[Intel-gfx] Kernel panic every other reboot/poweroff since 3.19.3 ( commit 9a6f5130143 )

[Steven Honeyman]

On 31 March 2015 at 17:50, Matt Roper <matthew.d.roper at intel.com> wrote:
> On Tue, Mar 31, 2015 at 08:54:19AM +0200, Daniel Vetter wrote:
>> Adding mailing lists (and hooray for me mixing up addresses, so now
>> there's a disclaimer at the bottom).
>> -Daniel
>
> It looks like this is caused by 3.19.3 having
>
>         commit 77f7ef95e2cf09150e5777454fd5df69af39edcd
>         Author: Chris Wilson <chris at chris-wilson.co.uk>
>         Date:   Wed Feb 25 13:45:26 2015 +0000
>
>             drm: Don't assign fbs for universal cursor support to files
>
> without also having
>
>         commit 8218c3f4df3bb1c637c17552405039a6dd3c1ee1
>         Author: Daniel Vetter <daniel.vetter at ffwll.ch>
>         Date:   Fri Feb 27 12:58:13 2015 +0100
>
>             drm: Fixup racy refcounting in plane_force_disable
>
>
> Can you try cherry-picking 8218c3f4df3bb1c637c17552405039a6dd3c1ee1 and
> see if it solves the problem?
>
>
> Matt

It does! Thanks Matt.

5 successful reboots and a successful shutdown. The only change
between the two kernels was the above patch.



Thanks,
Steven.