Re: VirtualBox: 64bit FreeBSD guest on 64bit FreeBSD host … "Long Mode"?

Hub- FreeBSD freebsd at hub.org
Fri Sep 30 16:57:54 UTC 2011


Tried it with a Centos 6.0 guest also … similar error, but more explicitly telling me I'm not using a 64bit processor …

"This kernel requires an x86-64 CPU, but only detected an i686 CPU"


On 2011-09-30, at 11:09 AM, Sales wrote:

> 
> Okay, did find t he following, but it was from '09 ...
> 
> https://forums.virtualbox.org/viewtopic.php?f=8&t=19420
> 
> I just tried to install 8.2/64bit on my 7-STABLE 64bit server … error comes up as 'CPU doesn't support long mode' … the above link indicates that this is because my CPUs don't support some features, but, my system is only a year old … 
> 
> dmesg shows my CPU as:
> 
> CPU: Intel(R) Xeon(R) CPU           E5420  @ 2.50GHz (2500.10-MHz K8-class CPU)
>  Origin = "GenuineIntel"  Id = 0x1067a  Family = 6  Model = 17  Stepping = 10
>  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=0x40ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA,SSE4.1,XSAVE>
>  AMD Features=0x20100800<SYSCALL,NX,LM>
>  AMD Features2=0x1<LAHF>
>  TSC: P-state invariant
>  Cores per package: 4
> 
> 
> And according to Intel's site, it does support VT-x:
> 
> http://ark.intel.com/products/33927/Intel-Xeon-Processor-E5420-%2812M-Cache-2_50-GHz-1333-MHz-FSB%29
> 
> So, this is something else altogether … ?  
> 
> Thx
> 
> 



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