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SubjectRe: BUG lapic: Can't boot on battery (2.6.21-rc{1,2,3,4})
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On Wed, 2007-03-21 at 14:04 +0100, Stefan Prechtel wrote:
> I uploaded the output of dmesg (kernel 2.6.21-rc4-git5) (battery / ac)
> and dmidecode
> I can boot on battery with nolapic_timer and the second core is online, too.
> /proc/acpi/processor/C000/ shows the same as before but
> /proc/interrupts has changed:
>
> (battery)
> CPU0 CPU1
> 0: 47131 0 local-APIC-edge-fasteoi timer
> LOC: 0 46978
>
> (ac)
> CPU0 CPU1
> 0: 59137 0 local-APIC-edge-fasteoi timer
> LOC: 0 58984

That's correct. We keep the PIT alive and trigger the lapic timer
interrupt via an IPI.

tglx


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