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Почем php-fpm не работает ни через сокеты, ни через tcp?

Настраиваю веб-сервер на виртуальной машине virtualbox. Ubuntu server 14.10 + kubuntu desktop + php5-fpm + nginx.
Nginx отдает 502ю ошибку на *.php файлах.
Через сокеты:
*1 connect() to unix:/var/run/php5-fpm/test.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: test.dev, request: "GET /app_dev.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm/test.sock:", host: "test.dev"

Собственно, файл test.sock не создается. Папка создана, права 777, владельцев пробовал любых (root, www-data, user).

Через TCP:
*7 connect() failed (111: Connection refused) while connecting to upstream, client: 127.0.0.1, server: test.dev, request: "GET /app_dev.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:7777", host: "test.dev"

Php-fpm не хочет слушать нужный порт. Пробовал 8080, 7777, 7701, 7711, 9000. Iptables не стоит, телнет нужного порта пишет "connection refused", в netstat -nap | grep 8080, lsof -i :8080, lsof -i :8080 и netstat -nltp пусто.

/etc/nginx/nginx.conf:
spoiler

user ivan ivan;

worker_processes 1;
worker_rlimit_nofile 8192;
worker_priority -5;

pid /run/nginx.pid;

timer_resolution 100ms;

events {
    worker_connections 768;
    use epoll;
    # multi_accept on;
}

http {
    ##
    # Basic Settings
    ##

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    server_tokens off;

    # server_names_hash_bucket_size 64;
    # server_name_in_redirect off;

    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    charset utf-8;

    ##
    # Logging Settings
    ##

    access_log /var/log/nginx/access.log;
    error_log /var/log/nginx/error.log;

    ##
    # Gzip Settings
    ##

    gzip on;
    gzip_disable "msie6";

    # gzip_vary on;
    # gzip_proxied any;
    # gzip_comp_level 6;
    # gzip_buffers 16 8k;
    # gzip_http_version 1.1;
    # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

    ##
    # nginx-naxsi config
    ##
    # Uncomment it if you installed nginx-naxsi
    ##

    #include /etc/nginx/naxsi_core.rules;

    ##
    # nginx-passenger config
    ##
    # Uncomment it if you installed nginx-passenger
    ##
    
    #passenger_root /usr;
    #passenger_ruby /usr/bin/ruby;

    ##
    # Virtual Host Configs
    ##
    
    server {
        listen 80 default_server;
        server_name 127.0.0.1;
        #access_log off;
        log_not_found off;
        return 403;
    }
    

    include /etc/nginx/conf.d/*.conf;
    include /etc/nginx/sites/*;
}

#mail {
#    # See sample authentication script at:
#    # http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
# 
#    # auth_http localhost/auth.php;
#    # pop3_capabilities "TOP" "USER";
#    # imap_capabilities "IMAP4rev1" "UIDPLUS";
# 
#    server {
#        listen     localhost:110;
#        protocol   pop3;
#        proxy      on;
#    }
# 
#    server {
#        listen     localhost:143;
#        protocol   imap;
#        proxy      on;
#    }
#}


/etc/nginx/sites/test.conf:
spoiler

server {
    listen 80;
    
    server_name test.dev;
    root /home/ivan/sites/test/web;
    
    location / {
        # try to serve file directly, fallback to app_prod.php
        try_files $uri /app_prod.php$args;
    }
    
    # DEV
    # This rule should only be placed on your development environment
    # In production, don't include this and don't deploy app_dev.php or config.php
    location ~ ^/(app_dev|app_test|config|_intellij_phpdebug_validator)\.php(/|$) {
        fastcgi_pass unix:/var/run/php5-fpm/test.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        fastcgi_read_timeout 100m;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
    }
    
    # PROD
    location ~ ^/app_prod\.php(/|$) {
        fastcgi_pass unix:/var/run/php5-fpm/test.sock;
        fastcgi_split_path_info ^(.+\.php)(/.*)$;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param HTTPS off;
        # Prevents URIs that include the front controller. This will 404:
        # http://test.dev/app_prod.php/some-path
        # Remove the internal directive to allow URIs like this
        internal;
    }
    
    location ~* \.(?:jp?g|gif|png|ico|svg|css|js|swf|zip|tar|tgz|gz|rar|bz2|doc|docx|xls|xlsx|ppt|pptx|exe|msi|txt|mp3|mp4|mkv|mpg|mov|fla|eot|otf|ttf|woff)$ {
        expires max;
        access_log off;
        log_not_found on;
        try_files $uri =404;
    }
    
    error_log /home/ivan/sites/test/app/logs/nginx_error.log;
    access_log /home/ivan/sites/test/app/logs/nginx_access.log;
}


Почему так происходит? Почему php-fpm не создает файл и не хочет слушать порт?

