How to get the 2nd CPU to work?

From: Rishi (usergroups_at_theargoncompany.com)
Date: 10/06/04

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    To: debian-user@lists.debian.org
Date: Wed, 6 Oct 2004 23:34:58 +0530

    Hi

    I just installed debian (sarge) on a Dual P-II system. The kernel that was
    installed was: kernel-image-2.6.5-1-386

    Then I installed kernel-image-2.6.8-1-686-smp using apt-get and added it using
    grub....

    After re-booting... the top program shows only one CPU.

    But the output of dmesg and /proc/cpuinfo appears to have recognized the 2nd
    CPU. Any ideas if
    (a) the 2nd CPU is being used OR
    (b) it's not being used

    If it's not being used, any tips on what I should do to get Linux to use the
    second CPU? I've read the SMP HOWTO but did not find anything much. It said
    something about "MPS version 1.4 and 1.1" .. I tried to change that in the
    system bios.. but no joy...

    Any ideas what I can do to get this to work?

    Regards

    Rishi

    OUTPUT OF TOP
    =====================================================
    top - 23:17:48 up 2:56, 5 users, load average: 0.02, 0.05, 0.09
    Tasks: 116 total, 1 running, 115 sleeping, 0 stopped, 0 zombie
    Cpu(s): 16.6% us, 4.1% sy, 0.0% ni, 75.1% id, 2.5% wa, 0.6% hi, 1.1% si
    Mem: 321332k total, 302524k used, 18808k free, 16992k buffers
    Swap: 976744k total, 55324k used, 921420k free, 150444k cached

