https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241697

--- Comment #2 from Joshua Kinard <ku...@gentoo.org> ---
I believe it is.  When I initially tested on 12.1-RC2, I followed this mailing
list thread here, thinking this thread highlighted my problem:
https://www.mail-archive.com/freebsd-stable@freebsd.org/msg138326.html

So I built drm-fbsd12.0-kmod-4.16.g20191024 via ports as a package (as well as
gpu-firmware-kmod-g20191015), then installed that package to get it working on
12.1-RC2 (needed because I'm building a Kodi box and need EVDEV for working
bluetooth mouse/keyboard via a mini keyboard device).  Before I rebuilt my
kernel w/o MAXCPU, it'd crash virtually the exact same way.  Just a slight
difference in the stack trace where after the call to
"intel_dp_init_connector", there's a call to "intel_edp_panel_vdd_sanitize",
then the call to "linux_queue_delayed_work_on", which goes on to trigger the
panic.

After rebuilding the 12.1-RC2 kernel and commenting out MAXCPU, it works fine
w/ i915kms.ko from the rebuilt drm-fbsd12.0-kmod package.  Even got Kodi up and
working (just working on sound output now).

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