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Date:      Fri, 24 Aug 2012 15:53:53 +0200
From:      =?ISO-8859-1?Q?Bernhard_Fr=F6hlich?= <decke@FreeBSD.org>
To:        Guido van Rooij <guido@gvr.org>
Cc:        freebsd-emulation@freebsd.org
Subject:   Re: VirtualBox on FreeBSD host and Windows8 guest
Message-ID:  <CAE-m3X3C5DMhwH_Tvi_HcUAnBbu%2B4Y4F3awDDwx%2BxgQhX7dteQ@mail.gmail.com>
In-Reply-To: <20120824131914.GA9628@gvr.gvr.org>
References:  <20120824113220.GA8519@gvr.gvr.org> <CAE-m3X3T%2BO8Sd3jQARcLnQ8=QQ5F6gpDNLFevWbsL-CLnxVBtQ@mail.gmail.com> <20120824131914.GA9628@gvr.gvr.org>

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On Fri, Aug 24, 2012 at 3:19 PM, Guido van Rooij <guido@gvr.org> wrote:
> On Fri, Aug 24, 2012 at 03:10:22PM +0200, Bernhard Fr=F6hlich wrote:
>> On Fri, Aug 24, 2012 at 1:32 PM, Guido van Rooij <guido@freebsd.org> wro=
te:
>> > Hi,
>> >
>> > I am trying to install Windows 8 in Virtualbox on a 32-bit FBSD host.
>> > (FreebSD 8.3 and VB 4.1.18).
>> >
>> > Windows refuses to install and this is due to NX not being present (it
>> > is enabled in the virtual machine settings). NX is also enabled in my
>> > bios as can be seen in the boot log of the FreeBSD host:
>> > CPU: Intel(R) Core(TM)2 Duo CPU     P9700  @ 2.80GHz (2793.02-MHz 686-=
class CPU)
>> >   Origin =3D "GenuineIntel"  Id =3D 0x1067a  Family =3D 6  Model =3D 1=
7  Stepping =3D 10
>> >   Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MT=
RR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>> >   Features2=3D0x408e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,C=
X16,xTPR,PDCM,SSE4.1,XSAVE>
>> >   AMD Features=3D0x20100000<NX,LM>
>> >   AMD Features2=3D0x1<LAHF>
>> >   TSC: P-state invariant
>> >
>> > When I create a new virtual machine with the xact same settings as the=
 W8 host,
>> > and boot a FreeSBD installation CD, I see that none of the AMD feature=
s are
>> > exposed to the guest os:
>> > CPU: Intel(R) Core(TM)2 Duo CPU     P9700  @ 2.80GHz (2883.13-MHz 686-=
class CPU)
>> >   Origin =3D "GenuineIntel"  Id =3D 0x1067a  Family =3D 6  Model =3D 1=
7  Stepping =3D 10
>> >   Features=3D0x783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTR=
R,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2>
>> >   Features2=3D0x209<SSE3,MON,SSSE3>
>> >   TSC: P-state invariant
>> >
>> > Is this just not supported, or is there a secret setting?
>>
>> There are knobs in the processor tab in the GUI for that.
>>
>
> Enable PAE/NX is set.
> Vt-x/AMD-V is set
> Nesting paging is set.
>
> So the knowbs are set correctly, yet no NX.

Have a look at your VBox.log and check what it says.

--=20
Bernhard Froehlich
http://www.bluelife.at/



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