On Thu, Dec 5, 2013 at 5:37 PM, Fred Smith <fre...@fcshome.stoneham.ma.us> wrote: > > > Not arguing with you, but... I recall hearing probably only a couple > years ago that not all the contemporary Intel processors exposed that > option, so you couldn't use it on some processors. The writer of that > blurb reported no obvious rhyme or reason why one would have it but > another wouldn't.
Some laptop and desktop bios's disable it even if the CPU would otherwise support it. Some have an option setting, some don't. > And on the topic of VirtualBox, I can't get 4.3 to work right on my > system (AMD Phenom II X2) which DOES have the virtual extensions enabled > in the BIOS. It kept complaining that it wasn't enabled (or maybe did > not exist, I can't recall exactly). Apparently some motherboards and/or > chipsets work differently in re how they expose the feature, and > the newest VB couldn't see it. Does 'cat /pro/cpuinfo' show vtx (or svm on AMD)? > So I stayed with the 4.2 series which > more or less does work. (tho it still refuses to let me run a 64-bit > Linux on VB even though I'm running Centos 64-bit and a 64-bit VB.) > Go figure. That means it is not using hardware virtualization - you can do 32-bit in software. -- Les Mikesell lesmikes...@gmail.com _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos