[CentOS] 3.11.5 kernel compile

Hey all,

 

I have just compiled the 3.11.5 kernel from kernel.org to fix the ACPI wont
shutdown issue, but I have a couple errors in dmesg I am trying to figure
out.

 

Can anyone point me in the right direction?

 

The errors are:

 

1:

dm_mod: module verification failed: signature and/or required key missing -
tainting kernel

 

2:

[drm] VGACON disable radeon kernel modesetting.

[drm:radeon_init] *ERROR* No UMS support in radeon module!