FreeBSD 5.3R SMP Kernel not detecting 2nd CPU in a HP DL360(?)

From: Greg Eden (greg_at_warprecords.com)
Date: 03/28/05

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    To: freebsd-hackers@freebsd.org
Date: Mon, 28 Mar 2005 21:51:23 +0100

    Hello All,

    I have a co-located HP DL360 G3 server to which I do not have physical
    access. It has 2 x 2.8GHz Xeon CPUs with HTT. One of the ISP's
    engineers has confirmed that both CPUs are detected when the BIOS
    POSTs.

    I have cvsup'd to the latest 5.3R security release and successfully
    built 'world', something I have done successfully many times with 4.x
    releases, using the instructions from the handbook. I used a custom
    kernel configuration which included 'options SMP' and 'device apic'. On
    reboot dmesg confirmed that the custom kernel was used, however SMP was
    not active and the additional CPUs were not launched.

    Thinking that perhaps my custom kernel conf was at fault, I compiled a
    GENERIC smp kernel with:

    # cd /usr/obj
    # chflags -R noschg *
    # rm -rf *
    /usr/src/# make buildkernel KERNCONF=SMP
    /usr/src/# make installkernel KERNCONF=SMP

    After reboot the dmesg output is as follows:

    FreeBSD 5.3-RELEASE-p5 #0: Thu Mar 24 14:37:29 GMT 2005
         greg@[snip].warprecords.com:/usr/obj/usr/src/sys/SMP
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2799.22-MHz 686-class CPU)
       Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
        
    Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,
    CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
       Hyperthreading: 2 logical CPUs
    real memory = 2147459072 (2047 MB)
    avail memory = 2095996928 (1998 MB)
    npx0: [FAST]
    npx0: <math processor> on motherboard
    npx0: INT 16 interface
    acpi0: <COMPAQ P31> on motherboard
    acpi0: Power Button (fixed)
    Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
    acpi_timer0: <32-bit timer at 3.579545MHz> port 0x920-0x923 on acpi0
    cpu0: <ACPI CPU> on acpi0
    acpi_tz0: <Thermal Zone> on acpi0
    pcib0: <ACPI Host-PCI bridge> on acpi0
    ACPI link \\_SB_.IN31 has invalid initial irq 3, ignoring
    pci0: <ACPI PCI bus> on pcib0
    pci0: <display, VGA> at device 3.0 (no driver attached)
    ciss0: <Compaq Smart Array 5i> port 0x2800-0x28ff mem
    0xf5df0000-0xf5df3fff,0xf5f80000-0xf5fbffff irq 11 at device 4.0 on
    pci0
    ciss0: [GIANT-LOCKED]
    pci0: <base peripheral> at device 5.0 (no driver attached)
    pci0: <base peripheral> at device 5.2 (no driver attached)
    isab0: <PCI-ISA bridge> at device 15.0 on pci0
    isa0: <ISA bus> on isab0
    atapci0: <ServerWorks CSB5 UDMA100 controller> port
    0x2000-0x200f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 15.1 on
    pci0
    ata0: channel #0 on atapci0
    ata1: channel #1 on atapci0
    ohci0: <OHCI (generic) USB controller> mem 0xf5e70000-0xf5e70fff irq 10
    at device 15.2 on pci0
    ohci0: [GIANT-LOCKED]
    usb0: OHCI version 1.0, legacy support
    usb0: SMM does not respond, resetting
    usb0: <OHCI (generic) USB controller> on ohci0
    usb0: USB revision 1.0
    uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
    uhub0: 4 ports with 4 removable, self powered
    pcib1: <ACPI Host-PCI bridge> on acpi0
    pci1: <ACPI PCI bus> on pcib1
    bge0: <Broadcom BCM5703 Gigabit Ethernet, ASIC rev. 0x1002> mem
    0xf7ef0000-0xf7efffff irq 11 at device 2.0 on pci1
    miibus0: <MII bus> on bge0
    brgphy0: <BCM5703 10/100/1000baseTX PHY> on miibus0
    brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
    1000baseTX-FDX, auto
    bge0: Ethernet address: 00:11:85:6b:07:d8
    pcib2: <ACPI Host-PCI bridge> on acpi0
    pci4: <ACPI PCI bus> on pcib2
    bge1: <Broadcom BCM5703 Gigabit Ethernet, ASIC rev. 0x1002> mem
    0xf7ff0000-0xf7ffffff irq 15 at device 2.0 on pci4
    miibus1: <MII bus> on bge1
    brgphy1: <BCM5703 10/100/1000baseTX PHY> on miibus1
    brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
    1000baseTX-FDX, auto
    bge1: Ethernet address: 00:11:85:6b:07:db
    atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
    atkbd0: <AT Keyboard> irq 1 on atkbdc0
    kbd0 at atkbd0
    atkbd0: [GIANT-LOCKED]
    sio0: <Standard PC COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
    sio0: type 16550A
    fdc0: <floppy drive controller (FDE)> port 0x3f2-0x3f5 irq 6 drq 2 on
    acpi0
    fdc0: [FAST]
    fd0: <1440-KB 3.5" drive> on fdc0 drive 0
    orm0: <ISA Option ROMs> at iomem
    0xee000-0xeffff,0xcc000-0xcd7ff,0xc8000-0xcbfff,0xc0000-0xc7fff on isa0
    pmtimer0 on isa0
    ppc0: parallel port not found.
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA <16 virtual consoles, flags=0x300>
    sio1: configured irq 3 not in bitmap of probed irqs 0
    sio1: port may not be enabled
    vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
    isa0
    Timecounter "TSC" frequency 2799224924 Hz quality 800
    Timecounters tick every 10.000 msec
    acd0: CDROM <CRN-8245B/2.19> at ata0-master PIO4
    da0 at ciss0 bus 0 target 0 lun 0
    da0: <COMPAQ RAID 1 VOLUME OK> Fixed Direct Access SCSI-0 device
    da0: 135.168MB/s transfers
    da0: 69459MB (142253280 512 byte sectors: 255H 32S/T 17433C)
    Mounting root from ufs:/dev/da0s1a

    and

    ~> sysctl kern.smp.active
    kern.smp.active: 0

    I just don't understand why the kernel isn't running SMP. To my mind
    it's either something in my method (most likely), a hardware problem,
    or something odd in the way 5.3R detects the CPUs on the hardware.

    I have successfully compiled SMP kernels on identical hardware with
    FreeBSD 4.8R. With the HTT 4 CPUs are launched as they should be here.

    Now I think about it I have another machine, a HP DL380 with a single
    HTT Xeon processor, which is displaying the same problem.

    Thanks in advance.

    greg.

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