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Virtualbox - this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot

rated 0 times [ 2] [ 0] / answers: 1 / hits: 4126 / 2 Years ago, wed, april 20, 2022, 4:49:53

I'm attempting to install Ubuntu server on a Virtualbox machine. Every time I attempt to install I get the following:

this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot

I'm running virtualbox on Ubuntu Server 14.04 (64 bit). I've been able to successfully run Arch Linux (64 bit) just fine on the same virtualbox install.

These are the settings I have for VM:

Enable VT-x/AMD-V is checked

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3 Years ago

answered 2 Years ago etzelmortg · Accepted Answer

I will update it if need. but I have no virtualbox around here to make a step by step

Do you have a PENTIUM 4? if less then is weird you have successfully running your 64 bits archlinux .

I think you should at least do this :

Try a creating a new VM

Enable VT-x/AMD-V or similar at your bios too

Have a 64 bits host ( archlinux proves you already have it :c )

Give at least two cores to your ubuntu server 64bits VM