[Bug 293362] graphics/nvidia-drm-kmod: No devices on 15.0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293362

--- Comment #14 from Tomoaki AOKI <[email protected]> ---
(In reply to Martin Cracauer from comment #12)
Looking your hard volunteer works at forums, I think it's unlikely, though,
but are you sure you restarted the system after upgrading?

IIRC, at least kmods from graphics/drm-*-kmod ports required by corresponding
graphics/nvidia-drm-*-kmod{-devel} crashes on unloading except on sane shutdown
process.
So restarting would be mandatory here, as graphics/nvidia-drm-*-kmod{-devel}
borrows parts of codes from graphics/drm-*-kmod.

And more to confirm.
does kldstat sanely shows all 3 kmods (plus ones from graphics/drm-*-kmod)?
Examples on my system (-devel variants, though) including pulled in related
ones
(possibly including noise):

Id Refs Address                Size Name
 1  203 0xffffffff80200000  2350ed0 kernel

     (snip)

32    2 0xffffffff84ece000   1462f8 nvidia-modeset.ko
33    2 0xffffffff85200000  5c1fc60 nvidia.ko
34    2 0xffffffff85015000    31240 linux.ko
35    2 0xffffffff85047000     6d98 mqueuefs.ko
36    6 0xffffffff8504e000     cdc8 linux_common.ko
37    1 0xffffffff8505b000    14a88 nvidia-drm.ko
38    1 0xffffffff85070000    8b190 drm.ko
39    1 0xffffffff850fc000     22b8 iic.ko
40    1 0xffffffff850ff000     4120 linuxkpi_video.ko
41    2 0xffffffff85104000     7360 dmabuf.ko
42    1 0xffffffff8510c000     3378 lindebugfs.ko
43    1 0xffffffff85110000    2d300 linux64.ko

     (snip to the end)

If all the above are working fine, there should be /dev/dri/ containing
card0 (symlink to ../drm/0)
renderD128 (symlink to ../drm/128)

These symlinks are specific for cases nvidia-drm.ko is in use.


If you're not using nvidia-drm.ko, below wouldn't be shown unless you manually
specified to load.

37    1 0xffffffff8505b000    14a88 nvidia-drm.ko
38    1 0xffffffff85070000    8b190 drm.ko
39    1 0xffffffff850fc000     22b8 iic.ko
40    1 0xffffffff850ff000     4120 linuxkpi_video.ko
41    2 0xffffffff85104000     7360 dmabuf.ko
42    1 0xffffffff8510c000     3378 lindebugfs.ko

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