two power button events on each press

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Hi!

My system seems to be duplicating the acpi power button events and
it's getting two power button events each time I press the power
button, usually this is not a problem as the system will shutdown
normally and this is why I hadn't realised till now, but lately I
changed the power button script to hibernate instead of shutdown and
saw it hibernate twice on each button press.

This only happens when pressing the motherboard's power button, I have
tried attaching an USB keyboard with power button and this one works
OK, I only get the power button event once on each press.

I have tried this using latest Debian kernel, based on 3.0.2 right
now, and also Debian's stable 2.6.32 and it is happening on both.

I don't know what other info could be of interest here, so I'll try to
describe my system the best I can:

It's running Debian unstable amd64 and the motherboard is an Asrock
939SLI-eSATA2 which has the latest bios provided by the manufacturer
(1.50 dated 2006) about the bios the web page of the motherboard says:

- 2Mb AMI BIOS
- AMI Legal BIOS
- Supports "Plug and Play"
- ACPI 1.1 Compliance Wake Up Events
- Supports Jumperfree
- SMBIOS 2.3.1 Support

I believe that this can be a problem with the motherboard or the bios
it has, but I don't know if it could be somehow solved/workarounded on
the kernel. What can I do to help debug/solve this problem?

Regards...
-- 
Manty/BestiaTester -> http://manty.net
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