[Bug 297250] graphics/drm-66-kmod (amdgpu): panic: Assertion td->td_lkpi_task == NULL

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297250

--- Comment #5 from [email protected] ---
My battle continues with no improvement.
I have deleted all drm-kmod and gpu-firmware-* software, done pkg autoremove
and reinstalled drm-612-kmod and gpu-firmware-intel-kmod. Nothing improved.
With drm-612-kmod, attempting to run mpv resulted in a GPU lockup as soon as
the video tried to start playing. No other messages were displayed or logged.

Repeated except install drm-66-kmod. Again no change from that kmod in the
past. Difference from 612 ias that the GPU does not lock up. Instead I get
three of the error:
[vo/gpu-next/libplacebo] Masking `storable` from wrapped texture because the
corresponding format 'bgra8' does not support PL_FMT_CAP_STORABLE
followed by a long stream of
[vo/gpu-next/libplacebo] vkQueueSubmit2: VK_ERROR_UNKNOWN
(../src/vulkan/command.c:533)

I should note that, until the recent update of mesa, MPV simply reported that
vulkan was not functional and played the video, probably using vaapi. 

I think the problem stems from mesa being fixed but drm-kmd (either 66 or 612
being broken, but in different ways.

Another thing that locks up 615 is virtualbox. If I start or save a VM, part
way through the operation, the GPU locks up. If a switch to another workspace,
it does not happen. It either starts or saves normally.

System is 12th Gen Intel(R) Core(TM) i5-1235U (2496.00-MHz K8-class CPU)
GPU is Intel:
vgapci0@pci0:0:2:0:     class=0x030000 rev=0x0c hdr=0x00 vendor=0x8086
device=0$
    vendor     = 'Intel Corporation'
    device     = 'Alder Lake-UP3 GT2 [Iris Xe Graphics]'

I have multiple tools written to use mpv capability not available elsewhere and
I have been unable to figure a way to write it for vlc as it lacks the
capability to use a UNIX pipe to talk to it while still having keyboard access.

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