# [OmniOS-discuss] Ang: Re: Ang: KVM vnics not starting

Johan Kragsterman johan.kragsterman at capvert.se
Fri Jun 26 14:30:56 UTC 2015

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    Hi!

    -----Graham Stephens <graham at thestephensdomain.com> skrev: -----
    Till: Johan Kragsterman <johan.kragsterman at capvert.se>
    Från: Graham Stephens <graham at thestephensdomain.com>
    Datum: 2015-06-26 16:24
    Kopia: omnios-discuss at lists.omniti.com
    Ärende: Re: Ang: [OmniOS-discuss] KVM vnics not starting

    On 26/06/2015 14:37, Johan Kragsterman wrote:
    > Hi!
    >
    >
    > -----"OmniOS-discuss" <omnios-discuss-bounces at lists.omniti.com> skrev: -----
    > Till: omnios-discuss at lists.omniti.com
    > Från: Graham Stephens
    > Sänt av: "OmniOS-discuss"
    > Datum: 2015-06-26 11:20
    > Ärende: [OmniOS-discuss] KVM vnics not starting
    >
    > Guys,
    >
    > Does anyone else here have problems trying to start a kvm due to vnics
    > not initializing properly? It seems to me that the more vnics you add,
    > the more likely the problem is to occur.
    > The firewall that I'm trying to build currently has four vnics attached,
    > and I'm intending to add more before I'm finished - but frequently when
    > I try to start it one will fail to 'catch' (like starting an old car)
    > and kvm fails. It's usually the third or fourth vnic, but not always. I
    > have to keep retrying the start script, and eventually it will work but
    > it can take five minutes for the darn thing to come up.
    >
    > Is there a setting I have missed?
    >
    >
    >
    > I've never seen this!
    >
    > I have used VM firewalls/routers with 5 vnic's or more, never seen it.
    >
    > Johan
    >

    Hi Johan,

    Can I ask some questions (speculations)?

    Are you running the VMs from inside zones?

    No VM's inside zone's, so far....

    Are they attached to physical nics or virtual ones?

    That I don't understand, VM's needs virtual nics? Perhaps you mean vnic attached to etherstubs? I use both sorts, both to etherstubs and to phys nics.

    Are you using hyperthreaded CPUs?

    Yes, I use HT.

    Johan

    Perhaps one of these might make a difference.

    Graham.

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