http://bugzilla.kernel.org/show_bug.cgi?id=14529
Zhang Rui <rui.zh...@intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |CLOSED
Resolution| |DOCUMENTED
--- Comment #29 from Zhang Rui <rui.zh...@intel.com> 2010-02-21 06:48:39 ---
Name (FSTA, 0x00)
PowerResource (PF0, 0x00, 0x0000)
{
Method (_STA, 0, NotSerialized)
{
If (LOr (FSTA, 0x01))
{
Return (One)
}
Else
{
Return (Zero)
}
}
Method (_ON, 0, NotSerialized)
{
...
Or (FSTA, 0x01, FSTA)
...
}
Method (_OFF, 0, NotSerialized)
{
...
And (FSTA, Not (0x01), FSTA)
...
}
}
this is a BIOS problem that the fan device reported uninitiated state.
we need to use acpi.power_nocheck to control ACPI fan devices.
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