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Date:      Fri, 27 May 2016 20:24:31 +0300
From:      Roman Bogorodskiy <novel@FreeBSD.org>
To:        Peter Grehan <grehan@freebsd.org>
Cc:        "freebsd-virtualization@freebsd.org" <freebsd-virtualization@freebsd.org>
Subject:   Re: bhyve graphics support
Message-ID:  <20160527172430.GB25472@kloomba>
In-Reply-To: <e69b25be-9527-e9e1-9112-127b5115cbc8@freebsd.org>
References:  <442c6d8f-2b64-c88b-382a-cf73eb6f7404@freebsd.org> <20160527170347.GA25472@kloomba> <e69b25be-9527-e9e1-9112-127b5115cbc8@freebsd.org>

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  Peter Grehan wrote:

> Hi Roman,
>=20
> > I've just tried to do a Fedora installation and it worked like a charm.
> >
> > A couple of questions:
> >
> >  * There was a limitation that AHCI devices must use slots 3-6. [1]
> >    Is it still there? If yes, any plans to get rid of it?
>=20
>   It's not a limitation for guests that can use MSI for AHCI. Older=20
> versions of Windows use legacy interrupts, but I noticed that 2k16 (and=
=20
> maybe recent builds of 10) are using now using MSI.
>=20
>   The real fix is to have more flexible ACPI DSDT generation from inside=
=20
> of UEFI, but that's a non-trivial project.
>=20
> >  * It *seems* that now it's OK to cycle a VM this way:
> >
> >    host# bhyve ...
> >    guest# reboot # guest goes away
> >    host# bhyve ... # run it again
> >
> >    Previously (with bhyveload) it didn't work (for me at least) without
> >    doing "bhyvectl --destroy". Is it safe now not to call "bhyvectl
> >    --destroy" before the second run now?
>=20
>   Yes, except for the case when you modify the amount of memory given to=
=20
> the guest - then you will need to delete prior to the run with the new=20
> config.

Got it, thanks!

Roman Bogorodskiy

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