    OUTPUT OF DMESG
    ==========================================================
    Linux version 2.6.8-1-686-smp (dilinger@toaster.hq.voxel.net) (gcc version
    3.3.4 (Debian 1:3.3.4-11)) #1 SMP Mon Sep 13 23:02:39 EDT 2004
    BIOS-provided physical RAM map:
     BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
     BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
     BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
     BIOS-e820: 0000000000100000 - 0000000014000000 (usable)
     BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
     BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
     BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
    0MB HIGHMEM available.
    320MB LOWMEM available.
    found SMP MP-table at 000f70c0
    On node 0 totalpages: 81920
      DMA zone: 4096 pages, LIFO batch:1
      Normal zone: 77824 pages, LIFO batch:16
      HighMem zone: 0 pages, LIFO batch:1
    DMI 2.0 present.
    ACPI disabled because your bios is from 98 and too old
    You can enable it with acpi=force
    Intel MultiProcessor Specification v1.1
        Virtual Wire compatibility mode.
    OEM ID: INTEL Product ID: DK440LX APIC at: 0xFEE00000
    Processor #1 6:5 APIC version 17
    Processor #0 6:5 APIC version 17
    I/O APIC #2 Version 17 at 0xFEC00000.
    Enabling APIC mode: Flat. Using 1 I/O APICs
    Processors: 2
    Built 1 zonelists
    Kernel command line: root=/dev/hda1 ro
    Initializing CPU#0
    PID hash table entries: 2048 (order 11: 16384 bytes)
    Detected 333.184 MHz processor.
    Using tsc for high-res timesource
    Console: colour VGA+ 80x25
    Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
    Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
    Memory: 316176k/327680k available (1654k kernel code, 10732k reserved, 762k
    data, 168k init, 0k highmem)
    Checking if this processor honours the WP bit even in supervisor mode... Ok.
    Calibrating delay loop... 655.36 BogoMIPS
    Security Scaffold v1.0.0 initialized
    Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
    CPU: After generic identify, caps: 0183fbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: 0183fbff 00000000 00000000 00000000
    CPU: L1 I cache: 16K, L1 D cache: 16K
    CPU: L2 cache: 512K
    CPU: After all inits, caps: 0183fbff 00000000 00000000 00000040
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#0.
    Enabling fast FPU save and restore... done.
    Checking 'hlt' instruction... OK.
    ACPI: System description tables not found
        ACPI-0084: *** Error: acpi_load_tables: Could not get RSDP, AE_NOT_FOUND
        ACPI-0134: *** Error: acpi_load_tables: Could not load tables:
    AE_NOT_FOUND
    ACPI: Unable to load the System Description Tables
    CPU0: Intel Pentium II (Deschutes) stepping 00
    per-CPU timeslice cutoff: 1461.97 usecs.
    task migration cache decay timeout: 2 msecs.
    masked ExtINT on CPU#0
    ESR value before enabling vector: 00000000
    ESR value after enabling vector: 00000000
    Booting processor 1/0 eip 3000
    Initializing CPU#1
    masked ExtINT on CPU#1
    ESR value before enabling vector: 00000000
    ESR value after enabling vector: 00000000
    Calibrating delay loop... 663.55 BogoMIPS
    CPU: After generic identify, caps: 0183fbff 00000000 00000000 00000000
    CPU: After vendor identify, caps: 0183fbff 00000000 00000000 00000000
    CPU: L1 I cache: 16K, L1 D cache: 16K
    CPU: L2 cache: 512K
    CPU: After all inits, caps: 0183fbff 00000000 00000000 00000040
    Intel machine check architecture supported.
    Intel machine check reporting enabled on CPU#1.
    CPU1: Intel Pentium II (Deschutes) stepping 00
    Total of 2 processors activated (1318.91 BogoMIPS).
    ENABLING IO-APIC IRQs
    Setting 2 in the phys_id_present_map
    ...changing IO-APIC physical APIC ID to 2 ... ok.
    init IO_APIC IRQs
     IO-APIC (apicid-pin) 2-0, 2-18, 2-20, 2-21, 2-22, 2-23 not connected.
    ..TIMER: vector=0x31 pin1=2 pin2=0
    number of MP IRQ sources: 20.
    number of IO-APIC #2 registers: 24.
    testing the IO APIC.......................
    IO APIC #2......
    .... register #00: 02000000
    ....... : physical APIC id: 02
    ....... : Delivery Type: 0
    ....... : LTS : 0
    .... register #01: 00170011
    ....... : max redirection entries: 0017
    ....... : PRQ implemented: 0
    ....... : IO APIC version: 0011
    .... 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
     01 001 01 0 0 0 0 0 1 1 39
     02 001 01 0 0 0 0 0 1 1 31
     03 001 01 0 0 0 0 0 1 1 41
