linux-kernel - Re: i915 black screen introduced by ACPI changes

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Message-ID: <CANeU7QnMzYuG6iiU3nLh4k0dGFMEDOyfUDQgxQSKj20_y-oL+Q@mail.gmail.com>
Date:	Wed, 20 Feb 2013 11:45:52 -0800
From:	Chris Li <lkml@...isli.org>
To:	Daniel Vetter <daniel.vetter@...ll.ch>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, robert.moore@...el.com,
	feng.tang@...el.com, len.brown@...el.com
Subject: Re: i915 black screen introduced by ACPI changes

On Wed, Feb 20, 2013 at 2:57 AM, Daniel Vetter <daniel.vetter@...ll.ch> wrote:

> Starts to smell like a bog-standard i915 black screen bug (albeit with
> a strange cause for the regression). Can you please boot the broken
> kernels again with drm.debug=0xe and grab the complete dmesg?
> Depending upon how long it takes for your wifi to get up, you might
> need to extend the log buffer, it dumps a lot.

Hi Daniel,

Here is the dmesg with "drm.debug=0xe". It is from the tip of git
kernel. The computer has the black screen.
Let me know what else do you need.

Thanks

Chris

Download attachment "dmesg.drm.dbg.3.8.0-rc7" of type "application/octet-stream" (124829 bytes)