opteron 32bit mode

David O'Brien obrien at freebsd.org
Mon May 10 00:15:49 PDT 2004


On Mon, May 10, 2004 at 03:38:14PM +0900, Eitarou Kamo wrote:
> I don't know if this mail is suitable for this list. But I try it.
> I know this list is for AMD 64bit. But I'd like to ask a favor
> of you. That is:
> Is FreeBSD stable on the opteron or athlon64 "32bit" mode?

Just as stable as any hardware running FreeBSD/i386.
My fastest FreeBSD/i386 box:

    FreeBSD 5.2-CURRENT #398: Sun May  2 16:34:36 PDT 2004
        rootk at quynh.nuxi.com:/FBSD/src/sys/i386/compile/QUYNH
    ...
    CPU: AMD Opteron(tm) Processor 848 (2205.01-MHz 686-class CPU)
      Origin = "AuthenticAMD"  Id = 0xf58  Stepping = 8
      Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
      AMD Features=0xe0500000<NX,AMIE,LM,DSP,3DNow!>
    ...
    FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
     cpu0 (BSP): APIC ID:  0
     cpu1 (AP): APIC ID:  1


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