linux-kernel - Re: [BUG] i915: suspend by closing Laptop lid broken

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Message-ID: <87oalw5wfl.fsf@intel.com>
Date:	Thu, 07 May 2015 16:50:06 +0300
From:	Jani Nikula <jani.nikula@...ux.intel.com>
To:	Martin Kepplinger <martink@...teo.de>, daniel.vetter@...el.com,
	airlied@...ux.ie
Cc:	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [BUG] i915: suspend by closing Laptop lid broken

On Thu, 07 May 2015, Martin Kepplinger <martink@...teo.de> wrote:
> Am 2015-05-04 um 13:24 schrieb Jani Nikula:
>> On Mon, 04 May 2015, Martin Kepplinger <martink@...teo.de> wrote:
>>> So. -rc1 broke suspending by closing my laptop lid and it's not fixed in
>>> -rc2. It works exactly *one* first time and every subsequent lid-closing
>>> is ignored.
>>>
>>> Biscted and tested first bad commit:
>>> 14aa02449064541217836b9f3d3295e241d5ae9c
>>>
>>> This pulls in i915 changes as well as ACPI changes. I don't know the
>>> driver but I'm sure you can find the mistake. I'm happy to test changes.
>>>
>>> There are no log differences.
>> 
>> Any chance you could bisect into the merge? It would be helpful.
>> 
>> BR,
>> Jani.
>> 
>> 
>
> My attempt to go into the merge was too much effort as the checkouts in
> between break random other stuff.

This should obviously *not* be the case. :(

> We should be between 09d51602cf84a1264946711dd4ea0dddbac599a1 (good) and
> c0f404284192f2d4a0159a714372a8c8610c1f6d. Could you have a look and
> maybe you have guesses for me, what I should test? It's not sooo much
> anymore, maybe you even have a guess about the bug?

$ git log --oneline 09d51602cf..c0f4042841 | grep drm/i915 | wc -l
286

Oof, I eyeballed the list, but didn't spot any obvious candidates.

If a commit is inconclusive or borken in other ways, you could try git
bisect skip to try another commit...

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center
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