[Bug 281035] agp driver kernel panic on 14.1 - agp_close(): page fault while in kernel mode

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281035

--- Comment #5 from Franco Fichtner <franco@opnsense.org> ---
Can share the vmcore from the user from a debug kernel or dump further info if
you want. I don't want to put the user through more debug. For us disabling
agp(4) in the kernel config is a viable option here. But I can ask the user to
try a patch probably.

I noticed there is no mutex locking in agp_close() as seems customary in the
code around am_is_bound et al.  But it's probably irrelevant due to Giant lock?



Cheers,
Franco

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