-UTIL 1.6.1
Architecture: 64-bit
Server MPM: prefork
threaded: no
forked: yes (variable process count)
Server compiled with....
-D APR_HAS_SENDFILE
-D APR_HAS_MMAP
-D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
-D APR_USE_SYSVSEM_SERIALIZE
-D APR_USE_PTHREAD_SERIALIZE
-D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
-D APR_HAS_OTHER_CHILD
-D AP_HAVE_RELIABLE_PIPED_LOGS
-D DYNAMIC_MODULE_LIMIT=256
-D HTTPD_ROOT="/etc/apache2"
-D SUEXEC_BIN="/usr/lib/apache2/suexec"
-D DEFAULT_PIDLOG="/var/run/apache2.pid"
-D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
-D DEFAULT_ERRORLOG="logs/error_log"
-D AP_TYPES_CONFIG_FILE="mime.types"
-D SERVER_CONFIG_FILE="apache2.conf"