[Bug 287894] x11/nvidia-driver: panic on exit from Xorg

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287894

Tomoaki AOKI <[email protected]> changed:

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--- Comment #1 from Tomoaki AOKI <[email protected]> ---
How do you loading nvidia driver kmods?
If you're loading them via /boot/loader.conf, stop doing so and try loading via
kld_list variable in /etc/rc.conf[.local] as seen in pkg-message.

This is because of the limitations of memory area to load kernel and kmods
listed in /boot/loader.conf and its poor error checking, making possibilities
that loaded driver kmods are actually truncated (nvidia-modeset.ko auto-loads
nvidia-ko) and access to the truncated area surely causes undefined behavior
including yours.

If you're loading via /etc/rc.conf[.local], the above does not matter, as
enough memory is (if not really short in physical memory) allocated on loading
each modules.

In this case, try enabling GSP firmware with

hw.nvidia.registry.EnableGpuFirmware=1

in your /boot/loader.conf, as GTX1650 should be Turing generation and has GSP
in it.
Why needed to be in /boot/loader.conf is that it must be set BEFORE nvidia.ko
is loaded into memory, thus, other way like setting in /etc/sysctl.conf could
be too late.


Enabling it should stop suspend/resume to work (thus, disabling by default on
ports side), but possibly make some differences.

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