Power button events unavailable after resume

Power button events unavailable after resume

[Andrew Barr]

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Recently, I have been unable to get power button events from my notebook after 
a Software Suspend 2 (version 2.1-rc1) resume without removing and 
re-inserting the ACPI button driver. Pressing the power button has no effect, 
but pressing it and then reloading the driver causes an event to be 
triggered. It is like the events are "queued", and are written 
to /proc/acpi/event after I reload the driver. My BIOS has not changed in a 
long time, this behavior started a long time after my last BIOS upgrade. I am 
using the latest ACPI patch (20040816) to kernel 2.6.8.1. Does anyone know 
what could be causing this, or, better yet, what I can do to fix it?

Andrew

P.S. My DSDT is for BIOS A07 of the Dell Inspiron 300m, available at:
http://acpi.sourceforge.net/dsdt/view.php?id=218

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Re: Power button events unavailable after resume

[Karol Kozimor]

Thus wrote Andrew Barr:
> Recently, I have been unable to get power button events from my notebook after 
> a Software Suspend 2 (version 2.1-rc1) resume without removing and 
> re-inserting the ACPI button driver. Pressing the power button has no effect, 

Make sure you're using the ACPI S4 option.
Best regards,

-- 
Karol 'sziwan' Kozimor
sziwan-DETuoxkZsSqrDJvtcaxF/A@public.gmane.org


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Re: Power button events unavailable after resume

[Pavel Machek]

Hi!

> Recently, I have been unable to get power button events from my notebook after 
> a Software Suspend 2 (version 2.1-rc1) resume without removing and 

Try again with vanilla kernel and "platform" powerdown method.

-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!


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Re: Power button events unavailable after resume

[Andrew Barr]

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On Sunday 17 October 2004 04:21 pm, Pavel Machek wrote:
> Hi!
>
> > Recently, I have been unable to get power button events from my notebook
> > after a Software Suspend 2 (version 2.1-rc1) resume without removing and
>
> Try again with vanilla kernel and "platform" powerdown method.

Thanks for the suggestion. Earlier you suggested turning on ACPI S4 support. 
This seems to fix my problem. With recent versions of Software Suspend 2, S4 
support has moved from a compile option to a /proc entry, so it wasn't 
getting used by default. Adding a script to turn it on fixed my button issue.

Thanks,
Andrew
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Re: Power button events unavailable after resume

[Stefan Seyfried]

On Mon, Oct 18, 2004 at 10:58:36AM -0400, Andrew Barr wrote:

> On Sunday 17 October 2004 04:21 pm, Pavel Machek wrote:
>
> > Try again with vanilla kernel and "platform" powerdown method.
> 
> Thanks for the suggestion. Earlier you suggested turning on ACPI S4 support. 
> This seems to fix my problem. With recent versions of Software Suspend 2, S4 
> support has moved from a compile option to a /proc entry, so it wasn't 
> getting used by default. Adding a script to turn it on fixed my button issue.

BTW: swsusp1 "platform" method is basically the same as swsusp2 "S4" wrt
     powerdown.
-- 
Stefan Seyfried



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