Re: ACPI + Laptop Power Management

[Micha Feigin <michf-+lLcF8/aw9x6auLlOhE+pQ@public.gmane.org>]

On Fri, Nov 21, 2003 at 03:44:44PM +0100, Luca Capello wrote:
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> Hello Micha,
> 
> on 11/21/03 14:53, Micha Feigin wrote:
> | If you are using acpi look into acpid to be able to act upon acpi
> | events.
> | I this case, with acpid not running do (assuming you do have acpi
> | support, otherwise you won't see this file)
> | cat /proc/acpi/event
> | and pull out your power cord and then reinsert it. If you are getting
> | ACAD or BAT or somesuch thing messages then everything is ok (I don't
> | know how to do this with apm) and you can use acpid to run the
> | laptopmode script whenever your power is connected/disconnected.
> yes, I can, I mean, I had already checked for this event (AC-adapter)
> and it works :-) BTW, for those who don't know, I'm using an ASUS M3N
> (Centrino) with the latest BIOS available (0205A released 20031117).
> I've just a little problem and I'm going to inform this list ASAP (I
> need some tests before).
> 
> | Will look into it.
> Thank you very much!
> 

Someone already answeared that, but I looked into it and ext3 already
takes into account the entries in bdflush to postpone flushing when in
laptop mode (I haven't checked if it checks for laptop mode to do that
but I doubt).
I read in the descripition that ext3 was already handled, but the code
was in the jbd directory and not the ext3 directory, and since I haven't
bothered with ext3 before (I am currently using reiserfs) I thought it
was related to something else.
If anyone wants a similar patch against reiserfs, I got one (if someone
can point me in the right direction to post it so that it can be
reviewed and put into the kernel it will also be nice - is lkml the
place?).

> Thx, bye,
> Gismo / Luca
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