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Date:      Wed, 4 Apr 2018 18:33:21 -0400
From:      Allan Jude <allanjude@freebsd.org>
To:        freebsd-hackers@freebsd.org
Subject:   Re: 11.1-RELEASE virtualbox-ose panic: ncpus is 0 with non-zero map
Message-ID:  <3fd9fbd1-26ef-c176-2c4b-cf02f89ea680@freebsd.org>
In-Reply-To: <f769bfc5-b76e-49df-db15-e5cfb565554e@freebsd.org>
References:  <f769bfc5-b76e-49df-db15-e5cfb565554e@freebsd.org>

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From: Allan Jude <allanjude@freebsd.org>
To: freebsd-hackers@freebsd.org
Message-ID: <3fd9fbd1-26ef-c176-2c4b-cf02f89ea680@freebsd.org>
Subject: Re: 11.1-RELEASE virtualbox-ose panic: ncpus is 0 with non-zero map
References: <f769bfc5-b76e-49df-db15-e5cfb565554e@freebsd.org>
In-Reply-To: <f769bfc5-b76e-49df-db15-e5cfb565554e@freebsd.org>

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On 2018-04-04 17:13, Craig Leres wrote:
> I freebsd-upgrade'd one of my 10.3-RELEASE poudriere build servers to
> 11.1-RELEASE-p8 yesterday and have found that starting virtualbox
> panic's the system with: ncpus is 0 with non-zero map
>=20
> =C2=A0=C2=A0=C2=A0 virtualbox-ose-5.2.8_1=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 General-purpose full virtualizer for
> x86 hardware
> =C2=A0=C2=A0=C2=A0 virtualbox-ose-kmod-5.2.8_1=C2=A0=C2=A0=C2=A0 Virtua=
lBox kernel module for FreeBSD
>=20
> I have a custom kernel but the changes are minor (MAXCPU=3D64, PPS_SYNC=
,
> DDB/GDB, etc.) It doesn't look like virtualbox-ose or
> virtualbox-ose-kmod have changed very recently so I'm not sure how to
> debug this. But I'm not 100% sure I ran virtual box with the current
> version of the virtualbox-ose-kmod kernel modules loaded. The system ha=
s
> a X5690 processor with 24 cores.
>=20
> I've attached dmesg.boot
>=20
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Craig
>=20
>=20
>=20
> _______________________________________________
> freebsd-hackers@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.o=
rg"
>=20

So are you loading the virtualbox module from 10.3 into an 11.1 kernel?

You'll need to rebuild the virtualbox-ose-kmod port to match the kernel
you are running.

--=20
Allan Jude


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