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SubjectProblem determining number of CPUs
Hi,

Linux kernel versions 2.4.18, 2.4.19, 2.4.20pre4 do not determine
correctly the number of CPUs on our system. We see 8 CPUs instead of 4,
however the system works.

Our machine: Dell PowerEdge 6600, 4 Xeon 1400 Mhz, 4GB RAM

I attach /var/log/boot.msg.

------------------------------------------------------------------------
Tibor Nagy
E-mail: nagyt@otpbank.hu
------------------------------------------------------------------------Cannot find map file.
No module symbols loaded.
klogd 1.4.1, log source = ksyslog started.
<4>Linux version 2.4.19 (root@emiir) (gcc version 2.95.3 20010315 (SuSE)) #27 SMP Wed Aug 21 16:10:58 CEST 2002
<6>BIOS-provided physical RAM map:
<4> BIOS-e820: 0000000000000000 - 00000000000a0000 (usable)
<4> BIOS-e820: 0000000000100000 - 00000000dfff0000 (usable)
<4> BIOS-e820: 00000000dfff0000 - 00000000dfffec00 (ACPI data)
<4> BIOS-e820: 00000000dfffec00 - 00000000dffff000 (reserved)
<4> BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
<4> BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved)
<4> BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
<5>2687MB HIGHMEM available.
<5>896MB LOWMEM available.
<4>found SMP MP-table at 000fe710
<4>hm, page 000fe000 reserved twice.
<4>hm, page 000ff000 reserved twice.
<4>hm, page 000f0000 reserved twice.
<4>On node 0 totalpages: 917488
<4>zone(0): 4096 pages.
<4>zone(1): 225280 pages.
<4>zone(2): 688112 pages.
<6>ACPI: Searched entire block, no RSDP was found.
<6>ACPI: RSDP located at physical address c00fdc20
<6>RSD PTR v0 [DELL ]
<4>__va_range(0xfdc34, 0x68): idx=8 mapped at ffff6000
<6>ACPI table found: RSDT v1 [DELL PE6600 0.1]
<4>__va_range(0xfdc64, 0x24): idx=8 mapped at ffff6000
<4>__va_range(0xfdc64, 0x74): idx=8 mapped at ffff6000
<6>ACPI table found: FACP v1 [DELL PE6600 0.1]
<4>__va_range(0xfdcd8, 0x24): idx=8 mapped at ffff6000
<4>__va_range(0xfdcd8, 0xc0): idx=8 mapped at ffff6000
<6>ACPI table found: APIC v1 [DELL PE6600 0.1]
<4>__va_range(0xfdcd8, 0xc0): idx=8 mapped at ffff6000
<6>LAPIC (acpi_id[0x0001] id[0x0] enabled[1])
<6>CPU 0 (0x0000) enabledProcessor #0 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0002] id[0x2] enabled[1])
<6>CPU 1 (0x0200) enabledProcessor #2 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0003] id[0x4] enabled[1])
<6>CPU 2 (0x0400) enabledProcessor #4 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0004] id[0x6] enabled[1])
<6>CPU 3 (0x0600) enabledProcessor #6 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0005] id[0x1] enabled[1])
<6>CPU 4 (0x0100) enabledProcessor #1 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0006] id[0x3] enabled[1])
<6>CPU 5 (0x0300) enabledProcessor #3 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0007] id[0x5] enabled[1])
<6>CPU 6 (0x0500) enabledProcessor #5 Unknown CPU [15:1] APIC version 16
<4>
<6>LAPIC (acpi_id[0x0008] id[0x7] enabled[1])
<6>CPU 7 (0x0700) enabledProcessor #7 Unknown CPU [15:1] APIC version 16
<4>
<6>IOAPIC (id[0x8] address[0xfec00000] global_irq_base[0x0])
<6>IOAPIC (id[0x9] address[0xfec01000] global_irq_base[0x10])
<6>IOAPIC (id[0xa] address[0xfec02000] global_irq_base[0x20])
<6>LAPIC_NMI (acpi_id[0x0001] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0002] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0003] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0004] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0005] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0006] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0007] polarity[0x1] trigger[0x1] lint[0x1])
<6>LAPIC_NMI (acpi_id[0x0008] polarity[0x1] trigger[0x1] lint[0x1])
<6>8 CPUs total
<6>Local APIC address fee00000
<4>__va_range(0xfdd98, 0x24): idx=8 mapped at ffff6000
<4>__va_range(0xfdd98, 0x50): idx=8 mapped at ffff6000
<6>ACPI table found: SPCR v1 [DELL PE6600 0.1]
<4>Enabling the CPU's according to the ACPI table
<4>Intel MultiProcessor Specification v1.4
<4> Virtual Wire compatibility mode.
