# cat Xorg.*.log | grep '(EE)'
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    63.917] (EE) Failed to load module "nvidia" (module does not exist, 0)
[    63.964] (EE) No devices detected.
[    63.964] (EE) 
[    63.964] (EE) no screens found(EE) 
[    63.964] (EE) 
[    63.964] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[    63.964] (EE) 
[    64.037] (EE) Server terminated with error (1). Closing log file.
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   634.176] (EE) /dev/dri/card1: failed to set DRM interface version 1.4: Permission denied
[   634.176] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
[   634.181] (EE) Failed to load module "nvidia" (module does not exist, 0)
[   634.183] (EE) Screen 0 deleted because of no matching config section.
[   634.183] (EE) Screen 0 deleted because of no matching config section.
[   634.183] (EE) Device(s) detected, but none match those in the config file.
[   634.183] (EE) 
[   634.183] (EE) no screens found(EE) 
[   634.183] (EE) 
[   634.183] (EE) Please also check the log file at "/var/log/Xorg.1.log" for additional information.
[   634.183] (EE) 
[   634.199] (EE) Server terminated with error (1). Closing log file.