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

On Sun, Jun 19, 2005 at 03:31:13PM -0700, 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.
> 
> I've googled around and it seems that many people have trouble w/ the
> backlight on suspend and the fix is the acpi_video module with the
> DPMS hack applied.  It won't probe/attach on my machine, it seems that
> it doesn't have the right capabilities (dim, brighten).  Since I
> don't care about them but want it to hook up suspend/resume actions, I
> butchered the probe routine.  That left me w/ something that attached
> to 9 different devices (clearly I know enough to be dangerous, but no
> more...).  The backlight did go out when I suspended though....
> 
> I just noticed that if I lightly pop the power button after a "failed"
> resume, I get a lot of disk activity and on the next boot the disks
> are clean.  Looks like it's doing the S5 thing (more or less) but
> doesn't actually poweroff (which it does normally).
> 
> There's a bunch of info (kernel cnfig file, asl, dmesg, loader.conf,
> pciconf -lv output, sysctl -a output, uname -a output) at:
> 
>   http://grapeape.alerce.com/KONG
> 
> Setting hw.acpi.reset_video to 1 results in a dimmed LCD that
> brightens when I hit a key but there's no disk life and the power
> button doesn't do anything.
> 
> So, I'm trying to figure out what to try next.
> 
> Can someone suggest something to try?
> 

It seems there are propritary methods to control the brightess
looking around the asl.
Is there any kind of sony driver under FreeBSD?

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.