Nothing is broken, but changed WAS: what's got broken in bhyve after upgrade

[Rodney W. Grimes]

Almost forgot, be sure you install it to /usr/include before
trying to compile stuff, you may end up picking up old values
unless you use buildworld.

cp /usr/src/sys/amd64/include/vmm.h /usr/include/machine/vmm.h


> thank you
> 
> On Tue, 26 Nov 2019, Rodney W. Grimes wrote:
> 
> >> New bhyve gets sockets, cores and threads parameters from command line.
> >> fixed now.
> >>
> >> Question - is 16 core limit in bhyve a hard one because of something, or
> >> it can be changed?
> >
> > Yes, modify this line:
> > #define VM_MAXCPU       16                      /* maximum virtual cpus */
> > in  ./amd64/include/vmm.h
> >
> > You'll need to rebuild vmm.,ko, and anything else that includes vmm.h
> >
> >
> >> On Tue, 26 Nov 2019, Wojciech Puchar wrote:
> >>
> >>> upgraded to
> >>>
> >>> FreeBSD puchar.net 11.3-STABLE FreeBSD 11.3-STABLE #0 r354807: Fri Nov 22
> >>> 22:45:43 CET 2019     root at puchar.net:/usr/src/sys/amd64/compile/puchar amd64
> >>>
> >>>
> >>> i have setting hw.vmm.topology.cores_per_package=16 in loader.conf
> >>>
> >>>
> >>> before upgrade - bhyve virtual machines (windows 7) see one CPU with 2 or 4
> >>> cores (depending how much i use with -c option in bhyve).
> >>>
> >>> after upgrade - bhyve sees single core CPUs. Which in case of windows 7 pro
> >>> means no more than 2 cores will be used.
> >>>
> >>> What's wrong and how to fix it?
> >>>
> >>> _______________________________________________
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> >>>
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> >
> > -- 
> > Rod Grimes                                                 rgrimes at freebsd.org
> >
> >
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-- 
Rod Grimes                                                 rgrimes at freebsd.org