I have encountered a weird problem. I use nginx 0.6.35+php-fastcgi to serve pages. The performance was amazing for one month. And I did not change the configs before this issue appeared:
Today, I think while trying to change my admin theme to be garland instead of my default theme, first I got a 30 sec timeout (on /modules/view/handler.php as far as I remember). Then I went on trying various solutions to increase php process execution time, including increasing max_execution to 60 seconds in my /etc/php5/cgi/php.ini (in ubuntu 9.10 server). I did also add a similar command to my settings.php.
But (after restarting nginx and php-fastcgi) these handy solutions only changed the error message.
Now when I try to access my main page, I got a
One or more problems were detected with your Drupal installation. Check the status report for more information.
and when I click on "status report" or any of administrative pages in my admin panel, I get "504 gateway timeout" error . The site does not have any problem in rendering non-admin pages.
The server load is under 1.
I got stocked at dark behind the admin zone, so greatly appreciate your hints.