Actually with Android, I don't get a VirtualBox crash, but I _do_ get a kernel panic in software VT. It works with hardware VT-x.
And yes, hardware VT on early Core/Core2 series can perform slower than software VT in rare cases. Host: Windows 7 x64, VBox 4.3.0, Core i7 2600K Guest: Android 4.3 (link: https://android-x86.googlecode.com/files/android-x86-4.3-20130725.iso) -Technologov On Thu, Oct 24, 2013 at 4:24 PM, Alexey Eromenko <[email protected]> wrote: >>I have another question. I searched in FAQ and saw someone reported that >>virtualbox could run faster when hardware VT-x was disabled. Not sure what >>guest did they run. If software virtualization is incomplete, how can >>software virtualization run faster than the hardware virtualization? > > In my own experience, the typical desktop performance is about the > same. VT-x on or off. > Just some rare commands are not done correctly in software VT mode, so > some OSes do not like it. (IBM OS/2, Mac OS X, OpenBSD, ancient > versions of Linux such as Red Hat Linux 7, from year-2000, etc...) > The "incomplete" part is only about the commands it supports, but if > it works, it is super-fast. > > > On Thu, Oct 24, 2013 at 12:02 PM, Knut St. Osmundsen > <[email protected]> wrote: >> Hi Louis, >> >> could you provide us with steps how to reproduce this, please? >> Alternatively, a core dump might be helpful if it's difficult to reproduce >> without your ARM app. >> >> Kind Regards, >> bird. >> >> On 10/23/2013 7:35 AM, Louis Luo wrote: >> >> Hi VBox developers, >> >> We are experiencing some crashes when we run Android X86 with VBox on a >> system without VT-x. The App we run contains ARM code, so we add libhoudini >> to the VM (just like what AndroidVM does). When we start the App, VBox >> crashes. If we turn on VT-x, it seems everything is just fine. Can anyone >> explain what happened here? >> >> Thanks, >> Louis >> >> >> _______________________________________________ >> vbox-dev mailing list >> [email protected] >> https://www.virtualbox.org/mailman/listinfo/vbox-dev >> >> >> >> _______________________________________________ >> vbox-dev mailing list >> [email protected] >> https://www.virtualbox.org/mailman/listinfo/vbox-dev >> > > > > -- > -Alexey Eromenko "Technologov" -- -Alexey Eromenko "Technologov" _______________________________________________ vbox-dev mailing list [email protected] https://www.virtualbox.org/mailman/listinfo/vbox-dev
