Downplaying a serious issue

[Glen Barber]

On Thu, Apr 03, 2014 at 09:47:02AM +0200, Torbjorn Granlund wrote:
> Glen Barber <gjb at FreeBSD.org> writes:
> 
>   It is not a doc problem.
>   
>   The issue is specific to certain hardware configurations, and unless
>   anyone has made any breakthroughs that I am unaware of, the cause is
>   still unknown.
>   
> It happens on:
> 
> AMD piledriver running Linux+KVM
> AMD piledriver running Linux+Xen
> Intel Nehalem running NetBSD+Xen
> Intel Sandybridge running NetBSD+Xen
> Intel Haswell running NetBSD+Xen
> AMD K10 Barcelona running NetBSD+Xen
> AMD Bulldozer running NetBSD+Xen
> 

We need more specifics.

> I've seen the laughable claim that this is a "bug in Virtualbox", and now
> the major downplay at http://www.freebsd.org/releases/10.0R/errata.html,
> where this is a minor hardware specific problem.
> 
> I have not found one piece of PC hardware where it does not happen under
> virtualisation.  Please let me know some configuration where FreeBSD/i386
> works under a type 1 virtualiser?  Perhaps Bhyve is FreeBSD-compatible?
> 

Does not happen on my VirtualBox host.

Glen

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