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Date:	Mon, 10 Nov 2014 22:19:05 +0100
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Emmanuel Benisty <benisty.e@...il.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [Regression] 83f45fc turns machine's screen off

Adding relevant mailing lists.


On Sat, Nov 8, 2014 at 7:34 PM, Emmanuel Benisty <benisty.e@...il.com> wrote:
> Hi,
>
> The following commit permanently turns my screen off when x server is
> started (i3 330M Ironlake):
>
>     [83f45fc360c8e16a330474860ebda872d1384c8c] drm: Don't grab an fb
> reference for the idr
>
> Reverting this commit fixed the issue.

This is definitely unexpected. I think we need a bit more data to
figure out what's going on here:
- Please boot with drm.debug=0xe added to your kernel cmdline and grab
the dmesg right after boot-up for both a working or broken kernel.
- Are you using any special i915 cmdline options?

Everything else should be in the debug logs I hope.

Thanks, Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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