Userspace is not a problem here, many distributions have GL
implementation switch tools already.
I have users reporting that 6.14.4 suffers from the problem reported here.
Basically, radeon.ko is loaded by X with KMS enabled, (CONFIG_DRM_RADEON_KMS=n
but modprobe.d/ contains "options radeon
This is becoming a problem for many people and distros now that KMS is
mandatory.
On Linux, if CONFIG_DRM_RADEON_KMS is not enabled, X loads (through the DRI
interface I suppose) radeon.ko correctly but X initialization fails as pointed
out 3 years ago by Brice Goglin.
Otoh, forcing