<4>OEM ID: DELL Product ID: PE 0109 APIC at: 0xFEE00000
<4>I/O APIC #8 Version 17 at 0xFEC00000.
<4>I/O APIC #9 Version 17 at 0xFEC01000.
<4>I/O APIC #10 Version 17 at 0xFEC02000.
<4>Processors: 8
<4>Kernel command line: auto BOOT_IMAGE=linux.2.4.19 ro root=803 reboot=warm
<6>Initializing CPU#0
<4>Detected 1393.503 MHz processor.
<4>Console: colour VGA+ 80x25
<4>Calibrating delay loop... 2778.72 BogoMIPS
<6>Memory: 3623840k/3669952k available (1407k kernel code, 45728k reserved, 416k data, 240k init, 2752448k highmem)
<6>Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
<6>Inode cache hash table entries: 262144 (order: 9, 2097152 bytes)
<4>Mount-cache hash table entries: 65536 (order: 7, 524288 bytes)
<4>Buffer-cache hash table entries: 262144 (order: 8, 1048576 bytes)
<4>Page-cache hash table entries: 524288 (order: 9, 2097152 bytes)
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 0
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<6>Enabling fast FPU save and restore... done.
<6>Enabling unmasked SIMD FPU exception support... done.
<6>Checking 'hlt' instruction... OK.
<4>POSIX conformance testing by UNIFIX
<4>mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
<4>mtrr: detected mtrr type: Intel
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 0
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU0: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>per-CPU timeslice cutoff: 731.23 usecs.
<4>enabled ExtINT on CPU#0
<4>ESR value before enabling vector: 00000040
<4>ESR value after enabling vector: 00000000
<4>Booting processor 1/1 eip 2000
<6>Initializing CPU#1
<4>masked ExtINT on CPU#1
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 0
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU1: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 2/2 eip 2000
<6>Initializing CPU#2
<4>masked ExtINT on CPU#2
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 1
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU2: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 3/3 eip 2000
<6>Initializing CPU#3
<4>masked ExtINT on CPU#3
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 1
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU3: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 4/4 eip 2000
<6>Initializing CPU#4
<4>masked ExtINT on CPU#4
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 2
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU4: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 5/5 eip 2000
<6>Initializing CPU#5
<4>masked ExtINT on CPU#5
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 2
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU5: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 6/6 eip 2000
<6>Initializing CPU#6
<4>masked ExtINT on CPU#6
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 3
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU6: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<4>Booting processor 7/7 eip 2000
<6>Initializing CPU#7
<4>masked ExtINT on CPU#7
<4>ESR value before enabling vector: 00000000
<4>ESR value after enabling vector: 00000000
<4>Calibrating delay loop... 2785.28 BogoMIPS
<7>CPU: Before vendor init, caps: 3febfbff 00000000 00000000, vendor = 0
<6>CPU: L1 I cache: 12K, L1 D cache: 8K
<6>CPU: L2 cache: 256K
<6>CPU: L3 cache: 512K
<6>CPU: Physical Processor ID: 3
<7>CPU: After vendor init, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: After generic, caps: 3febfbff 00000000 00000000 00000000
<7>CPU: Common caps: 3febfbff 00000000 00000000 00000000
<4>CPU7: Intel(R) Xeon(TM) CPU 1.40GHz stepping 01
<6>Total of 8 processors activated (22275.68 BogoMIPS).
<4>cpu_sibling_map[0] = 1
<4>cpu_sibling_map[1] = 0
<4>cpu_sibling_map[2] = 3
<4>cpu_sibling_map[3] = 2
<4>cpu_sibling_map[4] = 5
<4>cpu_sibling_map[5] = 4
<4>cpu_sibling_map[6] = 7
<4>cpu_sibling_map[7] = 6
<4>ENABLING IO-APIC IRQs
<4>Setting 8 in the phys_id_present_map
<6>...changing IO-APIC physical APIC ID to 8 ... ok.
