Issue with igb and lagg (was Re: Problem with link aggregation + sshd)

[Jack Vogel]

On Wed, Sep 12, 2012 at 1:51 PM, Freddie Cash <fjwcash at gmail.com> wrote:

> On Wed, Sep 12, 2012 at 1:48 PM, Jack Vogel <jfvogel at gmail.com> wrote:
> > On Wed, Sep 12, 2012 at 12:40 PM, Freddie Cash <fjwcash at gmail.com>
> wrote:
> >> 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.
>
> Well, I did say "seems to".  :)
>
> igb+lagg worked for us on 8.3.  Haven't tried it since moving to 9.0
> and 9-STABLE on those three boxes.
>
> igb+lagg doesn't work for him on 9.0.  Although, I don't recall if
> non-LACP options were tried earlier in this thread, or if it's just
> the LACP mode that's failing.  If one mode works (say failover) and
> LACP mode doesn't, that "seems to" point to lagg.
>
> I'll see if I can free up an igb port on my 9.0 and 9-STABLE boxes to
> test this with as well.
>
>

I wouldn't use 9.0, go with 9.1 RC or whatever has the latest igb code,
if you see the issue there I can see about getting some time to look into
it here.

Jack