On 01/12/2011 02:48 AM, kashani wrote: > On 1/11/2011 11:04 PM, Valmor de Almeida wrote: >> Hello, >> >> I am trying to build a windows 7 guest using virtualbox-ose-3.1.8. When >> starting the virtual machine to install the OS, I get the warning: >> >> "VT-x/AMD-V hardware acceleration has been enabled, but is not >> operational. Your 64-bit guest will fail to detect a 64-bit CPU and will >> not be able to boot. >> >> Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of >> your host computer." >> >> I have enabled the following in the BIOS: >> >> Intel(R) Virtualization Technology >> Intel(R) VT-d Feature >> >> I have not created a KVM module in the kernel (using >> gentoo-sources-2.6.34-r12). Is this needed? > > Couple of things to check. > > 1. Make sure you've turned on all the related BIOS features that may be > related. Sometimes it's more than one or two depending on the manufacturer.
Those options are the only things available on the BIOS. > > 2. Verify that your chip supports 64bit VT. I found out recently that my > Intel T6600 while 64bit can only run 32bit guests. Okay. Will have to check on that. > > 3. You're running vbox 3.1.8 which is stable for x86 while vbox 3.2.12 > is stable for amd64. Is your host OS 32bit? My gentoo is amd64; yes my portage tree could be updated. -> emerge --info Portage 2.1.8.3 (default/linux/amd64/10.0, gcc-4.4.4, glibc-2.11.2-r3, 2.6.34-gentoo-r12 x86_64) ================================================================= System uname: linux-2.6.34-gentoo-r12-x86_64-intel-r-_core-tm-_i7_cpu_l_6...@_2.13ghz-with-gentoo-1.12.14 Timestamp of tree: Sat, 20 Nov 2010 15:45:01 +0000 Thanks, -- Valmor > > kashani >
