linux-kernel - Re: BIOS bug, APIC version is 0 for CPU#0!

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Date:	Wed, 23 Apr 2008 22:54:07 +0200
From:	Gabriel C <nix.or.die@...glemail.com>
To:	Justin Mattock <justinmattock@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: BIOS bug, APIC version is 0 for CPU#0!

Justin Mattock wrote:
> On Wed, Apr 23, 2008 at 12:14 PM, Gabriel C <nix.or.die@...glemail.com> wrote:
>> Hi,
>>
>>  I've just compiled latest linus git tree and getting now on an Q9300 Core2Quad , ASUS P5E-VM DO motherboard with BIOS Ver. 0606 , BIOS Rev. 8.12
>>  the BIOS bug for CPU#0 message for each processor ?!? That seems somewhat buggy ?:)
>>
>>  That BIOS version is beta and may be really buggy but I never got such a message on 2.6.24* nor on 2.6.25.
>>
>>
>>  --($:~)-- uname -a
>>  Linux thor 2.6.25-03530-g94bc891 #773 SMP PREEMPT Wed Apr 23 13:55:10 CEST 2008 i686 GNU/Linux
>>
>>
>>  ..
>>
>>  [    0.000000] ACPI: PM-Timer IO Port: 0x808
>>  [    0.000000] ACPI: Local APIC address 0xfee00000
>>  [    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
>>  [    0.000000] BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor)
>>  [    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
>>  [    0.000000] BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor)
>>  [    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
>>  [    0.000000] BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor)
>>  [    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
>>  [    0.000000] BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor)
>>  [    0.000000] ACPI: IOAPIC (id[0x04] address[0xfec00000] gsi_base[0])
>>  [    0.000000] IOAPIC[0]: apic_id 4, version 32, 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 high level)
>>  [    0.000000] ACPI: IRQ0 used by override.
>>  [    0.000000] ACPI: IRQ2 used by override.
>>  [    0.000000] ACPI: IRQ9 used by override.
>>  [    0.000000] Enabling APIC mode:  Flat.  Using 1 I/O APICs
>>  [    0.000000] ACPI: HPET id: 0xffffffff base: 0xfed00000
>>  [    0.000000] Using ACPI (MADT) for SMP configuration information
>>
>>  ...
>>
>>  Please let me know if you need more infos , dmesg , config etc .
>>
..
> 
> Hello; I'm receiving the same thing, I received a response and it
> seems that isn't a problem? "I dont know"
> But if you're like me  "maticulous"; things like that will bug me all day long.
> besides that, are you receiving any freezes at all?, I'm unable to use
> that kernel due to the freezes that it's giving me.?
> regards;
> 

The kernel seems to work fine I don't have any kind freezes or crashes on that box.

Gabriel
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