[php-src] Issue #12559: ERROR: unable to read what child 15029 said into stderr: Bad file descriptor (9)

Issue: https://github.com/php/php-src/issues/12559 Author: njaciklum ### Description We recently upgraded our application, which is built using CodeIgniter 3, from PHP 8.0 to 8.2. However, we've been encountering persistent errors in our logs that didn't occur with PHP 8.0. The error message is as follows: ``` ERROR: unable to read what child 15029 said into stderr: Bad file descriptor (9) ``` <img width="1095" alt="Screenshot 2023-10-30 at 12 18 45 PM" src="https://github.com/php/php-src/assets/82313037/65c0a274-4a19-427a-86da-b667ddffb2a4"> We have attempted to address this issue by modifying the following configuration values in our PHP-FPM configuration, but with no success: - pm.max_children = 100 - pm.process_idle_timeout = 1800 - pm.max_requests = 400 - Increased max resources We have tried increasing our ECS instance size with no luck. Real-time PHP-FPM Status <img width="1335" alt="Screenshot 2023-10-30 at 12 15 58 PM" src="https://github.com/php/php-src/assets/82313037/aaf4f4af-abdd-48f0-9d35-4a478eb58c0c"> Any help in this regard would be greatly appreciated ### PHP Version PHP 8.2.x ### Operating System Debian 12