php-fpm service unavailable

Leons

Sites are not working for a long time.

I could not find a record in the logs of why this situation occurred.

/www/server/php/74/var/log/php-fpm.log ;

[27-May-2023 14:21:14] NOTICE: about to trace 18117
[27-May-2023 14:21:14] NOTICE: finished trace of 18117
[27-May-2023 14:21:14] NOTICE: child 18114 stopped for tracing
[27-May-2023 14:21:14] NOTICE: about to trace 18114
[27-May-2023 14:21:14] NOTICE: finished trace of 18114
[27-May-2023 14:21:24] WARNING: [pool www] child 18118, script '/www/wwwroot/xxxxxx.com/current/public_html/index.php' (request: "GET /index.php?as")ex$
[27-May-2023 14:21:24] NOTICE: child 18118 stopped for tracing
[27-May-2023 14:21:24] NOTICE: about to trace 18118
[27-May-2023 14:21:24] NOTICE: finished trace of 18118
[27-May-2023 14:21:34] WARNING: [pool www] child 18129, script '/www/wwwroot/xxxxxx.com/current/public_html/index.php' (request: "GET /index.php?as") ex$
[27-May-2023 14:21:34] NOTICE: child 18129 stopped for tracing
[27-May-2023 14:21:34] NOTICE: about to trace 18129
[27-May-2023 14:21:34] NOTICE: finished trace of 18129
[27-May-2023 16:00:34] WARNING: [pool www] child 23510, script '/www/wwwroot/xxxxxx.com/current/public_html/index.php' (request: "GET /index.php?as") executing too slow (33.066899 sec),$
[27-May-2023 16:00:34] NOTICE: child 23510 stopped for tracing
[27-May-2023 16:00:34] NOTICE: about to trace 23510
[27-May-2023 16:00:34] NOTICE: finished trace of 23510
[27-May-2023 20:00:36] WARNING: [pool www] child 4881, script '/www/wwwroot/xxxxxx.com/current/public_html/index.php' (request: "GET /index.php?as") executing too slow (34.404365 sec), $
[27-May-2023 20:00:36] NOTICE: child 4881 stopped for tracing
[27-May-2023 20:00:36] NOTICE: about to trace 4881
[27-May-2023 20:00:36] NOTICE: finished trace of 4881
[29-May-2023 09:55:11] NOTICE: Finishing ...

/www/wwwlogs/xxxxxxxx.com-error_log ;

[Mon May 29 00:01:01.686423 2023] [ssl:warn] [pid 2160:tid 139700130936704] AH01909: SSL.xxxxxxx.com:443:0 server certificate does NOT include an ID which matches the server name
[Mon May 29 00:10:51.712207 2023] [proxy:error] [pid 31985:tid 139699440051968] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:51.712366 2023] [proxy_fcgi:error] [pid 31985:tid 139699440051968] [client 43.159.54.27:53543] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:52.887851 2023] [proxy:error] [pid 31985:tid 139699423266560] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:52.887930 2023] [proxy_fcgi:error] [pid 31985:tid 139699423266560] [client 43.159.54.27:53757] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:54.058123 2023] [proxy:error] [pid 31986:tid 139699356124928] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:54.058264 2023] [proxy_fcgi:error] [pid 31986:tid 139699356124928] [client 43.159.54.27:53967] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:55.192993 2023] [proxy:error] [pid 32154:tid 139699431659264] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:55.193122 2023] [proxy_fcgi:error] [pid 32154:tid 139699431659264] [client 43.159.54.27:54183] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:56.361772 2023] [proxy:error] [pid 32154:tid 139699414873856] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:56.361854 2023] [proxy_fcgi:error] [pid 32154:tid 139699414873856] [client 43.159.54.27:54372] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:57.566650 2023] [proxy:error] [pid 31984:tid 139699535365888] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:57.566788 2023] [proxy_fcgi:error] [pid 31984:tid 139699535365888] [client 43.159.54.27:54605] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:58.747909 2023] [proxy:error] [pid 31985:tid 139699406481152] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:58.747992 2023] [proxy_fcgi:error] [pid 31985:tid 139699406481152] [client 43.159.54.27:54814] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:10:59.886483 2023] [proxy:error] [pid 31985:tid 139699389695744] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:10:59.886582 2023] [proxy_fcgi:error] [pid 31985:tid 139699389695744] [client 43.159.54.27:55024] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:01.024478 2023] [proxy:error] [pid 31986:tid 139699339339520] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:01.024559 2023] [proxy_fcgi:error] [pid 31986:tid 139699339339520] [client 43.159.54.27:55239] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:02.149499 2023] [proxy:error] [pid 31986:tid 139699322554112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:02.149576 2023] [proxy_fcgi:error] [pid 31986:tid 139699322554112] [client 43.159.54.27:55448] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:03.276818 2023] [proxy:error] [pid 32154:tid 139699398088448] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:03.276889 2023] [proxy_fcgi:error] [pid 32154:tid 139699398088448] [client 43.159.54.27:55632] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:04.421811 2023] [proxy:error] [pid 32154:tid 139699381303040] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:04.421893 2023] [proxy_fcgi:error] [pid 32154:tid 139699381303040] [client 43.159.54.27:55848] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:05.636441 2023] [proxy:error] [pid 31984:tid 139699526973184] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:05.636538 2023] [proxy_fcgi:error] [pid 31984:tid 139699526973184] [client 43.159.54.27:56057] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:06.772213 2023] [proxy:error] [pid 32154:tid 139699364517632] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:06.772289 2023] [proxy_fcgi:error] [pid 32154:tid 139699364517632] [client 43.159.54.27:56292] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:07.933861 2023] [proxy:error] [pid 31986:tid 139699305768704] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:07.933931 2023] [proxy_fcgi:error] [pid 31986:tid 139699305768704] [client 43.159.54.27:56471] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:09.104497 2023] [proxy:error] [pid 32154:tid 139699347732224] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:09.104568 2023] [proxy_fcgi:error] [pid 32154:tid 139699347732224] [client 43.159.54.27:56672] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:10.260079 2023] [proxy:error] [pid 32154:tid 139699330946816] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:10.260162 2023] [proxy_fcgi:error] [pid 32154:tid 139699330946816] [client 43.159.54.27:56870] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:11.427222 2023] [proxy:error] [pid 32154:tid 139699314161408] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:11.427312 2023] [proxy_fcgi:error] [pid 32154:tid 139699314161408] [client 43.159.54.27:57096] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:12.543561 2023] [proxy:error] [pid 31985:tid 139699372910336] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:12.543638 2023] [proxy_fcgi:error] [pid 31985:tid 139699372910336] [client 43.159.54.27:57306] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:11:20.625283 2023] [proxy:error] [pid 31984:tid 139699431659264] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:11:20.625363 2023] [proxy_fcgi:error] [pid 31984:tid 139699431659264] [client 43.156.230.253:49863] AH01079: failed to make connection to backend: httpd-UDS, referer: binance.com
[Mon May 29 00:13:02.933062 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:02.933138 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 151.135.1.165:57282] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:04.856407 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:04.856498 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 151.135.1.165:57282] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:05.328440 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:05.328490 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 151.135.1.165:57282] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:12.697132 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:12.697203 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9555] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:13.955196 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:13.955259 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9555] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:15.953448 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:15.953525 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9555] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:20.099853 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:20.099925 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9555] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:20.645703 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (:80) failed
[Mon May 29 00:13:20.645788 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9555] AH01079: failed to make connection to backend: httpd-UDS
[Mon May 29 00:13:32.263627 2023] [proxy:error] [pid 32154:tid 139699585722112] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /tmp/php-cgi-74.sock (*:80) failed
[Mon May 29 00:13:32.263700 2023] [proxy_fcgi:error] [pid 32154:tid 139699585722112] [client 176.240.156.112:9682] AH01079: failed to make connection to backend: httpd-UDS

