Debugging level (0-3)


Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>ATM drivers
└─>Debugging level (0-3)
In linux kernel since version 2.6.12  
Specifies the level of debugging messages issued by the driver.
The verbosity of the driver increases with the value of this

When active, these messages can have a significant impact on
the performances of the driver, and the size of your syslog files!
Keep the debugging level to 0 during normal operations.