linux-kernel - Re: i915 wakes from suspend to RAM with blank screen after commit cd9dde44f47501394b9f0715b6a36a92aa74c0d0

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Date:	Sat, 21 Jan 2012 10:15:24 -0800
From:	Keith Packard <keithp@...thp.com>
To:	Lubos Kolouch <lubos.kolouch@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: i915 wakes from suspend to RAM with blank screen after commit cd9dde44f47501394b9f0715b6a36a92aa74c0d0

On Sat, 21 Jan 2012 10:32:14 +0000 (UTC), Lubos Kolouch <lubos.kolouch@...il.com> wrote:

> I git bisected it to commit
> cd9dde44f47501394b9f0715b6a36a92aa74c0d0 is the first bad commit
> commit cd9dde44f47501394b9f0715b6a36a92aa74c0d0
> Author: Adam Jackson <ajax@...hat.com>
> Date:   Fri Oct 14 12:43:49 2011 -0400

Did you try reverting this single commit on top of 3.3-rc1?

And, can you collect the dmesg output with the kernel parameter drm.debug=0xe
added to the boot line, both messages at boot time *and* messages during
resume would be needed. If it works at boot time, I'm quite surprised it
somehow doesn't work at resume...

-- 
keith.packard@...el.com

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