UPD: Снес всю систему, поставил ubuntu-server и xubuntu с нуля, установил nginx+php-fpm и запустил их со стандартными конфигами — на /var/www/html/index.php 502-я ошибка, php-fpm не создает .sock-файл.

UPD 2: В таск-менеджере ситуация следующая: все процессы php5-fpm (php5-fpm-checkconf, php5-fpm --fpm-config /etc/php5/fpm/php-fpm.conf -t, php5-fpm --nodaemonize --fpm-config /etc/php5/fpm/php-fpm.conf) хаотично перезапускаются (каждый процесс живет не больше секунды, запускается и сразу же умирает), всего их штук 5-7.
В чем может быть проблема? Почему процессы сразу же умирают и ничего не пишут в логи? В логах кстати появилось пару ошибок после того как выставил log_level = debug, но они все никак не связаны с проблемой и пропали после фиксов.

UPD 3: Проблема решена установкой php5-fpm другой версии из другого репозитория.
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Решения вопроса 1
0neS
@0neS Автор вопроса
Конфиги php-fpm не вместились в максимальный размер вопроса, выкладываю сюда.

/etc/php5/fpm/php-fpm.conf:
spoiler
;;;;;;;;;;;;;;;;;;;;;
; FPM Configuration ;
;;;;;;;;;;;;;;;;;;;;;

; All relative paths in this configuration file are relative to PHP's install
; prefix (/usr). This prefix can be dynamically changed by using the
; '-p' argument from the command line.

; Include one or more files. If glob(3) exists, it is used to include a bunch of
; files from a glob(3) pattern. This directive can be used everywhere in the
; file.
; Relative path can also be used. They will be prefixed by:
;  - the global prefix if it's been set (-p argument)
;  - /usr otherwise
;include=/etc/php5/fpm/*.conf

;;;;;;;;;;;;;;;;;;
; Global Options ;
;;;;;;;;;;;;;;;;;;

[global]
; Pid file
; Note: the default prefix is /var
; Default Value: none
pid = /run/php5-fpm.pid

; Error log file
; If it's set to "syslog", log is sent to syslogd instead of being written
; in a local file.
; Note: the default prefix is /var
; Default Value: log/php-fpm.log
error_log = log/php/php5-fpm.log

; syslog_facility is used to specify what type of program is logging the
; message. This lets syslogd specify that messages from different facilities
; will be handled differently.
; See syslog(3) for possible values (ex daemon equiv LOG_DAEMON)
; Default Value: daemon
;syslog.facility = daemon

; syslog_ident is prepended to every message. If you have multiple FPM
; instances running on the same server, you can change the default value
; which must suit common needs.
; Default Value: php-fpm
;syslog.ident = php-fpm

; Log level
; Possible Values: alert, error, warning, notice, debug
; Default Value: notice
log_level = debug

; If this number of child processes exit with SIGSEGV or SIGBUS within the time
; interval set by emergency_restart_interval then FPM will restart. A value
; of '0' means 'Off'.
; Default Value: 0
emergency_restart_threshold = 10

; Interval of time used by emergency_restart_interval to determine when 
; a graceful restart will be initiated.  This can be useful to work around
; accidental corruptions in an accelerator's shared memory.
; Available Units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
emergency_restart_interval = 1m

; Time limit for child processes to wait for a reaction on signals from master.
; Available units: s(econds), m(inutes), h(ours), or d(ays)
; Default Unit: seconds
; Default Value: 0
process_control_timeout = 10s

; The maximum number of processes FPM will fork. This has been design to control
; the global number of processes when using dynamic PM within a lot of pools.
; Use it with caution.
; Note: A value of 0 indicates no limit
; Default Value: 0
process.max = 128

; Specify the nice(2) priority to apply to the master process (only if set)
; The value can vary from -19 (highest priority) to 20 (lower priority)
; Note: - It will only work if the FPM master process is launched as root
;       - The pool process will inherit the master process priority
;         unless it specified otherwise
; Default Value: no set
; process.priority = -19

; Send FPM to background. Set to 'no' to keep FPM in foreground for debugging.
; Default Value: yes
daemonize = no
 
