[ovirt-users] R: Re: Network instability after upgrade 3.6.0 -> 3.6.1

[Alona Kaplan]

----- Original Message -----
> From: "Stefano Danzi" <s.danzi at hawai.it>
> To: "Dan Kenigsberg" <danken at redhat.com>
> Cc: users at ovirt.org
> Sent: Thursday, January 7, 2016 3:53:11 PM
> Subject: Re: [ovirt-users] R: Re: Network instability after upgrade 3.6.0 -> 3.6.1
> 
> 
> 
> Il 07/01/2016 12.18, Stefano Danzi ha scritto:
> >
> >
> > Il 06/01/2016 7.45, Dan Kenigsberg ha scritto:
> >> On Mon, Jan 04, 2016 at 01:54:37PM +0200, Dan Kenigsberg wrote:
> >>> On Mon, Jan 04, 2016 at 12:31:38PM +0100, Stefano Danzi wrote:
> >>>> I did some tests:
> >>>>
> >>>> kernel-3.10.0-327.3.1.el7.x86_64 -> bond mode 4 doesn't work (if I
> >>>> detach
> >>>> one network cable the network is stable)
> >>>> kernel-3.10.0-229.20.1.el7.x86_64 -> bond mode 4 works fine
> >>> Would you be kind to file a kernel bug in bugzilla.redhat.com?
> >>> Summarize the information from this thread (e.g. your ifcfgs and in
> >>> what
> >>> way does mode 4 doesn't work).
> >>>
> >>> To get the bug solved quickly we'd better find paying RHEL7 customer
> >>> subscribing to it. But I'll try to push from my direction.
> >> Stefano has been kind to open
> >>
> >>      Bug 1295423 - Unstable network link using bond mode = 4
> >>      https://bugzilla.redhat.com/show_bug.cgi?id=1295423
> >>
> >> which we fail to reproduce on our own lab. I'd be pleased if anybody who
> >> experiences it, and their networking config to the bug (if it is
> >> different). Can you also lay out your switch's hardware and
> >> configuration?
> >>
> >
> > I made some tests using kernel  3.10.0-327.4.4.el7.x86_64.
> > I did a TCP dump on virtual interface "DMZ" (VLAN X on bond0).
> >
> > When I have two netwok cables connected I can se ARP requests but not
> > ARP replyes.
> > When I detach one network cable I can see ARP requests and ARP replyes
> > (and networking on VM works).
> >
> > Maybe the problem isn't in bonding config but in qemu/kvm/vhost_net....
> 
> How I can enable a debug log for the bond?

Hi Michael,

Maybe you can assist.
How can debug log for bond be enabled?

> 
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>