From: "Ruslán Ledesma Garza" <ruslanledesmagarza@xxxxxxxxx>
To: "Ruslán Ledesma Garza" <ruslanledesmag@xxxxxxxxxxx>
CC: len.brown@xxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx
Subject: Re: ACPI not working on DELL Inspiron 1150
Date: Sun, 9 Jul 2006 20:30:07 -0500
On 7/9/06, Ruslán Ledesma Garza <ruslanledesmag@xxxxxxxxxxx> wrote:
>From: "Brown, Len" <len.brown@xxxxxxxxx>
>To: Ruslán Ledesma Garza
><ruslanledesmag@xxxxxxxxxxx>,<linux-acpi@xxxxxxxxxxxxxxx>
>Subject: RE: ACPI not working on DELL Inspiron 1150
>Date: Sun, 9 Jul 2006 17:10:45 -0400
>
>
> >Hi. I'm a newbie to linux, but I've been getting this problem ever
> >since I installed it on my computer (I've already tested Fedora Core 5
> >and Ubuntu 6, both having the same problem).
> >
> >1) I first discovered that my laptop display didn't turn off when the
> >lid was closed (I can tell because I can see the glare of the display
> >through a gap). So I started investigating and found that the lid
> >event is not triggered whenever I close/open the lid (using
> >acpi_listen). But the weirdest part is that the event is reported when
> >doing "cat /proc/acpi/button/lid/LID/state".
>
>is the video driver loaded (drivers/acpi/video.c)
When doing "lsmod", response is "video 16260 0", so I
think answer is yes.
>
> >2) Then I realized no events are reported through acpi_listen, except
> >for "ac_adapter" event which occurs after resuming the laptop from
> >hibernation.
>
>How about power button events?
No other events rather than ac_adapter are reported, including button
events.
>
> >3) I've also found that sometimes the computer freezes when resuming
> >from hibernation (I can only confirm this under Ubuntu, I can't
> >remember what happens with Fedora).
> >
> >4) Finally, for some reason gnome power manager doesn't put into
> >hibernation my computer when battery is too low (the only time I
> >tested this was under Ubuntu) and simply runs out of battery.
> >
> >Since #'s 1 & 2 have ocurred under Fedora and Ubuntu, I assume there
> >is some low level problem/incompatibility of ACPI with my computer's
> >hardware. Everything works fine under WinXP, and to me power
> >management is a must for my laptop.
> >
> >I've read some stuff about DST's, but sincerelly I didn't undestand
> >much (ie. where does this DST reside? Is it a firmware?),
>
>modified DSDT's are a debugging tool only -- not a path to a "real fix".
>Linux should work properly on your laptop without any modifications
>to the firmware. (though it might be a good idea to check with Dell
>to make sure you're running the latest).
Last time I checked (about 3 weeks ago) the bios firmware was the latest
("A07"). By the way, are DSDT's firmwares then?
>
> >but I wonder
> >if the fact that my DST says "MSFT" could be the cause of ACPI not
> >working propertly.
>
>:-) This means it was built with the MSFT ASL compiler. Sometimes
>that is an issue, but we try to handle those issues and re-building
>the firmwarwe with Intel's compiler is okay for debugging, but not
>supportable.
>
>build with CONFIG_ACPI_DEBUG=y and see if any new dmesg come out.
>You can also boot with "acpi=strict" if you want to see if
>Linux is already working around issues in your DSDT.
I've already tried to build my DSDT using Intel's compiler. It showed
several errors (can't remember which ones, but I can do it again if this
can
help). I think I fixed them, but could never get to install the modified
DSDT.
What can I do?
>
>-Len
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