[Bug 295788] graphics/drm-kmod: i915kms Hardware acceleration not working for Intel Braswell since >drm-510-kmod

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=295788

--- Comment #51 from Jean-Sébastien Pédron <[email protected]> ---
I would look for a bug in linuxkpi first.

To debug a DRM driver, I usually use dtrace, some printfs/ktraces or a panic.
Otherwise, it's too difficult to use an online debugger: if I use the computer
directly, the debugger blocks the console, and if I use a remote computer to
bypass the console, the debugger blocks the network.

Did you try with FreeBSD 15.1 which has the latest version of linuxkpi? I think
it would be a better starting point to track a regression in linuxkpi.

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