Re: 2.6.33-rc1: 6 Processors exceeds NR_CPUS limit of 4

From: Yinghai Lu
Date: Sat Dec 26 2009 - 00:48:00 EST


On Fri, Dec 25, 2009 at 9:44 AM, Tvrtko Ursulin <tvrtko@xxxxxxxxxxx> wrote:
>
> Hi,
>
> Just noticed this message in dmesg. What is this about? Machine is supposed to
> have a dual core CPU "unlocked" to four cores and it works like that without
> any visible problems so far:

[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x84] disabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x85] disabled)
[ 0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 4, version 33, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8300 base: 0xfed00000
[ 0.000000] 6 Processors exceeds NR_CPUS limit of 4

MADT has two disable entries...

YH
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