Re: suspend/restore almost works on Sony PCG-GRX570, acpi_video not good

From: John Baldwin <jhb_at_FreeBSD.org>
Date: Mon, 27 Jun 2005 17:15:13 -0400
On Sunday 19 June 2005 06:31 pm, George Hartzell wrote:
> Hi,
>
> I'm working on a Sony PCG-GRX570.
>
> I'm working with -CURRENT as of a few days ago.
>
> I'm trying to get suspend and resume to work.  S3 suspend and resume
> work (from X) when I boot off of a Ubuntu Linux 5.04 live CD.
>
> Actually, suspend seems to be working.  I have
>
> hw.acpi.reset_video=0
> hw.acpi.sleep_delay=4
>
> and a kernel that's stripped of everything I could get rid of.  I
> eventually added fxp0 back in to see if it was coming back to life,
> the machine still almost resumes but the interface doesn't work (it
> does work pre-suspend).
>
> When I suspend (from the console, no X, using acpiconf -s 3), the
> screen dims, the fan stops, and the green LED that usually says
> "powered on" switches to a slowly flashing red.
>
> When I hit the any key, the screen brightens, the fan spins up, and
> after a couple of moments the disk light flashes a bit, and settles in
> to a fairly normal "I'm awake" kind of activity.
>
> But the console's dead (no new prompt, no response to the keyboard)
> and pinging the interface from another machine doesn't do anything.
>
> I *have* seen "acpi: resume at..." message in my /var/log/messages
> though, so it's getting somewhere.

The problem is that your LCD isn't turned back on via DPMS, but there's not a 
good way to fix that always.  Especially if your BIOS doesn't support DPMS.

-- 
John Baldwin <jhb_at_FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org
Received on Mon Jun 27 2005 - 19:25:20 UTC

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