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Subject: Re: Panic on drm-devel v5.5.19.g20210909
To: Pete Wright <pete@nomadlogic.org>, x11@freebsd.org
References: <f38c9e97-1d82-1842-f2c2-13f29f0f666a@nomadlogic.org>
 <e7bed6f0-d705-c880-5233-58f8339d33a5@FreeBSD.org>
 <ba76ba08-53ac-49b7-23da-cc885b5126d1@nomadlogic.org>
 <aaee7785-5c2c-2c9f-0e18-8f1f43cddfbc@nomadlogic.org>
 <ca3a9dce-96e2-9667-fcde-88ce50df82b5@FreeBSD.org>
 <2fcbea3c-ce7b-17ae-7018-ebda212ef186@nomadlogic.org>
From: Vladimir Kondratyev <wulf@FreeBSD.org>
Message-ID: <6daeefee-abdf-2443-3842-461112065a3f@FreeBSD.org>
Date: Sun, 12 Sep 2021 23:10:56 +0300
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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