; Set open file descriptor rlimit for the master process.
; Default Value: system defined value
;rlimit_files = 1024
 
; Set max core size rlimit for the master process.
; Possible Values: 'unlimited' or an integer greater or equal to 0
; Default Value: system defined value
;rlimit_core = 0

; Specify the event mechanism FPM will use. The following is available:
; - select     (any POSIX os)
; - poll       (any POSIX os)
; - epoll      (linux >= 2.5.44)
; - kqueue     (FreeBSD >= 4.1, OpenBSD >= 2.9, NetBSD >= 2.0)
; - /dev/poll  (Solaris >= 7)
; - port       (Solaris >= 10)
; Default Value: not set (auto detection)
events.mechanism = epoll

; When FPM is build with systemd integration, specify the interval,
; in second, between health report notification to systemd.
; Set to 0 to disable.
; Available Units: s(econds), m(inutes), h(ours)
; Default Unit: seconds
; Default value: 10
;systemd_interval = 10

;;;;;;;;;;;;;;;;;;;;
; Pool Definitions ; 
;;;;;;;;;;;;;;;;;;;;

; Multiple pools of child processes may be started with different listening
; ports and different management options.  The name of the pool will be
; used in logs and stats. There is no limitation on the number of pools which
; FPM can handle. Your system will tell you anyway :)

; To configure the pools it is recommended to have one .conf file per
; pool in the following directory:
include=/etc/php5/fpm/pool.d/*.conf

/etc/php5/fpm/pool.d/test.conf:
spoiler
[test]

include = /etc/php5/fpm/pool.d/common.conf

listen = /var/run/php5-fpm/test.sock

error_log = /home/ivan/sites/test/app/logs/php-fpm-error.log
slowlog = /home/ivan/sites/test/app/logs/php-fpm-slow.log
php_admin_value[error_log] = /home/ivan/sites/test/app/logs/php-fpm-error.log
php_admin_value[open_basedir] = /home/ivan/sites/test/
php_admin_value[upload_tmp_dir] = /home/ivan/sites/test/app/tmp
php_admin_value[session.save_path] = /home/ivan/sites/test/app/sessions

env[TMP] = /home/ivan/sites/test/app/tmp
env[TMPDIR] = /home/ivan/sites/test/app/tmp
env[TEMP] = /home/ivan/sites/test/app/tmp

/etc/php5/fpm/pool.d/common.conf:
spoiler
user = ivan
group = ivan

listen.backlog = 128
listen.allowed_clients = 127.0.0.1
listen.mode = 0777
listen.owner = ivan
listen.group = ivan

pm = dynamic
pm.max_children = 50
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 5
pm.max_requests = 100
;pm.status_path = /fpm-status
;ping.path = /ping
;ping.response = pong
request_terminate_timeout = 30s
request_slowlog_timeout = 5s
rlimit_files = 4096
rlimit_core = 0
;chroot = 
;chdir = /
catch_workers_output = yes
security.limit_extensions = .php


P.S. Проблема решена установкой php5-fpm другой версии из другого репозитория.
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Ответы на вопрос 2
totalcount
@totalcount
Ну как же, Иван :)
Писал давно статью о настройке NGINX + PHP-FPM.
1/ Почему nginx работает НЕ от www-data?
2/ Конфиг php-fpm
[test]
listen = /var/run/test.sock
listen.mode = 0666
user = test
group = test
chdir = /var/www/test
php_admin_value[upload_tmp_dir] = /var/www/test/tmp
php_admin_value[date.timezone] = Europe/Moscow
pm = dynamic
pm.max_children = 10
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 4

3/ Конфиг nginx
upstream backend-test {server unix:/var/run/test.sock;}
server {
	listen 80;
	server_name test.ru;
	root /var/www/test;
	access_log /var/log/nginx/test-access.log;
	error_log /var/log/nginx/test-error.log;
	index index.php;
	rewrite_log on;
	location / {
		try_files $uri $uri/ @rewrite;
	}
	location @rewrite {
		rewrite ^/(.*)$ /index.php?q=$1;
	}
	location ~ \.php$ {
		include fastcgi_params;
		fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
		fastcgi_pass backend-test;
	}
	location ~* ^.+\.(jpg|jpeg|gif|css|png|js|ico|bmp)$ {
		access_log off;
		expires 10d;
		break;
	}
	location ~ /\.ht {
		deny all;
	}
}

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@Nc_Soft
где listen = 127.0.0.1:9000 ?
listen.mode = 0666 стоит попробовать
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