     04 001 01 0 0 0 0 0 1 1 49
     05 001 01 0 0 0 0 0 1 1 51
     06 001 01 0 0 0 0 0 1 1 59
     07 001 01 0 0 0 0 0 1 1 61
     08 001 01 0 0 0 0 0 1 1 69
     09 001 01 1 1 0 1 0 1 1 71
     0a 001 01 1 1 0 1 0 1 1 79
     0b 001 01 1 1 0 1 0 1 1 81
     0c 001 01 0 0 0 0 0 1 1 89
     0d 001 01 0 0 0 0 0 1 1 91
     0e 001 01 0 0 0 0 0 1 1 99
     0f 001 01 0 0 0 0 0 1 1 A1
     10 001 01 1 1 0 1 0 1 1 A9
     11 001 01 1 1 0 1 0 1 1 B1
     12 000 00 1 0 0 0 0 0 0 00
     13 001 01 1 1 0 1 0 1 1 B9
     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
    Using vector-based indexing
    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
    IRQ10 -> 0:10
    IRQ11 -> 0:11
    IRQ12 -> 0:12
    IRQ13 -> 0:13
    IRQ14 -> 0:14
    IRQ15 -> 0:15
    IRQ169 -> 0:16
    IRQ177 -> 0:17
    IRQ185 -> 0:19
    .................................... done.
    Using local APIC timer interrupts.
    calibrating APIC timer ...
    ..... CPU clock speed is 333.0003 MHz.
    ..... host bus clock speed is 66.0600 MHz.
    checking TSC synchronization across 2 CPUs: passed.
    Brought up 2 CPUs
    CPU0: online
     domain 0: span 01
      groups: 01
      domain 1: span 03
       groups: 01 02
    CPU1: online
     domain 0: span 02
      groups: 02
      domain 1: span 03
       groups: 02 01
    checking if image is initramfs...it isn't (ungzip failed); looks like an
    initrd
    Freeing initrd memory: 4604k freed
    NET: Registered protocol family 16
    PCI: PCI BIOS revision 2.10 entry at 0xfd99c, last bus=1
    PCI: Using configuration type 1
    mtrr: v2.0 (20020519)
    ACPI: Subsystem revision 20040326
    ACPI: Interpreter disabled.
    Linux Plug and Play Support v0.97 (c) Adam Belay
    PnPBIOS: Scanning system for PnP BIOS support...
    PnPBIOS: Found PnP BIOS installation structure at 0xc00f7090
    PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xb762, dseg 0x400
    pnp: 00:0c: ioport range 0x4d0-0x4d1 has been reserved
    pnp: 00:0c: ioport range 0x8000-0x803f has been reserved
    pnp: 00:0c: ioport range 0x7000-0x700f has been reserved
    pnp: 00:0f: ioport range 0x290-0x297 has been reserved
    PnPBIOS: 20 nodes reported by PnP BIOS; 20 recorded by driver
    PCI: Probing PCI hardware
    PCI: Probing PCI hardware (bus 00)
    PCI: Using IRQ router PIIX/ICH [8086/7110] at 0000:00:02.0
    PCI->APIC IRQ transform: (B0,I2,P3) -> 185
    PCI->APIC IRQ transform: (B0,I3,P0) -> 185
    PCI->APIC IRQ transform: (B0,I13,P0) -> 177
    PCI->APIC IRQ transform: (B1,I0,P0) -> 169
    VFS: Disk quotas dquot_6.5.1
    Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
    devfs: boot_options: 0x0
    Initializing Cryptographic API
    Limiting direct PCI/PCI transfers.
    isapnp: Scanning for PnP cards...
    isapnp: No Plug & Play device found
    Serial: 8250/16550 driver $Revision: 1.90 $ 48 ports, IRQ sharing enabled
    ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
    ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
    RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
    serio: i8042 AUX port at 0x60,0x64 irq 12
    serio: i8042 KBD port at 0x60,0x64 irq 1
    input: AT Translated Set 2 keyboard on isa0060/serio0
    NET: Registered protocol family 2
    IP: routing cache hash table of 4096 buckets, 32Kbytes
    TCP: Hash tables configured (established 32768 bind 32768)
    NET: Registered protocol family 8
    NET: Registered protocol family 20
    RAMDISK: cramfs filesystem found at block 0
    RAMDISK: Loading 4604 blocks [1 disk] into ram disk... | / - \ | / - \ | / - \
    | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / -
    \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | /
    - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \
    | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / -
    \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | /
    - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \
    | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / - \ | / -
    \ | / - \ done.
    VFS: Mounted root (cramfs filesystem) readonly.
    Freeing unused kernel memory: 168k freed
    vesafb: probe of vesafb0 failed with error -6
    NET: Registered protocol family 1
    Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
    ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
    PIIX4: IDE controller at PCI slot 0000:00:02.1
    PIIX4: chipset revision 1
    PIIX4: not 100% native mode: will probe irqs later
        ide0: BM-DMA at 0xfc90-0xfc97, BIOS settings: hda:DMA, hdb:pio