<4>Setting 9 in the phys_id_present_map
<6>...changing IO-APIC physical APIC ID to 9 ... ok.
<4>Setting 10 in the phys_id_present_map
<6>...changing IO-APIC physical APIC ID to 10 ... ok.
<7>init IO_APIC IRQs
<7> IO-APIC (apicid-pin) 8-0, 8-3, 8-5, 8-7, 8-11, 8-13, 9-3, 10-10, 10-11, 10-12, 10-13, 10-14, 10-15 not connected.
<6>..TIMER: vector=0x31 pin1=2 pin2=0
<3>..MP-BIOS bug: 8254 timer not connected to IO-APIC
<6>...trying to set up timer (IRQ0) through the 8259A ...
<4>..... (found pin 0) ...works.
<7>number of MP IRQ sources: 61.
<7>number of IO-APIC #8 registers: 16.
<7>number of IO-APIC #9 registers: 16.
<7>number of IO-APIC #10 registers: 16.
<6>testing the IO APIC.......................
<4>
<7>IO APIC #8......
<7>.... register #00: 08000000
<7>....... : physical APIC id: 08
<7>.... register #01: 000F0011
<7>....... : max redirection entries: 000F
<7>....... : PRQ implemented: 0
<7>....... : IO APIC version: 0011
<7>.... register #02: 08000000
<7>....... : arbitration: 08
<7>.... IRQ redirection table:
<7> NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
<7> 00 0FF 0F 0 0 0 0 0 1 1 31
<7> 01 0FF 0F 0 0 0 0 0 1 1 39
<7> 02 000 00 1 0 0 0 0 0 0 00
<7> 03 000 00 1 0 0 0 0 0 0 00
<7> 04 0FF 0F 0 0 0 0 0 1 1 41
<7> 05 000 00 1 0 0 0 0 0 0 00
<7> 06 0FF 0F 0 0 0 0 0 1 1 49
<7> 07 000 00 1 0 0 0 0 0 0 00
<7> 08 0FF 0F 0 0 0 0 0 1 1 51
<7> 09 0FF 0F 0 0 0 0 0 1 1 59
<7> 0a 0FF 0F 1 1 0 1 0 1 1 61
<7> 0b 000 00 1 0 0 0 0 0 0 00
<7> 0c 0FF 0F 0 0 0 0 0 1 1 69
<7> 0d 000 00 1 0 0 0 0 0 0 00
<7> 0e 0FF 0F 0 0 0 0 0 1 1 71
<7> 0f 0FF 0F 0 0 0 0 0 1 1 79
<4>
<7>IO APIC #9......
<7>.... register #00: 09000000
<7>....... : physical APIC id: 09
<7>.... register #01: 000F0011
<7>....... : max redirection entries: 000F
<7>....... : PRQ implemented: 0
<7>....... : IO APIC version: 0011
<7>.... register #02: 09000000
<7>....... : arbitration: 09
<7>.... IRQ redirection table:
<7> NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
<7> 00 0FF 0F 1 1 0 1 0 1 1 81
<7> 01 0FF 0F 1 1 0 1 0 1 1 89
<7> 02 0FF 0F 1 1 0 1 0 1 1 91
<7> 03 000 00 1 0 0 0 0 0 0 00
<7> 04 0FF 0F 1 1 0 1 0 1 1 99
<7> 05 0FF 0F 1 1 0 1 0 1 1 A1
<7> 06 0FF 0F 1 1 0 1 0 1 1 A9
<7> 07 0FF 0F 1 1 0 1 0 1 1 B1
<7> 08 0FF 0F 1 1 0 1 0 1 1 B9
<7> 09 0FF 0F 1 1 0 1 0 1 1 C1
<7> 0a 0FF 0F 1 1 0 1 0 1 1 C9
<7> 0b 0FF 0F 1 1 0 1 0 1 1 D1
<7> 0c 0FF 0F 1 1 0 1 0 1 1 D9
<7> 0d 0FF 0F 1 1 0 1 0 1 1 E1
<7> 0e 0FF 0F 1 1 0 1 0 1 1 E9
<7> 0f 0FF 0F 1 1 0 1 0 1 1 32
<4>
<7>IO APIC #10......
