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 20:43:22 +0100
From:	Romano Giannetti <romano@....icai.upcomillas.es>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	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,
	Jesse Barnes <jesse.barnes@...el.com>
Subject: Re: [Suspend-devel] 2.6.25-rc2 System no longer powers off 
	aftersuspend-to-disk. Screen becomes green.

On Thu, 2008-02-21 at 02:02 +0800, Jeff Chua wrote:
> On Feb 21, 2008 1:52 AM, Linus Torvalds <torvalds@...ux-foundation.org> wrote:
>
> > Ahh. You're using the BIOS to re-initialize your video, aren't you?
>
> I don't know. Just pure simple "s2ram" without any options.

Well, as far as I know, s2ram could be doing vbe save/restore for you.
Even without parameter, if your laptop is in the whitelist.

> > 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.

Romano

I imagine this will be received as blasphemy, but if only ndiswrapper
were not horribly broken, this will be my day-by-day kernel. I just hope
ath5k will arrive to my chipset soon...

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