Maximum debug level

configname: CONFIG_NOUVEAU_DEBUG

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Maximum debug level
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Selects the maximum debug level to compile support for.

0 - fatal
1 - error
2 - warning
3 - info
4 - debug
5 - trace (recommended)
6 - paranoia
7 - spam

The paranoia and spam levels will add a lot of extra checks which
may potentially slow down driver operation.