unexpected IO-APIC

Nick Gaugler
2003-02-27T08:14:15Z

I am running the following configuration:
Super Micro X5DPR-8G2 Motherboard
(http://www.supermicro.com/PRODUCT/MotherBoards/E7501/X5DPR-8G2.htm)
1 P4 Xeon 2.4Ghz 533Mhz FSB with Hyper Threading 2GB DDR226
ECC Registered RAM
Linux 2.4.20 (ftp.kernel.org)

CPU: L1 I cache: 0K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: bfebfbff 00000000 00000000 00000000
CPU: Common caps: bfebfbff 00000000 00000000 00000000
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
CPU: L1 I cache: 0K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: bfebfbff 00000000 00000000 00000000
CPU: Common caps: bfebfbff 00000000 00000000 00000000
CPU0: Intel(R) Xeon(TM) CPU 2.40GHz stepping 07
per-CPU timeslice cutoff: 1462.99 usecs.
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Booting processor 1/1 eip 2000
Initializing CPU#1
masked ExtINT on CPU#1
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
Calibrating delay loop... 4797.23 BogoMIPS
CPU: L1 I cache: 0K, L1 D cache: 8K
CPU: L2 cache: 512K
CPU: Physical Processor ID: 0
Intel machine check reporting enabled on CPU#1.
CPU: After generic, caps: bfebfbff 00000000 00000000 00000000
CPU: Common caps: bfebfbff 00000000 00000000 00000000
CPU1: Intel(R) Xeon(TM) CPU 2.40GHz stepping 07
Total of 2 processors activated (9581.36 BogoMIPS). cpu_sibling_map[0] =
1 cpu_sibling_map[1] = 0 ENABLING IO-APIC IRQs Setting 2 in the
phys_id_present_map ....changing IO-APIC physical APIC ID to 2 ... ok.
Setting 3 in the phys_id_present_map ....changing IO-APIC physical APIC
ID to 3 ... ok. Setting 4 in the phys_id_present_map ....changing
IO-APIC physical APIC ID to 4 ... ok. init IO_APIC IRQs IO-APIC
(apicid-pin) 2-0, 2-10, 2-11, 2-17, 2-20, 2-21, 2-22, 2-23, 3-0, 3-1,
3-2, 3-3, 3-6, 3-7, 3-8, 3-9, 3-10, 3-11, 3-12, 3-13, 3-14, 3-15, 3-16,
3-17, 3-18, 3-19, 3-20, 3-21, 3-22, 3-23, 4-0, 4-1, 4-2, 4-3, 4-4, 4-5,
4- 8, 4-9, 4-10, 4-11, 4-12, 4-13, 4-14, 4-15, 4-16, 4-17, 4-18, 4-19,
4-20, 4-21, 4-22, 4-23 not connected.
...TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 22.
number of IO-APIC #2 registers: 24.
number of IO-APIC #3 registers: 24.
number of IO-APIC #4 registers: 24.
testing the IO APIC.......................

IO APIC #2......
..... register #00: 02008000
........ : physical APIC id: 02
WARNING: unexpected IO-APIC, please mail
to linux-smp@vger.kernel.org
..... register #01: 00178020
........ : max redirection entries: 0017
........ : PRQ implemented: 1
........ : IO APIC version: 0020
..... register #02: 00000000
........ : arbitration: 00
..... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 003 03 0 0 0 0 0 1 1 39
02 003 03 0 0 0 0 0 1 1 31
03 003 03 0 0 0 0 0 1 1 41
04 003 03 0 0 0 0 0 1 1 49
05 003 03 0 0 0 0 0 1 1 51
06 003 03 0 0 0 0 0 1 1 59
07 003 03 0 0 0 0 0 1 1 61
08 003 03 0 0 0 0 0 1 1 69
09 003 03 0 0 0 0 0 1 1 71
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 003 03 0 0 0 0 0 1 1 79
0d 003 03 0 0 0 0 0 1 1 81
0e 003 03 0 0 0 0 0 1 1 89
0f 003 03 0 0 0 0 0 1 1 91
10 003 03 1 1 0 1 0 1 1 99
11 000 00 1 0 0 0 0 0 0 00
12 003 03 1 1 0 1 0 1 1 A1
13 003 03 1 1 0 1 0 1 1 A9
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00

IO APIC #3......
..... register #00: 03000000
........ : physical APIC id: 03
..... register #01: 00178020
........ : max redirection entries: 0017
........ : PRQ implemented: 1
........ : IO APIC version: 0020
..... register #02: 03000000
........ : arbitration: 03
..... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 000 00 1 0 0 0 0 0 0 00
02 000 00 1 0 0 0 0 0 0 00
03 000 00 1 0 0 0 0 0 0 00
04 003 03 1 1 0 1 0 1 1 B1
05 003 03 1 1 0 1 0 1 1 B9
06 000 00 1 0 0 0 0 0 0 00
07 000 00 1 0 0 0 0 0 0 00
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 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00
10 000 00 1 0 0 0 0 0 0 00
11 000 00 1 0 0 0 0 0 0 00
12 000 00 1 0 0 0 0 0 0 00
13 000 00 1 0 0 0 0 0 0 00
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00

IO APIC #4......
..... register #00: 04000000
........ : physical APIC id: 04
..... register #01: 00178020
........ : max redirection entries: 0017
........ : PRQ implemented: 1
........ : IO APIC version: 0020
..... register #02: 04000000
........ : arbitration: 04
..... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 000 00 1 0 0 0 0 0 0 00
02 000 00 1 0 0 0 0 0 0 00
03 000 00 1 0 0 0 0 0 0 00
04 000 00 1 0 0 0 0 0 0 00
05 000 00 1 0 0 0 0 0 0 00
06 003 03 1 1 0 1 0 1 1 C1
07 003 03 1 1 0 1 0 1 1 C9
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 000 00 1 0 0 0 0 0 0 00
0f 000 00 1 0 0 0 0 0 0 00
10 000 00 1 0 0 0 0 0 0 00
11 000 00 1 0 0 0 0 0 0 00
12 000 00 1 0 0 0 0 0 0 00
13 000 00 1 0 0 0 0 0 0 00
14 000 00 1 0 0 0 0 0 0 00
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 000 00 1 0 0 0 0 0 0 00
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ5 -> 0:5
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ9 -> 0:9
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ18 -> 0:18
IRQ19 -> 0:19
IRQ28 -> 1:4
IRQ29 -> 1:5
IRQ54 -> 2:6
IRQ55 -> 2:7
..................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
...... CPU clock speed is 2399.3442 MHz.
...... host bus clock speed is 133.2968 MHz.
cpu: 0, clocks: 1332968, slice: 444322
CPU0<T0:1332960,T1:888624,D:14,S:444322,C:1332968>
cpu: 1, clocks: 1332968, slice: 444322
CPU1<T0:1332960,T1:444304,D:12,S:444322,C:1332968>
checking TSC synchronization across CPUs: passed.
Waiting on wait_init_idle (map = 0x2)
All processors have done init_idle

Please let me know what to do to rectify this warning, also CC me in all
replies, I am not subscribed to the list.

Nick