linux-kernel - Re: recent 2.6.26 kernel hangs at suspend

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Date:	Wed, 21 May 2008 00:11:10 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Pavel Machek" <pavel@...e.cz>
Cc:	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"Jesse Barnes" <jbarnes@...tuousgeek.org>,
	"Arjan van de Ven" <arjan@...radead.org>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	len.brown@...el.com, "Shaohua Li" <shaohua.li@...el.com>,
	"Greg KH" <greg@...ah.com>, "Len Brown" <lenb@...nel.org>
Subject: Re: recent 2.6.26 kernel hangs at suspend

On Tue, May 20, 2008 at 3:48 PM, Pavel Machek <pavel@...e.cz> wrote:

>> If I don't enter X, it'll not hang on suspend to ram.
>
> Ok, so we have X in the mix.
>
> Can you try if it happens if you disable Intel framebuffer driver?

The whole problem went away after the latest git pull.

Looks like the commit below fixes the problem of failing on 2nd suspense.

I've tested whole day and it's suspending-resuming after many cycles.

Sorry, couldn't get to email whole day. Traveling. Slow train.

Thank you all for your help!!!
Jeff.


commit 860da5e578c25d1ab4528c0d1ad13f9969e3490f
Merge: 1bf9947... e948e99...
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date:   Mon May 19 13:30:40 2008 -0700

    Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/
airlied/drm-2.6

    * 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm
-2.6:
      drm/i915: save and restore dsparb and d_state registers.
      drm/i915: fix off by one in VGA save/restore of AR & CR regs.
      drm: disable tasklets not IRQs when taking the drm lock spinlock
      Revert "drm/vbl rework: rework how the drm deals with vblank."
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