linux-kernel - Re: [Intel-gfx] 4.10-rc2 oops in DRM connector code

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Message-ID: <20170111074338.rapmbctzne2da6vm@phenom.ffwll.local>
Date:   Wed, 11 Jan 2017 08:43:39 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        intel-gfx <intel-gfx@...ts.freedesktop.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Intel-gfx] 4.10-rc2 oops in DRM connector code

On Tue, Jan 10, 2017 at 08:52:47AM -0800, Dave Hansen wrote:
> On 01/10/2017 02:31 AM, Daniel Vetter wrote:
> > commit e73ab00e9a0f1731f34d0620a9c55f5c30c4ad4e
> > Author: Daniel Vetter <daniel.vetter@...ll.ch>
> > Date:   Sun Dec 18 14:35:45 2016 +0100
> > 
> >     drm: prevent double-(un)registration for connectors
> > 
> > Lack of that would perfectly explain that oops ... Otherwise still no idea
> > what's going wrong.
> 
> No...  That's not in mainline as far as I can see.  Should I test with
> it applied?

Hm, I guess failed to cc: stable that one properly, iirc we decided the
race fix is too academic and can't be hit in reality ;-)

Testing would be great. Probably conflicts because we extracted
drm_connector.c only recently, but running s/drm_connector\.c/drm_crtc.c/
over the diff and then applying with some fudge should take care of that.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch