[ACPI] Re: Compaq 1711T freezes on S1 sleep (Pavel Machek)

[<ln...@es...>]

Em Quarta,  6 de Fevereiro de 2002 12:11, escreveste:
> Message: 1
> Date: Tue, 5 Feb 2002 13:48:19 +0000
> From: Pavel Machek <pa...@su...>
> To: Daniel Wagenaar <wag...@ca...>
> Cc: acp...@li...
> Subject: Re: [ACPI] Compaq 1711T freezes on S1 sleep
>
> Hi!
>>....
> > The /proc/acpi/sleep file reports:
> >
> >   S0 S1 S4 S5
> >
> > so I believe the machine should be capable of suspend-to-ram sleep
> > mode (S1) and suspend-to-disk hibernate mode (S4), but neither works.
> > When I
> >
> >   echo -n 1 > /proc/acpi/sleep
> >
> > the machine freezes instantly. The power light starts to blink nicely=
,
> > but the screen does not switch off.

In my laptop (Presario 12XL515 - 1200 series) it happens the same. I've=20
compiled the 2.4.17 kernel with the latest acpi patch for 2.4.17 (2001121=
8 if=20
I recall) and the DSDT overriden due to the _SB scope bug (according to=20
Paul's instructions). The current behaviour is:

echo 1 >/proc/acpi/sleep

The screen blanks but doesn't switch off and the disk continues spinning.=
=20
Pressing the power button wakes it up sometimes (???). Sometimes it simpl=
y=20
hangs. After "resuming", it doesn't power off on halt anymore, and it doe=
sn't=20
"suspend" anymore either.

The debug messages don't say anything much relevant as I can see.
>
> Does it continue when you press a power button? If so it works as expec=
ted.
>
What do you mean? In Windows Me, the equivalent standby mode switches off=
 the=20
screen and stops the disk.

Another interesting behaviour is related to the thermal zones. When I fir=
st=20
tried this "new  kernel", it complained it didn't find any thermal zone, =
and=20
/proc/acpi/thermal was empty. After rebooting, it worked OK, and it seeme=
d to=20
me that after heating up a little bit, it worked better! Can this happen?=
 The=20
first temperature measures seemed too low for me: 17 degrees Celsius and =
even=20
lower, although I can'r recall exactly, and after a while it was around 2=
5. I=20
use to work with the AC adapter on so the fan is always on, which may exp=
lain=20
low temperature values, but I expected more.

Best ,

Lu=EDs