我正在CI的localhost开发一个站点。
有时（经常）刷新页面时，它只是加载，加载而没有任何反应。
我正在使用：
nginx version: nginx/1.14.0 (Ubuntu)
PHP 7.1.32-1+ubuntu18.04.1+deb.sury.org+1 (FPM)
ubuntu 18.04 LTS
我已经检查了php慢日志，并在重新启动服务器时得到了此信息：
[16-Sep-2019 11:04:31] [pool www] pid 21699
script_filename = /var/www/example.lh/index.php
[0x00007fd8dac177c0] flock() /var/www/example.lh/system/libraries/Session/drivers/Session_files_driver.php:180
[0x00007fd8dac17370] read() /var/www/example.lh/system/libraries/Session/Session.php:143
[0x00007fd8dac17320] session_start() /var/www/example.lh/system/libraries/Session/Session.php:143
[0x00007fd8dac16b10] __construct() /var/www/example.lh/system/core/Loader.php:1285
[0x00007fd8dac16340] _ci_init_library() /var/www/example.lh/system/core/Loader.php:1178
[0x00007fd8dac15e00] _ci_load_stock_library() /var/www/example.lh/system/core/Loader.php:1043
[0x00007fd8dac15980] _ci_load_library() /var/www/example.lh/system/core/Loader.php:1089
[0x00007fd8dac15500] _ci_load_library() /var/www/example.lh/system/core/Loader.php:218
[0x00007fd8dac15360] library() /var/www/example.lh/system/core/Loader.php:202
[0x00007fd8dac151c0] library() /var/www/example.lh/system/core/Loader.php:1359
[0x00007fd8dac14dc0] _ci_autoloader() /var/www/example.lh/system/core/Loader.php:157
[0x00007fd8dac14d60] initialize() /var/www/example.lh/system/core/Controller.php:79
[0x00007fd8dac14ad0] __construct() /var/www/example.lh/system/core/CodeIgniter.php:518
什么原因导致这种停止？它仅在我的本地主机上发生。