Magento nginx

nginx.conf

user http http;
worker_processes  auto;



events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  logs/access.log  main;
    error_log   logs/error.log  warn;

    sendfile           on;
    keepalive_timeout  120;


    server {
        listen 80;
        server_name www.wb.tld;
        root /srv/http/current/htdocs;

        location ^~ /includes/           { deny all; }
        location ^~ /lib/                { deny all; }
        location ^~ /media/downloadable/ { deny all; }
        location ^~ /pkginfo/            { deny all; }
        location ^~ /report/config.xml   { deny all; }
        location ^~ /var/                { deny all; }

        include php.conf;
    }

    server {
        listen 80;
        server_name www.sauna.gift; 
        root /srv/http/sauna.gift/shop/htdocs;
        include php.conf;
    }

    server {
        listen 80;
        server_name www.ethr.tld;
        root /srv/http/current/htdocs;
        include php.conf;
    }

    server {
        listen 80;
        server_name www.adminer.tld;
        root /srv/http/adminer;
        include php.conf;
    }


    server {
        listen 80;
        server_name www.mage2.tld;
        root /srv/http/mage2/shop/htdocs;
        include php.conf;
    }




}

php.conf

location / {
    index index.html index.php; ## Allow a static html file to be shown first
    try_files $uri $uri/ @handler; ## If missing pass the URI to Magento's front handler
    expires 30d; ## Assume all files are cachable
}

location @handler { 
    rewrite / /index.php;
}

location ~ \.php/ { 
    rewrite ^(.*\.php)/ $1 last;
}

location ~ \.php$ {
    fastcgi_pass   unix:/run/php-fpm/php-fpm.sock;
    fastcgi_index  index.php;
    include        fastcgi.conf;
    fastcgi_intercept_errors on;
    #include fastcgi_params;
    #fastcgi_pass backend-php;
    #fastcgi_split_path_info ^(.+\.php)(/.*)$;
    #fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    #fastcgi_param QUERY_STRING $query_string;
    #fastcgi_param PATH_INFO $fastcgi_script_name;
    #fastcgi_param  HTTPS off;
}

These are correct settings that prevent malfunctioning catalog catagory reload frenzy (reload in reload in reload of child of child you get the picture). Thing was the common front handler was missing in here.