fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver

Ubuntu 14.04 AMD64
Core i3-2100
GA-H61M-DS2
我移除了一直崩溃的HIS 6670 iSilence 5 1GB
但是我发现了这个

$ dmesg | grep EFI
efi: EFI v2.31 by American Megatrends
fb0: EFI VGA frame buffer device
EFI Variables Facility v0.08 2004-May-17
fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver

启动Ubuntu 14.04 AMD64 Live USB也有同样问题

debian 8.6.0 amd64無此問題

cuthead@debian:~$ dmesg | grep EFI
[ 0.000000] efi: EFI v2.31 by American Megatrends
[ 0.465881] fb0: EFI VGA frame buffer device
[ 1.520500] EFI Variables Facility v0.08 2004-May-17
[ 1.542687] fb: switching to inteldrmfb from EFI VGA
cuthead@debian:~$

Debian 8.6.0无此问题

cuthead@debian:~$ dmesg | grep EFI
[    0.000000] efi: EFI v2.31 by American Megatrends
[    0.466139] fb0: EFI VGA frame buffer device
[    1.554427] EFI Variables Facility v0.08 2004-May-17
[    1.569786] fb: switching to inteldrmfb from EFI VGA
cuthead@debian:~$