This was solved. The problem was related with New Relic module. 2 weeks to find the problem. :(by hawkins - Nginx Mailing List - English
Hi guys, I'm getting a lot of errors on logs right now and we've already tried everything to solve the problem without success. Everything was running just fine until last week. We use nginx and php-fpm. nginx version: nginx/1.2.0 The errors that we getting are from random pages and random domains this is not specific. Here is some errors from the logs: 26002#0: *8882 readv() faiby hawkins - Nginx Mailing List - English