SEO

Hello,

I'm using kernel 2.6.15-gentoo-r1 (gentoo-sources) in my desktop Pentium
II computer.

When I power it down, it stays powered on, as if the motherboard was not
able to power off the computer (it writes a line saying "Power off" (or
"Power down?")). When I had Fedora Core installed, this didn't happen -
the computer was powered off automatically.

But now, with Gentoo, it does not power off automatically and I'm also
not able to use the display power saving settings: setting a delay to
activate Standby and Suspend does not work (the display continues
showing a black screen and the led stills green).

How do activate this?

My kernel was compiled using Genkernel defaults, and I'm using KDE and
its screensaver.

--
Nuno J. Silva (aka NJSG)
Lisbon, Portugal
Homepage: <http://njsg.no.sapo.pt/>
Registered Linux User #402207 - http://counter.li.org

Using Mozilla Thunderbird 1.0.7
Gentoo Linux -- Linux 2.6.15-gentoo-r1 i686 Mobile Pentium II
Intel Pentium II (80686) Deschutes - 334Mhz -- 256 Mbs SDRAM
Intel Mobile Pentium II (80686) - 300 Mhz -- 64 Mbs SDRAM
Intel Pentium (80586) - 166 Mhz -- 32 Mbs RAM

-=-=-
``Only two things are infinite, the universe and human stupidity, and
I'm not sure about the former.''
-- Albert Einstein

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFEZNna8uhttueYbMMRAjjeAKCFasNDq5h6T0M++Vnu58 quzPQdogCglde7
6+RHBQyG+YlpP+BxN8lmB3I=
=Ef7x
-----END PGP SIGNATURE-----

On Friday 12 May 2006 20:54, Nuno J. Silva (aka NJSG) stood up and spoke
the following words to the masses in /alt.os.linux.gentoo...:/

> Hello,
>
> I'm using kernel 2.6.15-gentoo-r1 (gentoo-sources) in my desktop
> Pentium II computer.
>
> When I power it down, it stays powered on, as if the motherboard was
> not able to power off the computer (it writes a line saying "Power
> off" (or "Power down?")). When I had Fedora Core installed, this
> didn't happen - the computer was powered off automatically.
>
> But now, with Gentoo, it does not power off automatically and I'm also
> not able to use the display power saving settings: setting a delay to
> activate Standby and Suspend does not work (the display continues
> showing a black screen and the led stills green).
>
> How do activate this?
>
> My kernel was compiled using Genkernel defaults, and I'm using KDE and
> its screensaver.

You have to make sure that either ACPI or APM are built into your
kernel. You must select either one, but not both - they cannot be used
together.

The kernel configurator has individual power management options which
you can mark or unmark in the respective sections for each.

Hope this helps... ;-)

--
With kind regards,

*Aragorn*
(Registered GNU/Linux user # 223157)

"Nuno J. Silva (aka NJSG)" <nunojsg@gmail.com> writes:
>When I power it down, it stays powered on, as if the motherboard was not
>able to power off the computer (it writes a line saying "Power off" (or
>"Power down?")). When I had Fedora Core installed, this didn't happen -
>the computer was powered off automatically.

My experience is that LILO systems stay on and Grub systems power off
(that's the only reason why I use Grub). I have no idea why.

>I'm also
>not able to use the display power saving settings: setting a delay to
>activate Standby and Suspend does not work (the display continues
>showing a black screen and the led stills green).

This worked for me with earlier X servers, but not with more recent
ones (IIRC since XFree 4). No idea how to fix it.

- anton
--
M. Anton Ertl Some things have to be seen to be believed
anton@mips.complang.tuwien.ac.at Most things have to be believed to be seen
http://www.complang.tuwien.ac.at/anton/home.html

On Tue, 16 May 2006 14:35:47 GMT, Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:


>"Nuno J. Silva (aka NJSG)" <nunojsg@gmail.com> writes:
>>When I power it down, it stays powered on, as if the motherboard was not
>>able to power off the computer (it writes a line saying "Power off" (or
>>"Power down?")). When I had Fedora Core installed, this didn't happen -
>>the computer was powered off automatically.

>My experience is that LILO systems stay on and Grub systems power off
>(that's the only reason why I use Grub). I have no idea why.

That's silly. Once lilo or grub have loaded the kernel, they
are irrelevent to power management.

AZ Nomad <aznomad@PmunOgeBOX.com> writes:
>On Tue, 16 May 2006 14:35:47 GMT, Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:
>>My experience is that LILO systems stay on and Grub systems power off
>>(that's the only reason why I use Grub). I have no idea why.
>
>That's silly. Once lilo or grub have loaded the kernel, they
>are irrelevent to power management.

That's what I had thought, too. However, my experience is that, if
the only change I do is to switch from LILO to Grub or vice versa, it
changes what happens when I run poweroff. I have no explanation for
that, but that's what I observe.

- anton
--
M. Anton Ertl Some things have to be seen to be believed
anton@mips.complang.tuwien.ac.at Most things have to be believed to be seen
http://www.complang.tuwien.ac.at/anton/home.html

On Wed, 17 May 2006 13:33:48 +0000, AZ Nomad wrote:

> On Tue, 16 May 2006 14:35:47 GMT, Anton Ertl
> <anton@mips.complang.tuwien.ac.at> wrote:
>
>>My experience is that LILO systems stay on and Grub systems power off
>>(that's the only reason why I use Grub). I have no idea why.
>
> That's silly. Once lilo or grub have loaded the kernel, they are
> irrelevent to power management.

