Re: X11 not working on 11-STABLE with AMDGPU

Thanks for the heads up.

Are you sure this is still relevant in drm-next? I don't see any dmesg 
error about disabling GPU acceleration. I did what you suggested, but 
nothing seems to have changed except I get no text until radeonkms has 
loaded (I don't get garbage I get nothing at all). I still get dmesg 
errors regarding ring test failures and such, so turning the EFI 
framebuffer off doesn't appear to have actually changed anything.


On 8/2/18 8:13 AM, Greg V wrote:
> Hi everyone,
>
> Please keep in mind that both radeonkms and amdgpu from drm-*-kmod 
> currently conflict with the EFI framebuffer.
>
> https://github.com/FreeBSDDesktop/DEPRECATED-freebsd-base-graphics/issues/170 
>
>
> I currently have hw.syscons.disable=1 in boot/loader.conf to work 
> around that.
> That knob literally turns the EFI framebuffer off, so in between the 
> boot loader screen and the GPU driver loading, there will be garbage 
> on screen :) if the driver fails to load, you keep the garbage. If you 
> want to debug the driver with this workaround on (read dmesg, try 
> loading, etc.) you have to SSH into the box.
>
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