Re: /proc/cpuinfo and hyperthreading

Dave Jones (davej@codemonkey.org.uk)
Mon, 16 Dec 2002 14:08:10 +0000

On Sun, Dec 15, 2002 at 10:58:12PM -0500, Scott Robert Ladd wrote:
> During boot, the system reports:
> Dec 15 14:30:34 Tycho kernel: ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00]
> enabled)
> Dec 15 14:30:34 Tycho kernel: Processor #0 15:2 APIC version 16
> Dec 15 14:30:34 Tycho kernel: ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01]
> enabled)
> Dec 15 14:30:34 Tycho kernel: Processor #1 15:2 APIC version 16
> Dec 15 14:30:34 Tycho kernel: Building zonelist for node : 0

Looks like you're either missing some ACPI config options, or
you haven't updated the BIOS yet. On 2.5.51 with latest BIOS on
the same box, I get..

Dec 12 16:28:55 tetrachloride kernel: Processor #1 15:2 APIC version 16
Dec 12 16:28:55 tetrachloride kernel: ACPI: LAPIC_NMI (acpi_id[0x01] polarity[0x0] trigger[0x0] lint[0x1])
Dec 12 16:28:55 tetrachloride kernel: ACPI: LAPIC_NMI (acpi_id[0x02] polarity[0x0] trigger[0x0] lint[0x1])
Dec 12 16:28:55 tetrachloride kernel: ACPI: IOAPIC (id[0x02] address[0xfec00000] global_irq_base[0x0])
Dec 12 16:28:55 tetrachloride kernel: IOAPIC[0]: Assigned apic_id 2
Dec 12 16:28:55 tetrachloride kernel: IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, IRQ 0-23
Dec 12 16:28:55 tetrachloride kernel: ACPI: INT_SRC_OVR (bus[0] irq[0x9] global_irq[0x9] polarity[0x1] trigger[0x3])
Dec 12 16:28:55 tetrachloride kernel: ACPI: INT_SRC_OVR (bus[0] irq[0x0] global_irq[0x2] polarity[0x0] trigger[0x0])
Dec 12 16:28:55 tetrachloride kernel: Using ACPI (MADT) for SMP configuration information
Dec 12 16:28:55 tetrachloride kernel: Building zonelist for node: 0

Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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