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oregonshoegazer
Tux's lil' helper
Tux's lil' helper


Joined: 09 May 2002
Posts: 84

PostPosted: Tue May 28, 2002 2:50 pm    Post subject: power down problems Reply with quote

hi folks,

i have a problem with my laptop when i halt linux, i get the "Power down." command, but simply pressing the power button on my machine doesn't turn the machine off as expected. instead, i have to hold the power button down for a few seconds. any idea what mechanism is controlling this?

thanks.
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lasa
n00b
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Joined: 17 May 2002
Posts: 63
Location: Stockholm, Sweden

PostPosted: Tue May 28, 2002 2:54 pm    Post subject: Reply with quote

Have you switched on APM in the kernel? It really should shut the laptop off by itself, without you having to push the power button at all. There is a kernel option that you can switch on if you have a "buggy" APM BIOS that might help you with the shutting down part.

-lasa-
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f.kater
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Joined: 23 May 2002
Posts: 330
Location: Berlin

PostPosted: Tue May 28, 2002 3:43 pm    Post subject: Reply with quote

Hi lasa,

I had the same problem some days ago (but not with a laptop). Read newbies -> "searching command like power off / no poweroff".
Here is a short summary: There are two standards for powermanagement: ACPI or APM. For a proper power off you have got to do the following things:
(1) figure out what your laptop supports: ACPI or APM (if it is an older laptop it might be APM)
(2) you probably have to recompile your kernel. this is not that hard as someone may think. Here you select ACPI support (or APM support). Be sure not to switch on both (this was my mistake).

These hints are hints from a newbie - but on my computer it worked that way.
Good luck
Felix
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fghellar
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Joined: 10 Apr 2002
Posts: 856
Location: Porto Alegre, BR

PostPosted: Tue May 28, 2002 7:28 pm    Post subject: Reply with quote

f.kater wrote:
These hints are hints from a newbie

This is the way to go! :) http://www.theregister.co.uk/content/4/23245.html
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lx
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Joined: 28 May 2002
Posts: 1012
Location: Netherlands

PostPosted: Wed May 29, 2002 11:00 am    Post subject: Reply with quote

:!: With the acpi patch used in the gentoo-source-r5 or latest, my computer doesn't shutdown, well heck it doesn't even power up, (Asus motherbord), you need a later acpi patch to fix that problem.
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pjp
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Joined: 16 Apr 2002
Posts: 16090
Location: Colorado

PostPosted: Wed May 29, 2002 3:13 pm    Post subject: Reply with quote

I think I have apm compiled (whichever my BIOS supports). I just haven't bothered to figureout why
it doesn't actually power off. I find it is easier to move my arm 12 inches that figure it out. :wink:
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lx
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Joined: 28 May 2002
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PostPosted: Wed May 29, 2002 10:40 pm    Post subject: Reply with quote

You lazy ass sun of a #$%*&$%, damn 12 inches, well well......, damn, you're probably right. :D
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