[Bug 291337] amdgpu crash when calling unregister_fictitious_range() / on 14.3-RELEASE or 15.0-RELEASE

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=291337

Pierre Beyssac <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |Not A Bug
             Status|Open                        |Closed

--- Comment #12 from Pierre Beyssac <[email protected]> ---
Ok thanks Bjoern and Emmanuel for the help and advice, I found the solution:
pilot error on my part, I didn't notice the PCI ids changed for the internal
GPU when I added the card, so I actually gave the internal GPU, not the PCI
card, to ppt. No wonder Xorg failed then.

So I can go back using the unpatched amdgpu driver, it works successfully once
the card in in passthru mode, the machine successfully ignores the card.

The passed-through RX9060 still doesn't work in Linux/bhyve as it should (seems
to fail at firmware loading), but that's another story.

Note that passing the device to a FreeBSD 15.0 bhyve VM causes the same crash
in amdgpu.

I think I can close the ticket.

Thanks!

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