linux-kernel - Re: [now bisected] i915: 2.6.36-rc2 hoses my Intel display

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Message-ID: <20100824071626.1be75877@bike.lwn.net>
Date:	Tue, 24 Aug 2010 07:16:26 -0600
From:	Jonathan Corbet <corbet@....net>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	dri-devel@...ts.freedesktop.org, Eric Anholt <eric@...olt.net>
Subject: Re: [now bisected] i915: 2.6.36-rc2 hoses my Intel display

On Tue, 24 Aug 2010 00:55:54 +0100
Chris Wilson <chris@...is-wilson.co.uk> wrote:

> In threes. Hmm, one for primary, cursor and self-refresh. drm.debug=0xe
> would be interesting to see what the pixel clock is.
> 
> Can you grab one before the bad commit and one after? If there is a change
> that may help pin-point the mistake. Or indicate further problems...

OK, three files attached; drm.good is from 2.6.35, drm.bad is from
2.6.36-rc2.  I also stripped the times and did a diff, in case that's
useful.

If you'd like output from right around the bad commit, say the word;
that will take a bit of building time (I didn't keep all those bisect
kernels around) but I can do it.

Thanks,

jon
Download attachment "drm.good" of type "application/octet-stream" (32898 bytes)

Download attachment "drm.bad" of type "application/octet-stream" (34704 bytes)

View attachment "drm.diff" of type "text/plain" (20975 bytes)