linux-kernel - Re: Reverting rc6 by default

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Message-ID: <CAOJsxLFVSEDEaYH8Dw4jWGo9=wkC8QQWOs4xRR6qcgVM2xCRoA@mail.gmail.com>
Date:	Tue, 12 Jul 2011 10:33:06 +0300
From:	Pekka Enberg <penberg@...nel.org>
To:	Francesco Allertsen <fallertsen@...il.com>
Cc:	Keith Packard <keithp@...thp.com>, dri-devel@...ts.freedesktop.org,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Reverting rc6 by default

On Wed, Jul 6, 2011 at 2:01 AM, Francesco Allertsen
<fallertsen@...il.com> wrote:
> On Tue, Jun 21, 2011 at 12:01:34PM -0700, Keith Packard wrote:
>> Thanks. I'll see if I can't get an X201s upgraded to this version and
>> see if we can reproduce the problem you're having...
>
> Any news?
>
> I have found the time today for more debugging.
>
> Attached there are 3 files.
>
> dmesg-startup is the startup of the last 3.0.0-rc6 kernel, with the
> debug enabled.
> dmesg-enabled is the X startup (and freeze) with debug mode and rc6
> enabled.
> dmesg-disabled is the X startup with debug mode enabled and rc6 disabled
> (so no freeze; full kde startup and logout).
>
> I hope this helps you to solve the problem, otherwise the X201s users
> will not use the 3.0.0 kernel :-(.
>
> If you need more informations just let me know.

AFAICT, this problem is still there in 3.0-rc7. Keith, isn't it time
to revert commit a51f7a6 ("drm/i915: enable rc6 by default") before
3.0 is out?
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