Re: Please help: ACPI not working on DELL Inspiron 1150

[Janosch Machowinski <scotch@tzi.de>]

Is here a sort of mailloop or why is
this mail hitting the list about 5 times ?
Greetings
      Janosch
Ruslán Ledesma Garza schrieb:
> Can anyone give me a hint on how to fix this? Anything would be useful. 
> Am I in the right place for reporting ACPI bugs?
> 
>> >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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