http://bugzilla.kernel.org/show_bug.cgi?id=12035
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |REJECTED
Resolution| |INVALID
------- Comment #20 from [EMAIL PROTECTED] 2008-11-30 19:12 -------
from the dmesg attach above,
whether the AC event is sent or not is determined by the switch "SW2S" in EC
address space.
And in some cases, when AC is unplugged, SW2S is still off and thus no AC event
is sent out, and this is apparently wrong.
Unfortunately, I don't know what SW2S stands for and when it should be
set/cleared. IMO, this is rather a firmware issue than an Linux/ACPI bug.
will you please upgrade your BIOS and see if it's fixed?
BTW, we can workaround this problem easily by using a customized DSDT, if there
is no BIOS upgrade.
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