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Date:      Wed, 12 Sep 2012 13:48:00 -0700
From:      Jack Vogel <jfvogel@gmail.com>
To:        Freddie Cash <fjwcash@gmail.com>
Cc:        freebsd-net@freebsd.org, Giulio Ferro <auryn@zirakzigil.org>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>
Subject:   Re: Issue with igb and lagg (was Re: Problem with link aggregation + sshd)
Message-ID:  <CAFOYbcmXv7d7=mfafR3JsEkwgSN1dZtmvqmp1p2PXyV27oH9GQ@mail.gmail.com>
In-Reply-To: <CAOjFWZ682YTzN-PQwujdm=kVvyQpJzNb7wtbVNZnMcjOn_gFeg@mail.gmail.com>
References:  <5033FB17.7020600@zirakzigil.org> <503884A0.50708@zirakzigil.org> <FF06542A-9507-4C8C-99EC-8275B04D4CF1@my.gd> <E183609A-19E1-4EF4-B08D-FAA55779E193@my.gd> <503BC8F5.3040208@zirakzigil.org> <CAE63ME6oi_5Yam5wXuJzYBhhv%2BN6MnQPOXReXo2Ugo1hjvv25Q@mail.gmail.com> <503E7A16.6030600@zirakzigil.org> <5044F62E.8030001@zirakzigil.org> <CAPyG9gMaNnLJOE00bH66qpAoJfdU=YtpUvz24fj%2B1nyvjDDCAg@mail.gmail.com> <504FA735.709@zirakzigil.org> <CAOjFWZ4kr3sVmymCgh5Fchhm2QR42GAquwHhdgA=MBLY4U-xhA@mail.gmail.com> <5050E107.6090403@zirakzigil.org> <CAOjFWZ682YTzN-PQwujdm=kVvyQpJzNb7wtbVNZnMcjOn_gFeg@mail.gmail.com>

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On Wed, Sep 12, 2012 at 12:40 PM, Freddie Cash <fjwcash@gmail.com> wrote:

> On Wed, Sep 12, 2012 at 12:22 PM, Giulio Ferro <auryn@zirakzigil.org>
> wrote:
> > On 09/11/2012 11:34 PM, Freddie Cash wrote:
> >>
> >> On Sep 11, 2012 2:12 PM, "Giulio Ferro" <auryn@zirakzigil.org
> >> <mailto:auryn@zirakzigil.org>> wrote:
> >>  >
> >>  > Well, there definitely seems to be a problem with igb and lagg.
> >>  >
> >>  > igb alone works as it should, but doesn't seem to work properly in
> >> lagg.
> >>  >
> >>  > To be sure I started from scratch from a 9.0 release with nothing
> but:
> >>  >
> >>  > /etc/rc.conf
> >>  > ---------------------------------------------------
> >>  > ifconfig_igb0="inet ..."
> >>  >
> >>  > ifconfig_igb1="up"
> >>  > ifconfig_igb2="up"
> >>  > ifconfig_igb3="up"
> >>  >
> >>  > cloned_interfaces="lagg0"
> >>  > ifconfig_lagg0="laggproto lacp laggport igb1 laggport igb2 laggport
> >> igb3 192.168.x.x/24"
> >>  >
> >>  > sshd_enable="YES"
> >>  > ---------------------------------------------------
> >>  >
> >>  > This doesn't even manage to start sshd, it just hangs there at boot.
> >>  >
> >>  > Disabling lagg configuration everything works correctly.
> >>  >
> >>
> >> Just curious: does it work if you split the lagg configuration from the
> >> IP config:
> >>
> >> ifconfig_lagg0="laggproto ..."
> >> ifconfig_lagg0_alias0="inet 192..."
> >>
> >> I've had problems in the past with cloned interfaces not working right
> >> if you do everything in one ifconfig line. Never spent much time
> >> debugging it, though, as the split config always worked.
> >>
> >
> > Nope, doesn't work. It always hangs at boot and cannot be killed
> (freebsd 9
> > RELEASE)
> >
> > I still think the problem is with lagg and / or igb.
> > Someone should look into it.
>
> Thanks for checking.  I've used lagg(4) with igb, just not on 9.x.
>
> You're right, it seems to be pointing to the igb(4) driver in 9.x
> compared to < 9.0.
>
> How do you determine that since it doesn't happen without lagg?  I've no
reports
of igb hanging otherwise and its being used extensively.

Jack


> --
> Freddie Cash
> fjwcash@gmail.com
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-stable
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