I'm having similar messages, about 2-3 per day.
So far I saw these variants:
APIC error on CPU0: 00(04)
APIC error on CPU0: 00(02)
APIC error on CPU0: 02(02)
APIC error on CPU0: 02(04)
APIC error on CPU0: 04(02)
This is a Abit VP6, with 1 Celeron 433(66).
(machine passes memtest).
What does this mean?
Note that everything seems to go on fine, no hangups etc.
Balazs Pozsar.
On Thu, 1 Mar 2001, Chaskiel M Grundman wrote:
> I have some single-processr Dell Poweredge 2450 servers that I'm trying
> to move to 2.4. They have been running 2.2 SMP kernels for a while with
> no problem (to take advantage of the supposed benefit of using the
> ioapic).
>
> 2.4 SMP kernels seem to work fine, but using a 2.4.1 or 2.4.2 UP kernel
> with CONFIG_X86_UP_IOAPIC does not. At some point before the real root
> filesystem is mounted, the system begins spewing
>
> APIC error on CPU0: 08(08)
>
> at a high rate and eventually either locks up, or is killed by the
> watchdog nmi (at which point control-alt-delete _works_)
>
> 2450's use a serverworks chipset. I don't know what other information
> might be useful...
>
> Here's an excerpt of the SMP 2.4.2 dmesg output, in case it's of any use:
>
> ENABLING IO-APIC IRQs
> ...changing IO-APIC physical APIC ID to 1 ... ok.
> ...changing IO-APIC physical APIC ID to 2 ... ok.
> Synchronizing Arb IDs.
> init IO_APIC IRQs
> IO-APIC (apicid-pin) 1-0, 1-2, 1-3, 1-5, 1-10, 1-11, 1-13, 2-3, 2-8,
> 2-9, 2-10,
> 2-11, 2-12, 2-13 not connected.
> ..TIMER: vector=49 pin1=-1 pin2=0
> ...trying to set up timer (IRQ0) through the 8259..... (found pin 0) ...works.
> activating NMI Watchdog ... done.
> number of MP IRQ sources: 27.
> number of IO-APIC #1 registers: 16.
> number of IO-APIC #2 registers: 16.
> testing the IO APIC.......................
>
> IO APIC #1......
> .... register #00: 01000000
> ....... : physical APIC id: 01
> .... register #01: 000F0011
> ....... : max redirection entries: 000F
> ....... : IO APIC version: 0011
> .... register #02: 00000000
> ....... : arbitration: 00
> .... IRQ redirection table:
> NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
> 00 001 01 0 0 0 0 0 1 1 31
> 01 001 01 0 0 0 0 0 1 1 39
> 02 000 00 1 0 0 0 0 0 0 00
> 03 000 00 1 0 0 0 0 0 0 00
> 04 001 01 0 0 0 0 0 1 1 41
> 05 000 00 1 0 0 0 0 0 0 00
> 06 001 01 0 0 0 0 0 1 1 49
> 07 001 01 0 0 0 0 0 1 1 51
> 08 001 01 0 0 0 0 0 1 1 59
> 09 001 01 0 0 0 0 0 1 1 61
> 0a 000 00 1 0 0 0 0 0 0 00
> 0b 000 00 1 0 0 0 0 0 0 00
> 0c 001 01 0 0 0 0 0 1 1 69
> 0d 000 00 1 0 0 0 0 0 0 00
> 0e 001 01 0 0 0 0 0 1 1 71
> 0f 001 01 0 0 0 0 0 1 1 79
> IO APIC #2......
> .... register #00: 02000000
> ....... : physical APIC id: 02
> .... register #01: 000F0011
> ....... : max redirection entries: 000F
> ....... : IO APIC version: 0011
> .... register #02: 02000000
> ....... : arbitration: 02
> .... IRQ redirection table:
> NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
> 00 001 01 1 1 0 1 0 1 1 81
> 01 001 01 1 1 0 1 0 1 1 89
> 02 001 01 1 1 0 1 0 1 1 91
> 03 000 00 1 0 0 0 0 0 0 00
> 04 001 01 1 1 0 1 0 1 1 99
> 05 001 01 1 1 0 1 0 1 1 A1
> 06 001 01 1 1 0 1 0 1 1 A9
> 07 001 01 1 1 0 1 0 1 1 B1
> 08 000 00 1 0 0 0 0 0 0 00
> 09 000 00 1 0 0 0 0 0 0 00
> 0a 000 00 1 0 0 0 0 0 0 00
> 0b 000 00 1 0 0 0 0 0 0 00
> 0c 000 00 1 0 0 0 0 0 0 00
> 0d 000 00 1 0 0 0 0 0 0 00
> 0e 001 01 1 1 0 1 0 1 1 B9
> 0f 001 01 1 1 0 1 0 1 1 C1
> IRQ to pin mappings:
> IRQ1 -> 1
> IRQ4 -> 4
> IRQ6 -> 6
> IRQ7 -> 7
> IRQ8 -> 8
> IRQ9 -> 9
> IRQ12 -> 12
> IRQ14 -> 14
> IRQ15 -> 15
> IRQ16 -> 0
> IRQ17 -> 1
> IRQ18 -> 2
> IRQ20 -> 4
> IRQ21 -> 5
> IRQ22 -> 6
> IRQ23 -> 7
> IRQ30 -> 14
> IRQ31 -> 15
> .................................... done.
> calibrating APIC timer ...
> ..... CPU clock speed is 731.0440 MHz.
> ..... host bus clock speed is 132.9169 MHz.
> cpu: 0, clocks: 1329169, slice: 664584
> CPU0<T0:1329168,T1:664576,D:8,S:664584,C:1329169>
> Setting commenced=1, go go go
> PCI: PCI BIOS revision 2.10 entry at 0xfc79e, last bus=3
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> PCI: ServerWorks host bridge: last bus ff
> Unknown bridge resource 0: assuming transparent
> Unknown bridge resource 1: assuming transparent
> Unknown bridge resource 2: assuming transparent
> Unknown bridge resource 0: assuming transparent
> Unknown bridge resource 1: assuming transparent
> Unknown bridge resource 2: assuming transparent
> PCI: Discovered primary peer bus 02 [IRQ]
> PCI: Using IRQ router ServerWorks [1166/0200] at 00:0f.0
> PCI->APIC IRQ transform: (B0,I2,P0) -> 20
> PCI->APIC IRQ transform: (B0,I8,P0) -> 22
> PCI->APIC IRQ transform: (B2,I8,P0) -> 16
> [...]
> ServerWorks OSB4: IDE controller on PCI bus 00 dev 79
> ServerWorks OSB4: chipset revision 0
> ServerWorks OSB4: not 100% native mode: will probe irqs later
> ide0: BM-DMA at 0x08b0-0x08b7, BIOS settings: hda:DMA, hdb:pio
> ide1: BM-DMA at 0x08b8-0x08bf, BIOS settings: hdc:pio, hdd:pio
> hda: TOSHIBA CD-ROM XM-7002B, ATAPI CD/DVD-ROM drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> [...]
> VFS: Mounted root (ext2 filesystem).
> SCSI subsystem driver Revision: 1.00
> kmod: failed to exec /sbin/modprobe -s -k scsi_hostadapter, errno = 2
> megaraid: v107 (December 22, 1999)
> megaraid: found 0x8086:0x1960: in 00:02.1
> scsi0 : Found a MegaRAID controller at 0xf8820000, IRQ: 20
> megaraid: [1.01:1p00] detected 1 logical drives
> [..]
>
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