Messages in this thread | | | Subject | Re: BUG lapic: Can't boot on battery (2.6.21-rc{1,2,3,4}) | From | Thomas Gleixner <> | Date | Wed, 21 Mar 2007 12:14:26 +0100 |
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On Wed, 2007-03-21 at 11:37 +0100, Andi Kleen wrote: > > The BIOS/ACPI is broken and does only expose C1, which should not switch > > off LAPIC. The BIOS is switching into deeper C-States behind the kernels > > back somehow. > > Hmm, perhaps we can check AMD && (cstate >= 2 || has a battery) ? > Should be doable by looking up the battery object in ACPI
Which makes us rely on another ACPI feature. What guarantees that the ACPI tables are correct for this one ?
tglx
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