kernel test robot <xiaolong.ye@xxxxxxxxx> writes:
>
> on test machine: qemu-system-x86_64 -enable-kvm -m 320M
>
> caused below changes:
>
> [ 1.608985] mwave: mwavedd::mwave_init: Error: Failed to initialize
> [ 1.609295] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds).
> [ 1.609913] [drm] radeon kernel modesetting enabled.
> [ 1.610407] BUG: unable to handle kernel NULL pointer dereference at 0000002c
> [ 1.610833] IP: [<8143c0ba>] drm_dev_register+0xe9/0x173
> [ 1.611131] *pdpt = 0000000000000000 *pde = f000ff53f000ff53
> [ 1.611427]
I believe this is already fixed by 6098909cf2d0 ("drm: Avoid NULL
dereference of drm_device.dev"). But right now the tip of the
drm-intel-nightly already includes that patch, so I'm not sure if the
test included it, I think not.
I gave it a try with the jobfile just to be sure on top of
drm-misc-next, and I couldn't reproduce the error anymore after applying
Chris' patch (but I could reproduce the Oops when trying only with my
patch).
Also, sorry for the noise and lesson learned about virtual devices :(
--
Gabriel Krisman Bertazi
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