However the act of /loading/ Grub or lilo into memory can overwrite the
ACPI tables on some buggy implementations (before the OS can copy them).
So thinking that a boot loader can affect power management is not so silly
after all.

--
Ben Measures
$email =~ s/is@silly/@/

On Wed, 17 May 2006 14:23:35 GMT, Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:


>AZ Nomad <aznomad@PmunOgeBOX.com> writes:
>>On Tue, 16 May 2006 14:35:47 GMT, Anton Ertl <anton@mips.complang.tuwien.ac.at> wrote:
>>>My experience is that LILO systems stay on and Grub systems power off
>>>(that's the only reason why I use Grub). I have no idea why.
>>
>>That's silly. Once lilo or grub have loaded the kernel, they
>>are irrelevent to power management.

>That's what I had thought, too. However, my experience is that, if
>the only change I do is to switch from LILO to Grub or vice versa, it
>changes what happens when I run poweroff. I have no explanation for
>that, but that's what I observe.

They you're either not running the same kernel, initrd, or kernel params.
If you were, the results would be exactly the same.

On Wed, 17 May 2006 14:54:36 GMT, Ben Measures <saint_abroadis@sillyhotmail.com> wrote:


>On Wed, 17 May 2006 13:33:48 +0000, AZ Nomad wrote:

>> On Tue, 16 May 2006 14:35:47 GMT, Anton Ertl
>> <anton@mips.complang.tuwien.ac.at> wrote:
>>
>>>My experience is that LILO systems stay on and Grub systems power off
>>>(that's the only reason why I use Grub). I have no idea why.
>>
>> That's silly. Once lilo or grub have loaded the kernel, they are
>> irrelevent to power management.

>However the act of /loading/ Grub or lilo into memory can overwrite the
>ACPI tables on some buggy implementations (before the OS can copy them).
>So thinking that a boot loader can affect power management is not so silly
>after all.

There are no ACPI tables in memory when grub/lilo run. The acpi tables
are created when the ACPI driver loads.

Or perhaps you don't know the difference between a table in memory and
a registers on a device?

A 16-05-2006 15:35, Anton Ertl escreveu:
> "Nuno J. Silva (aka NJSG)" <nunojsg@gmail.com> writes:
>
>>When I power it down, it stays powered on, as if the motherboard was not
>>able to power off the computer (it writes a line saying "Power off" (or
>>"Power down?")). When I had Fedora Core installed, this didn't happen -
>>the computer was powered off automatically.
>
>
> My experience is that LILO systems stay on and Grub systems power off
> (that's the only reason why I use Grub). I have no idea why.
>

I'm using GRUB.
As I didn't find /proc/acpi/info, I'll reconfigure and recompile Linux.

>
>>I'm also
>>not able to use the display power saving settings: setting a delay to
>>activate Standby and Suspend does not work (the display continues
>>showing a black screen and the led stills green).
>
>
> This worked for me with earlier X servers, but not with more recent
> ones (IIRC since XFree 4). No idea how to fix it.
>
> - anton

I changed my xorg.conf as suggested in
http://gentoo-wiki.com/HOWTO_Automat...f_your_monitor
and it's now working.

(I can't find /proc/acpi/info (I'm sure I've checked ACPI during
menuconfig... but I'll double check), but it worked.)

--
Nuno J. Silva (aka NJSG)
Lisbon, Portugal
Homepage: <http://njsg.no.sapo.pt/>
Registered Linux User #402207 - http://counter.li.org

Using Mozilla Thunderbird 1.0.7
Gentoo Linux -- Linux 2.6.15-gentoo-r1 i686 Mobile Pentium II
Intel Pentium II (80686) Deschutes - 334Mhz -- 256 Mbs SDRAM
Intel Mobile Pentium II (80686) - 300 Mhz -- 64 Mbs SDRAM
Intel Pentium (80586) - 166 Mhz -- 32 Mbs RAM

-=-=-
``Remember, there's nothing bad that happens that isn't somehow good for
lawyers.''
-- James George

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFEa3Pm8uhttueYbMMRAht5AJ0abZHVbOJGEIlr0CgfW2 SdStcr4QCeLPSZ
94wrP4Lhy3igQcyLAw7M4AM=
=RRbc
-----END PGP SIGNATURE-----

On Wed, 17 May 2006 15:15:41 +0000, AZ Nomad wrote:

> There are no ACPI tables in memory when grub/lilo run. The acpi tables
> are created when the ACPI driver loads.

You don't know what you're talking about.

The BIOS puts ACPI tables into main memory whilst booting. The ACPI driver
reads these tables when called. Between the ACPI driver being called and
the BIOS booting, a bootloader is placed into memory and executed.

Excerpts from <http://www.intel.com/technology/iapc/acpi/faq.htm>:
> [...]
> The ACPI system firmware describes the system's characteristics by
> placing data, organized into tables, into main memory.
> [...]
> System designers describe their system in ASL. It is then compiled into
> AML, and included in the system's flash BIOS. Then, on boot, the BIOS
> startup code copies it into RAM, where it can be interpreted by the OS's
> ACPI AML interpreter.

There you go. I've saved you from reading 602 pages of the ACPI spec
<http://www.acpi.info/DOWNLOADS/ACPIspec30.pdf>. Now, stop arguing about
what you don't know.

HAND,
--
Ben Measures
$email =~ s/is@silly/@/