[Intel-gfx] New "RPM wakelock ref not held during HW access" in 4.12-rc1 ?

Hans de Goede hdegoede at redhat.com
Fri May 26 08:55:44 UTC 2017


Hi,

On 26-05-17 10:55, Jani Nikula wrote:
> On Fri, 26 May 2017, Hans de Goede <hdegoede at redhat.com> wrote:
>> Hi,
>>
>> On 18-05-17 15:59, Hans de Goede wrote:
>>> Hi,
>>>
>>> On 16-05-17 12:34, Jani Nikula wrote:
>>>> On Tue, 16 May 2017, Ville Syrjälä <ville.syrjala at linux.intel.com> wrote:
>>>>> mn Tue, May 16, 2017 at 10:47:48AM +0300, Jani Nikula wrote:
>>>>>> On Mon, 15 May 2017, Hans de Goede <hdegoede at redhat.com> wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> I'm seeing this on suspend/resume on a GPD-win,
>>>>>>> cherrytrail z8700 device:
>>
>> <snip>
>>
>>>>> ebf5f921478b ("drm/i915: Stop pretending to mask/unmask LPE audio
>>>>> interrupts") is a more likely candidate.
>>>
>>> I can confirm that that patch does fix this.
>>>
>>>> Is that applicable to v4.12-rc1?
>>>
>>> I added it to my 4.12-rc1 based tree with a simple git cherry-pick
>>> without any conflicts, so from a does it apply pov yes it is
>>> applicable. If it is a good idea to merge it into 4.12-rc#, I don't
>>> know.
>>
>> I've been running with commit ebf5f921478b cherry picked into my
>> kernel for a while now on multiple Bay and Cherry Trail devices,
>> and it fixes the below oops on suspend resume.
>>
>> Can we get this commit cherry-picked into fixes please ?
> 
> Done, with your Tested-by. I expect it to hit -rc4.

Thank you.

>> Note this is masking the other oops I reported since we only report
>> one of these per suspend/resume, which is likely why no-one else is
>> reporting the other oops.
> 
> I fail, what's the other oops?

https://www.spinics.net/lists/intel-gfx/msg128453.html

Regards,

Hans


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