Re: Panic on drm-devel v5.5.19.g20210909

From: Vladimir Kondratyev <wulf_at_FreeBSD.org>
Date: Sun, 12 Sep 2021 20:10:56 UTC 
On 12.09.2021 22:08, Pete Wright wrote:
> #15 linux_queue_work_on (cpu=<optimized out>, wq=0xfffff80004817f80,
> work=0xfffff803e7310498)
>     at
> /usr/home/pete/git/freebsd/sys/compat/linuxkpi/common/src/linux_work.c:150
> #16 0xffffffff8432bd70 in dma_fence_signal () from
> /boot/modules/linuxkpi_gplv2.ko
> #17 0xffffffff8432d016 in dma_resv_add_shared_fence () from
> /boot/modules/linuxkpi_gplv2.ko
> #18 0xffffffff8416519e in i915_vma_move_to_active () from
> /boot/modules/i915kms.ko

schedule_work() caller is still missing in backtrace.

Could you obtain a crashdump from drm-kmod compiled with -O0 option
added to CFLAGS? Following command will apply -O0 to build:

$ make clean
$ CFLAGS='-g -O0' make

-- 
WBR
Vladimir Kondratyev