<7>.... register #00: 0A000000
<7>....... : physical APIC id: 0A
<7>.... register #01: 000F0011
<7>....... : max redirection entries: 000F
<7>....... : PRQ implemented: 0
<7>....... : IO APIC version: 0011
<7>.... register #02: 0A000000
<7>....... : arbitration: 0A
<7>.... IRQ redirection table:
<7> NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
<7> 00 0FF 0F 1 1 0 1 0 1 1 3A
<7> 01 0FF 0F 1 1 0 1 0 1 1 42
<7> 02 0FF 0F 1 1 0 1 0 1 1 4A
<7> 03 0FF 0F 1 1 0 1 0 1 1 52
<7> 04 0FF 0F 1 1 0 1 0 1 1 5A
<7> 05 0FF 0F 1 1 0 1 0 1 1 62
<7> 06 0FF 0F 1 1 0 1 0 1 1 6A
<7> 07 0FF 0F 1 1 0 1 0 1 1 72
<7> 08 0FF 0F 1 1 0 1 0 1 1 7A
<7> 09 0FF 0F 1 1 0 1 0 1 1 82
<7> 0a 000 00 1 0 0 0 0 0 0 00
<7> 0b 000 00 1 0 0 0 0 0 0 00
<7> 0c 000 00 1 0 0 0 0 0 0 00
<7> 0d 000 00 1 0 0 0 0 0 0 00
<7> 0e 000 00 1 0 0 0 0 0 0 00
<7> 0f 000 00 1 0 0 0 0 0 0 00
<7>IRQ to pin mappings:
<7>IRQ0 -> 0:0
<7>IRQ1 -> 0:1
<7>IRQ4 -> 0:4
<7>IRQ6 -> 0:6
<7>IRQ8 -> 0:8
<7>IRQ9 -> 0:9
<7>IRQ10 -> 0:10
<7>IRQ12 -> 0:12
<7>IRQ14 -> 0:14
<7>IRQ15 -> 0:15
<7>IRQ16 -> 1:0
<7>IRQ17 -> 1:1
<7>IRQ18 -> 1:2
<7>IRQ20 -> 1:4
<7>IRQ21 -> 1:5
<7>IRQ22 -> 1:6
<7>IRQ23 -> 1:7
<7>IRQ24 -> 1:8
<7>IRQ25 -> 1:9
<7>IRQ26 -> 1:10
<7>IRQ27 -> 1:11
<7>IRQ28 -> 1:12
<7>IRQ29 -> 1:13
<7>IRQ30 -> 1:14
<7>IRQ31 -> 1:15
<7>IRQ32 -> 2:0
<7>IRQ33 -> 2:1
<7>IRQ34 -> 2:2
<7>IRQ35 -> 2:3
<7>IRQ36 -> 2:4
<7>IRQ37 -> 2:5
<7>IRQ38 -> 2:6
<7>IRQ39 -> 2:7
<7>IRQ40 -> 2:8
<7>IRQ41 -> 2:9
<6>.................................... done.
<4>Using local APIC timer interrupts.
<4>calibrating APIC timer ...
<4>..... CPU clock speed is 1393.4195 MHz.
<4>..... host bus clock speed is 99.5297 MHz.
<4>cpu: 0, clocks: 995297, slice: 110588
<4>CPU0<T0:995296,T1:884688,D:20,S:110588,C:995297>
<4>cpu: 7, clocks: 995297, slice: 110588
<4>cpu: 5, clocks: 995297, slice: 110588
<4>cpu: 3, clocks: 995297, slice: 110588
<4>cpu: 1, clocks: 995297, slice: 110588
<4>cpu: 2, clocks: 995297, slice: 110588
<4>cpu: 4, clocks: 995297, slice: 110588
<4>cpu: 6, clocks: 995297, slice: 110588
<4>CPU5<T0:995296,T1:331760,D:8,S:110588,C:995297>
Kernel logging (ksyslog) stopped.
Kernel log daemon terminating.
[unhandled content-type:application/x-pkcs7-signature]
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