[Bug 274519] panic with x11/nvidia-driv er-470: sleepq_add: td … to sleep on wchan … with sleeping prohibited

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274519

Graham Perrin <grahamperrin@gmail.com> changed:

           What    |Removed                     |Added
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           Keywords|needs-qa                    |
              Flags|                            |maintainer-feedback?(danfe@
                   |                            |FreeBSD.org)

--- Comment #9 from Graham Perrin <grahamperrin@gmail.com> ---
<https://discord.com/channels/727023752348434432/757305573866733680/1215471550862598195>
from Austin Shafer:

> You can also compare it with this: 
> <https://github.com/amshafer/nvidia-driver/blob/535.98/nvidia/src/nvidia-modeset/nvidia-modeset-freebsd.c#L76> 
> and see the differences in locking and the task queue
> 
> See the sx lock for nvkms_lock and the fast nvkms task queue. These are 
> what 470 is missing iirc

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