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SubjectRe: [Nouveau] 3.12rc1-pre Nouveau? oops
From
On Mon, Sep 9, 2013 at 8:01 AM, Tobias Klausmann
<tobias.johannes.klausmann@mni.thm.de> wrote:
>
> On 08.09.2013 23:33, Dave Airlie wrote:
>>>>
>>>> Looks like you have Optimus (intel + nvidia), and the backtrace has
>>>> runtime pm in it, which is something new Dave added for 3.12, adding
>>>> him in explicitly. The simplest explanation is that disp->init is
>>>> NULL. And it seems like there are no outputs from the earlier nouveau
>>>> init prints. I guess that the call to nouveau_display_resume from
>>>> nouveau_pmops_runtime_resume should be guarded by a if
>>>> (dev->mode_config.num_crtc) like it is everywhere else.
>>>>
>>>> -ilia
>>>
>>> Your guess was right, this (hopefully attached patch) fixes it for me!
>>
>> Does it look like this one?
>>
>> Dave.
>
> No, mine was quick and dirty, reverted it and took yours. But i'm a little
> bit confused that this is a suspend/resume problem, i booted the kernel for
> the first time while seeing the oops. But anyway i tested it and it works.

It's runtime suspend/resume - so it turns the nvidia gpu off at boot since it
isn't being used.

you should see longer battery life.
Dave.


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