        ide1: BM-DMA at 0xfc98-0xfc9f, BIOS settings: hdc:DMA, hdd:DMA
    hda: ST320413A, ATA DISK drive
    Using anticipatory io scheduler
    ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
    hda: max request size: 128KiB
    hda: 39102336 sectors (20020 MB) w/512KiB Cache, CHS=38792/16/63, UDMA(33)
     /dev/ide/host0/bus0/target0/lun0: p1 p2 p3
    hdc: ST320413A, ATA DISK drive
    hdd: CREATIVECD3220E, ATAPI CD/DVD-ROM drive
    ide1 at 0x170-0x177,0x376 on irq 15
    hdc: max request size: 128KiB
    hdc: 39102336 sectors (20020 MB) w/512KiB Cache, CHS=38792/16/63, UDMA(33)
     /dev/ide/host0/bus1/target0/lun0:
    kjournald starting. Commit interval 5 seconds
    EXT3-fs: mounted filesystem with ordered data mode.
    Adding 976744k swap on /dev/hda2. Priority:-1 extents:1
    EXT3 FS on hda1, internal journal
    Real Time Clock Driver v1.12
    hdd: ATAPI 32X CD-ROM drive, 240kB Cache, DMA
    Uniform CD-ROM driver Revision: 3.20
    eepro100.c:v1.09j-t 9/29/99 Donald Becker
    http://www.scyld.com/network/eepro100.html
    eepro100.c: $Revision: 1.36 $ 2000/11/17 Modified by Andrey V. Savochkin
    <saw@saw.sw.com.sg> and others
    eth0: 0000:00:03.0, 00:A0:C9:AC:DC:9F, IRQ 185.
      Receiver lock-up bug exists -- enabling work-around.
      Board assembly 000000-000, Physical connectors present: RJ45
      Primary interface chip unknown-11 PHY #1.
      General self-test: passed.
      Serial sub-system self-test: passed.
      Internal registers self-test: passed.
      ROM checksum self-test: passed (0x49caa8d6).
      Receiver lock-up workaround activated.
    Capability LSM initialized
    device-mapper: 4.1.0-ioctl (2003-12-10) initialised: dm@uk.sistina.com
    kjournald starting. Commit interval 5 seconds
    EXT3 FS on hda3, internal journal
    EXT3-fs: mounted filesystem with ordered data mode.
    Linux agpgart interface v0.100 (c) Dave Jones
    e100: Intel(R) PRO/100 Network Driver, 3.0.18
    e100: Copyright(c) 1999-2004 Intel Corporation
    es1371: version v0.32 time 23:18:47 Sep 13 2004
    es1371: found chip, vendor id 0x1274 device id 0x5880 revision 0x02
    es1371: found es1371 rev 2 at io 0xfcc0 irq 177 joystick 0x0
    ac97_codec: AC97 Audio codec, id: 0x8384:0x7609 (SigmaTel STAC9721/23)
    input: PC Speaker
    inserting floppy driver for 2.6.8-1-686-smp
    Floppy drive(s): fd0 is 1.44M
    FDC 0 is a National Semiconductor PC87306
    parport: PnPBIOS parport detected.
    parport0: PC-style at 0x378 (0x778), irq 7, dma 3
    [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA]
    input: PS/2 Generic Mouse on isa0060/serio1
    mice: PS/2 mouse device common for all mice
    ts: Compaq touchscreen protocol output
    agpgart: Detected an Intel 440LX Chipset.
    agpgart: Maximum main memory to use for agp memory: 263M
    agpgart: AGP aperture is 64M @ 0xf8000000
    cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
    pci_hotplug: PCI Hot Plug PCI Core version: 0.5
    pciehp: PCI Express Hot Plug Controller Driver version: 0.4
    shpchp: shpc_init : shpc_cap_offset == 0
    shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
    usbcore: registered new driver usbfs
    usbcore: registered new driver hub
    USB Universal Host Controller Interface driver v2.2
    uhci_hcd 0000:00:02.2: Intel Corp. 82371AB/EB/MB PIIX4 USB
    uhci_hcd 0000:00:02.2: irq 185, io base 0000fca0
    uhci_hcd 0000:00:02.2: new USB bus registered, assigned bus number 1
    hub 1-0:1.0: USB hub found
    hub 1-0:1.0: 2 ports detected
    lp0: using parport0 (interrupt-driven).
    Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
    NET: Registered protocol family 10
    Disabled Privacy Extensions on device c031ac80(lo)
    IPv6 over IPv4 tunneling driver
    apm: BIOS not found.
    eth0: no IPv6 routers present
    apm: BIOS not found.

    OUTPUT OF /PROC/CPUINFO
    ===============================================================
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 5
    model name : Pentium II (Deschutes)
    stepping : 0
    cpu MHz : 333.184
    cache size : 512 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
    cmov pat pse36 mmx fxsr
    bogomips : 655.36

    processor : 1
    vendor_id : GenuineIntel
    cpu family : 6
    model : 5
    model name : Pentium II (Deschutes)
    stepping : 0
    cpu MHz : 333.184
    cache size : 512 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
    cmov pat pse36 mmx fxsr
    bogomips : 663.55 

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