linux-kernel - Re: 3.1-rc5 is the worst

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Message-ID: <yunbousl9f5.fsf@aiko.keithp.com>
Date:	Sat, 10 Sep 2011 08:11:10 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Francis Moreau <francis.moro@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: 3.1-rc5 is the worst

On Sat, 10 Sep 2011 11:57:06 +0200, Francis Moreau <francis.moro@...il.com> wrote:

> 3/ video: Intel Corporation Core Processor Integrated Graphics
> Controller (rev 18) drived by 'i915': sometime after resuming or after
> leaving the black screensaver, the screen seems to be frozen and I
> need to switch to tty1 and switch back to the graphic screen in order
> to make the screen refreshed again.

Can you try disabling fbc and see if this helps?

i915.i915_enable_fbc=0

We've gotten a few minor regression reports that this fixes; we're
working on isolating the cause if possible.

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

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