[OpenIndiana-discuss] AMD based systems and VirtualBox

[Alan Coopersmith]

On 8/2/25 17:31, Joshua M. Clulow via openindiana-discuss wrote:
> On Sat, 2 Aug 2025 at 17:22, Carl Brewer via openindiana-discuss
> <openindiana-discuss at openindiana.org> wrote:
>>> # echo "set disable_smap =1" > /etc/system.d/smap
> 
> I think a better question to ask would be: why is setting these
> debugging tuneables necessary at all?  Is this a bug in VirtualBox or
> the OS?

Is it still necessary or has this been copied-and-pasted longer than
needed?

At least on Solaris, the need to disable SMAP in the kernel was a bug in
VirtualBox's kernel modules, and was fixed years ago in VirtualBox:

https://www.virtualbox.org/ticket/17958
https://github.com/VirtualBox/virtualbox/commit/a7f69b4bcbdaeb231d17a7a56488044f17132d64

It looks like they even made it the default for all OS'es back in 2021:

https://github.com/VirtualBox/virtualbox/commit/0d9e5b88548e477e47c9025c25e911ef11a41941

	-alan-