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

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Message-ID: <20140410124045.GX19349@intel.com>
Date:	Thu, 10 Apr 2014 15:40:45 +0300
From:	Mika Westerberg <mika.westerberg@...ux.intel.com>
To:	Josh Boyer <jwboyer@...oraproject.org>
Cc:	Rafał Miłecki <zajec5@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	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 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.
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