aaPanel_Kern

The log shows unable to connect to php7.4 suggest to check if php7.4 is running? Try restarting php7.4

Leons

Yes, when I restart the problem goes away. websites were down for more than 1 day. How can I find out why this is happening? What can I do so it doesn't happen again?

aaPanel_Kern

Leons
Hello, it is recommended to check whether it is closed by the system, and check whether redis restricts the use of memory?
dmesg|grep -E "kill|php|oom"

aaPanel_Kern

Leons
Hello, it is recommended to check whether it is closed by the system, and check whether redis restricts the use of memory?
dmesg|grep -E "kill|php|oom"

Leons

command gave the following output.

[ 1.616956] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 2.084373] acpiphp: Slot [32] registered
[ 2.084465] acpiphp: Slot [33] registered
[ 2.084543] acpiphp: Slot [34] registered
[ 2.084634] acpiphp: Slot [35] registered
[ 2.084694] acpiphp: Slot [36] registered
[ 2.084767] acpiphp: Slot [37] registered
[ 2.084837] acpiphp: Slot [38] registered
[ 2.084915] acpiphp: Slot [39] registered
[ 2.085006] acpiphp: Slot [40] registered
[ 2.085085] acpiphp: Slot [41] registered
[ 2.085164] acpiphp: Slot [42] registered
[ 2.085237] acpiphp: Slot [43] registered
[ 2.085305] acpiphp: Slot [44] registered
[ 2.085382] acpiphp: Slot [45] registered
[ 2.085465] acpiphp: Slot [46] registered
[ 2.085561] acpiphp: Slot [47] registered
[ 2.085649] acpiphp: Slot [48] registered
[ 2.085717] acpiphp: Slot [49] registered
[ 2.085796] acpiphp: Slot [50] registered
[ 2.085873] acpiphp: Slot [51] registered
[ 2.085942] acpiphp: Slot [52] registered
[ 2.086027] acpiphp: Slot [53] registered
[ 2.086102] acpiphp: Slot [54] registered
[ 2.086169] acpiphp: Slot [55] registered
[ 2.086247] acpiphp: Slot [56] registered
[ 2.086325] acpiphp: Slot [57] registered
[ 2.086396] acpiphp: Slot [58] registered
[ 2.086473] acpiphp: Slot [59] registered
[ 2.086560] acpiphp: Slot [60] registered
[ 2.086654] acpiphp: Slot [61] registered
[ 2.086745] acpiphp: Slot [62] registered
[ 2.086818] acpiphp: Slot [63] registered
[2936425.777807] php-fpm[18900]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[6617692.942616] php-fpm[7139]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[6617722.131855] php-fpm[7174]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[12063215.518887] php-fpm[9356]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]

aaPanel_Kern

Leons [2936425.777807] php-fpm[18900]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[6617692.942616] php-fpm[7139]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[6617722.131855] php-fpm[7174]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]
[12063215.518887] php-fpm[9356]: segfault at 7ffff671afe8 ip 00000000008b81cf sp 00007ffff671aff0 error 6 in php-fpm[400000+879000]

This error indicates that the PHP-FPM process encountered a segmentation fault during execution, causing the process to crash. Typically, this is caused by issues such as memory access errors, pointer errors, buffer overflows, etc.

Leons

Thank you. So is there a solution for this situation? What can I do?

aaPanel_Kern

Check if the server memory is sufficient