linux-kernel - Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder

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Message-ID: <CADnq5_MJjbD2Jr3TcRQMO1c7S64cwZQuS_cgtNiQEUCaZZ-pMw@mail.gmail.com>
Date:	Tue, 22 Sep 2015 15:58:03 -0400
From:	Alex Deucher <alexdeucher@...il.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	lkml <linux-kernel@...r.kernel.org>,
	Maling list - DRI developers 
	<dri-devel@...ts.freedesktop.org>
Subject: Re: WARNING: CPU: 4 PID: 863 at include/drm/drm_crtc.h:1577 drm_helper_choose_encoder_dpms+0x88/0x90()

On Mon, Sep 21, 2015 at 9:31 AM, Borislav Petkov <bp@...en8.de> wrote:
> Hi guys,
>
> this assert_drm_connector_list_read_locked() thing fires here when
> suspending to disk with Linus' master from around a week ago and
> tip/master merged ontop.
>
> After I resume, box comes up but wedges solid. I've managed to capture
> that splat in its whole glory too, see the end of this mail.
>
> Let me know if you need more info.
>
> Thanks.
>

What system is this?  What GPU are you using?  Can you bisect?

Alex
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