kernel NULL pointer dereference, IP: rs600_pm_prepare - huh?

[Alex Deucher]

On Wed, Sep 30, 2015 at 4:46 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Tue, Sep 29, 2015 at 8:36 PM, Marcel Partap <mpartap at gmx.net> wrote:
>> Hi,
>> friend send me this screenshot over whatsapp, complaining that her
>> system wouldn't start up since yesterday. What gives?
>
> Looks like she installed some tool that attempts to change the power
> state via sysfs during init which could happen before the driver has
> finished loading.  The attached kernel patch should fix it.

Patch attached.

>
> Alex
>
>>
>> #Best Regards/MPartap
>>
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>> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>>
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