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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