On 20/10/2018 00:01, Graham Perrin wrote:

> kldunload radeonkms
>
> – results in a kernel panic.

Found, at 
<https://github.com/FreeBSDDesktop/kms-drm/issues/90#issuecomment-415859021> 
under 'drm-devel-kmod g20180822 screen freeze':

>> … normally you never unload the graphics driver so we haven't spent time on 
>> proper cleanup. Also, the drm module will cause panic if you try load load 
>> it again after unload.

----

Is the principle for -next- the same as for -devel-, should I simply _never_ 
attempt to unload the module?

$ date ; uname -v
Sat 20 Oct 2018 02:06:21 BST
FreeBSD 12.0-BETA1 r339438 GENERIC
$ pkg query '%o %v %R' drm-kmod drm-next-kmod gpu-firmware-kmod
graphics/drm-next-kmod 4.11.g20180822 poudriere
graphics/gpu-firmware-kmod g20180825 FreeBSD
$
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