linux-kernel - Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green.

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Message-ID: <47BC75B6.7000509@rtr.ca>
Date:	Wed, 20 Feb 2008 13:47:18 -0500
From:	Mark Lord <lkml@....ca>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	Jesse Barnes <jesse.barnes@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...ux.ie>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-acpi@...r.kernel.org,
	suspend-devel List <suspend-devel@...ts.sourceforge.net>,
	Greg KH <gregkh@...e.de>
Subject: Re: 2.6.25-rc2 System no longer powers off after suspend-to-disk.
 Screen becomes green.

Jeff Chua wrote:
> 
> 
> On Feb 20, 2008 2:19 PM, Jeff Chua
>> I'll try the "idle=poll" to see if that works and will try some printk
> 
> I don't know what exactly the i915_suspend() and i915_resume() are 
> supposed to do because it works better without them.
> 
> After inserting "return 0;" right at the top of those two functions, 
> suspend (and power-off properly), and resume (without green screen) 
> works just fine.
..

Does this machine have more than one CPU core?  If so..
Does your kernel have CONFIG_HOTPLUG_CPU=y (if not, enable it).

??
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