linux-kernel - Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green.

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Date:	Thu, 21 Feb 2008 16:23:55 -0800
From:	Jesse Barnes <jesse.barnes@...el.com>
To:	"Jeff Chua" <jeff.chua.linux@...il.com>
Cc:	"Romano Giannetti" <romano@....icai.upcomillas.es>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"suspend-devel List" <suspend-devel@...ts.sourceforge.net>,
	"Dave Airlie" <airlied@...ux.ie>, "Greg KH" <gregkh@...e.de>,
	lkml <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-acpi@...r.kernel.org
Subject: Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off aftersuspend-to-disk. Screen becomes green.

On Thursday, February 21, 2008 4:20 pm Jeff Chua wrote:
> On Fri, Feb 22, 2008 at 5:02 AM, Jesse Barnes <jesse.barnes@...el.com> 
wrote:
> > On Thursday, February 21, 2008 11:43 am Romano Giannetti wrote:
> >  > > > Let's try to narrow it down to what the interaction is. Are you
> >  > > > using something like acpi_sleep=s3_bios or similar?
> >  > >
> >  > > No. Not additional command line option except for resume=/dev/sda3
> >  > > reboot=bios
> >  >
> >  > My laptop (a Toshiba satellite U305, intel 945GM chipset, used to need
> >  > s2ram -f -p -m to STR correctly. In 2.6.25-rc2 I can simply STR with
> >  > echo mem > /sys/power/state.
> >
> >  Cool, glad to hear at least one success report. :)
>
> STR is always working on my X60s. No green screen, no hang. Both s2ram
> and "echo mem > /sys/power/state". It's STD that's having problem.
>
> But strange thing is I could even restore console after STD even
> without agp and i915 module loaded, so I don't know how the console
> vga got saved and restored.

Your system (either your distro suspend/resume scripts or your platform) must 
be running the video BIOS at resume time, otherwise it would probably come 
back blank.

Jesse
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