> Maybe resetting the BIOS to default values mught re-instate normal
> behaviour for a period. I'm not in a position to try it right now.
>
> I can confirm you that if you push the reset button on bottom of the
laptop with a needle (laptop unpowered, than use the power cord to start
it otherwhise will not start) the next boot all the ACPI events are logged
perfectly; all is run wanderfully untill some events that screw up again
the ACPI/BIOS stuff.
I can't track the cause of the corruption right now, but i suspect is
triggered by the suspend itself (maybe when is suspend overnight) i have to
test, but can confirm the trick can solve the problem untill it occur again
(sometimes after few ours, sometimes it last for 3/4 days).
Im on Archlinux:
Linux 0x0000 3.5.5-1-ARCH #1 SMP PREEMPT Tue Oct 2 22:30:55 CEST 2012
> x86_64 GNU/Linux
>
BIOS Information
> Vendor: Phoenix Technologies Ltd.
> Version: P03AAJ
> Release Date: 06/20/2012
> Address: 0xE0000
> Runtime Size: 128 kB
> ROM Size: 3072 kB
> Characteristics:
> PCI is supported
> BIOS is upgradeable
> BIOS shadowing is allowed
> Boot from CD is supported
> Selectable boot is supported
> EDD is supported
> Print screen service is supported (int 5h)
> 8042 keyboard services are supported (int 9h)
> Serial services are supported (int 14h)
> Printer services are supported (int 17h)
> CGA/mono video services are supported (int 10h)
> NEC PC-98
>
ACPI is supported
> USB legacy is supported
> BIOS boot specification is supported
> Function key-initiated network boot is supported
> Targeted content distribution is supported
> UEFI is supported
> BIOS Revision: 0.1
>
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https://bugs.launchpad.net/bugs/971061
Title:
acpi reports battery state incorrectly
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