Включил поддержку двух ядер для процесора AMD64:
device          acpi
options         ACPI_DEBUG
options SMP

Операционка опознала два ядра,  но при этом ACPI выдает кучу ошибок:

FreeBSD 6.2-RELEASE #4: Thu Jul 26 00:41:56 EEST 2007
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ (2009.16-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x20f32  Stepping = 2
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x1<SSE3>
  AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow+,3DNow>
  AMD Features2=0x3<LAHF,CMP>
  Cores per package: 2
real memory  = 520028160 (495 MB)
avail memory = 494080000 (471 MB)
ACPI APIC Table: <GBT    AWRDACPI>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID:  0
cpu1 (AP): APIC ID:  1
ioapic0: Changing APIC ID to 2
ioapic0 <Version 1.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <GBT AWRDACPI> on motherboard
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi0: Power Button (fixed)
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
acpi_bus_number: can't get _ADR
evregion-0501: *** Error: Handler for [SystemMemory] returned AE_AML_ALIGNMENT

**** Exception AE_AML_ALIGNMENT during execution of method [\\_SB_.MEM_._CRS] (Node 0xffffff000071e330)

Method Execution Stack:
    Method [_CRS] executing: LEqual (SMEM, Zero)

Local Variables for method [_CRS]:
    Local0: 0 <NullObj>
    Local1: 0 <NullObj>
    Local2: 0 <NullObj>
    Local3: 0 <NullObj>
    Local4: 0 <NullObj>
    Local5: 0 <NullObj>
    Local6: 0 <NullObj>
    Local7: 0 <NullObj>

Arguments for Method [_CRS]:  (0 arguments defined, max concurrency = FF)
    Arg0:   0 <NullObj>
    Arg1:   0 <NullObj>
    Arg2:   0 <NullObj>
    Arg3:   0 <NullObj>
    Arg4:   0 <NullObj>
    Arg5:   0 <NullObj>
    Arg6:   0 <NullObj>

psparse-1304: *** Error: Method execution failed [\\_SB_.MEM_._CRS] (Node 0xffffff000071e330), AE_AML_ALIGNMENT
  uteval-0239: *** Error: Method execution failed [\\_SB_.MEM_._CRS] (Node 0xffffff000071e330), AE_AML_ALIGNMENT
can't fetch resources for \\_SB_.MEM_ - AE_AML_ALIGNMENT
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
acpi_button0: <Power Button> on acpi0

Подскажите, пожалуйста, как с этим бороться?

Заранее всем СПАСИБО!