amd64 ?!

Kris Kennaway kris at FreeBSD.org
Wed May 28 21:08:03 UTC 2008


kalin m wrote:
> hi all...
> 
> i have dilemma.
> 
> i asked a hosting faclity to set up freebsd 7 on  new server.  and i 
> mentioned that it should be 64 bit.
> now they when i get into the machine i get:
> srv391# uname -a
> FreeBSD srv391.carpathiahost.com 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sun 
> Feb 24 10:35:36 UTC 2008     
> root at driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> i did ask for an intel machine and the dmseg actually states:
> 
> CPU: Intel(R) Xeon(R) CPU           E5405  @ 2.00GHz (1997.01-MHz 
> K8-class CPU)
>  Origin = "GenuineIntel"  Id = 0x10676  Stepping = 6
>  
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> 
> 
>  
> Features2=0xce33d<SSE3,RSVD2,MON,DS_CPL,VMX,TM2,SSSE3,CX16,xTPR,PDCM,DCA,<b19>> 
> 
>  AMD Features=0x20100800<SYSCALL,NX,LM>
>  AMD Features2=0x1<LAHF>
> 
> 
> so i'm a bit confused about the the 64 bit and why the machine is 
> identifying itself as amd64 and not i686?

amd64 is the architecture name (since it was invented by AMD; just like 
i686 is named after Intel even if you are running CPU implementations by 
amd, cyrix, etc).

Kris



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