Fastcgi time-out ? - error 500 when accessing randomly

On very random occasions i find myself having panel or website load incorrectly (not completely) or not at all giving error 500 messages. From my research it seemed like a problem with fastcgi having time-out? but i am not sure what causes the problem as well as how to fix it.

[Fri Mar 04 22:04:47 2016] [error] [client xx.xx.xx.xx] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/

For me this rather looks like the PHP FastCGI handler exits with an error. Is there anything in your PHP error log? Also, which hosting provider do you use?

No PHP Errors.

Put the Fastcgi Timeout on 30 Seconds and for now everything seems to look good. At least for now. Will report back…

Error sounds familiar: I’ve ran into it on slow servers and mostly it’s PHP running out of execution time. This can happen when sorting many images for instance.

this error has come up when logging into panel, accessing parts of the site etc… it’s not like i had hundreds of subpages or pictures. Pretty much just the standard.

While I’ve tried several test-configuration servers, I didn’t encounter the error on any other… However as stated before the error hasn’t come up for a day or two. Maybe it has been fixed with fastcgi timeout or provider fixed it silently. Will report back.

Just had it again…

[Mon Mar 07 12:38:51 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed
[Mon Mar 07 12:38:51 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server..."
[Mon Mar 07 12:38:56 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/login
[Mon Mar 07 12:38:56 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/login
[Mon Mar 07 12:39:10 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:39:10 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:39:10 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:39:10 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:31 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:31 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:32 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:32 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:33 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:33 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:33 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:33 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:34 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:34 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:35 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:35 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:35 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:35 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:39 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:39 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:39 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/
[Mon Mar 07 12:40:39 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/
[Mon Mar 07 12:40:40 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/preise/edit
[Mon Mar 07 12:40:40 2016] [error] [client 213.202.41.247] Handler for fastcgi-script returned invalid result code 1, referer: http://.../panel/pages/preise/edit
[Mon Mar 07 12:43:43 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:43:43 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:43:45 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:43:45 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:44:50 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:44:50 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/feed/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/feed/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/feed/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/feed/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] (104)Connection reset by peer: FastCGI: comm with server "/home/www/user/php5-fcgi-*-80-...server..." aborted: read failed, referer: http://.../panel/pages/blog/feed/edit
[Mon Mar 07 12:44:51 2016] [error] [client 213.202.41.247] FastCGI: incomplete headers (0 bytes) received from server "/home/www/user/php5-fcgi-*-80-...server...", referer: http://.../panel/pages/blog/feed/edit