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On 01/12/2011 06:46 AM, Mark Knecht stated: |
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> On Tue, Jan 11, 2011 at 11:04 PM, Valmor de Almeida |
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> <val.gentoo@×××××.com> wrote: |
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>> |
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>> Hello, |
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>> |
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>> I am trying to build a windows 7 guest using virtualbox-ose-3.1.8. When |
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>> starting the virtual machine to install the OS, I get the warning: |
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>> |
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>> "VT-x/AMD-V hardware acceleration has been enabled, but is not |
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>> operational. Your 64-bit guest will fail to detect a 64-bit CPU and will |
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>> not be able to boot. |
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>> |
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>> Please ensure that you have enabled VT-x/AMD-V properly in the BIOS of |
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>> your host computer." |
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>> |
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>> I have enabled the following in the BIOS: |
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>> |
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>> Intel(R) Virtualization Technology |
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>> |
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>> Intel(R) VT-d Feature |
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>> |
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>> I have not created a KVM module in the kernel (using |
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>> gentoo-sources-2.6.34-r12). Is this needed? |
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>> |
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>> Inputs appreciated. |
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>> |
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>> Thanks, |
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>> |
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>> -- |
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>> Valmor |
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> |
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> Not sure about the KVM issue. |
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> |
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> I am running an i7-980X Extreme Edition using Gentoo 64-bit, mostly |
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> stable. Kernel is 2.6.36-gentoo-r6, Virtualbox-4.0.0. I run both |
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> 32-bit Win XP and 64-bit Win 7 Professional here with no problems. |
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> Typically I have 3 or 4 VMs running at the same time. |
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> |
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> Others have suggested BIOS. I didn't have to set anything specific there. |
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> |
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> If not BIOS then I'd look at kernel config next. |
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|
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I have CONFIG_VIRTUALIZATION turned on (=Y). None of the selections |
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below that are selected in my kernels. They run 64-bit VMs fine, but I |
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don't have VBox > 3. |
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|
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Your host kernel should NOT have CONFIG_PARAVIRT_GUEST but your guest |
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kernels should. |
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|
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That's the consensus my machines have yielded, both AMD/Intel and 32/64 |
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bits, but there are probably other options. |