dial tcp: i/o timeout
We strongly recommend the use of Blackfire repositories to install the Probe.
If you ever experience difficulties while installing or running the Probe with our repositories, you can install it manually by following the manual installation guide in the Probe installation section.
We strongly recommend the use of package repositories to install the Agent.
If you ever experience difficulties while installing or running the Agent with our repositories, you can install it manually by following the manual installation guide in the Agent installation section.
Blackfire is unable to automatically install and configure the Blackfire Probe when using cPanel. This is related to the way cPanel packages PHP extensions.
For this reason, installing Blackfire on cPanel is not supported.
Hosting configuration (aka. Hosters edition) is a special mode where you are allowed to profile any website hosted on your machine as soon as you are allowed to profile the agent environment. This allows end-users but also the Hoster to profile the websites in their own environments.
If you are not a hosted and get "A profile rejected", it usually means your blackfire credentials in PHP are not setup correctly but the ones in the agent configuration are.
To fix this, just remove the credentials (
from the PHP configuration: most of the time they are not required.
If you actually want to profile using the credentials configured for PHP, then you need to select the environment accordingly.
If you still believe this is bug, please contact our support.
dial tcp: i/o timeout¶
This error occurs when a timeout happens between the Agent and the Blackire.io server. If you encounter this issue, you can increase the timeout of the Agent by appending the following line to the Agent configuration: