linux-kernel - Re: Oops in acpi_gpiochip_add on MacBookPro with Linux v3.14-12042-g69cd9eba3886

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Message-ID: <CACRpkdaBg5KjvksHRB3z2R6KehYcFC=4MEHedfcE6tP4GTh+Qw@mail.gmail.com>
Date:	Thu, 10 Apr 2014 20:47:23 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Rafał Miłecki <zajec5@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
Subject: Re: Oops in acpi_gpiochip_add on MacBookPro with Linux v3.14-12042-g69cd9eba3886

On Thu, Apr 10, 2014 at 2:40 PM, Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:
> On Thu, Apr 10, 2014 at 08:22:12AM -0400, Josh Boyer wrote:
>> On Thu, Apr 10, 2014 at 2:50 AM, Rafał Miłecki <zajec5@...il.com> wrote:
>> > 2014-04-09 23:09 GMT+02:00 Josh Boyer <jwboyer@...oraproject.org>:
>> >> With Linux v3.14-12042-g69cd9eba3886 I get an oops from the bcma
>> >> module on the MacBookPro 10,2 I have here.  This works fine with Linux
>> >> v3.14-7333-g59ecc26004e7.  There have been no changes between those
>> >> two versions to bcma itself, but the GPIO merge did go in that window.
>> >>  I can attempt to do a bisect tomorrow, but looking over some of the
>> >> GPIO commits it seems pretty relevant to the ACPI GPIO changes.  I'm
>> >> hoping someone here has an idea on what the issue might be and has
>> >> some possible things for me to test for fixes.
>> >
>> > Bug report: https://lkml.org/lkml/2014/3/24/262
>> > Patch: https://lkml.org/lkml/2014/3/24/293
>> > Tested by Sabrina: https://lkml.org/lkml/2014/3/24/304
>> > (all links are for the same thread).
>> >
>> > Now you simply have to find above patch in some git tree :) Not sure
>> > if it's already in Linus's one.
>>
>> Ah, wonderful.  I now wish I would have found those in my searching
>> before doing the bisect.  Oh well.  For what it's worth, my bisect
>> landed on the same commit.
>>
>> The fix isn't in Linus' tree or linux-next.  I'm guessing Mika is
>> either still on vacation, or hasn't sent out the formal fix yet.
>
> No, not on vacation anymore (unfortunately). I did send the formal patch
> already:
>
> https://lkml.org/lkml/2014/3/31/135
>
> but it isn't merged to Linus' GPIO tree yet.

I've queued this for fixes!

Will send upstream ASAP.

Yours,
Linus Walleij
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