On Fri, Jan 20, 2012 at 02:21:09PM -0800, Jesse Gross wrote:
> On Fri, Jan 20, 2012 at 1:50 AM, Brandon Heller <[email protected]> wrote:
> > I'm trying to run a single system that has OVS as well as the draft Linux
> > implementation of Multi-Path TCP. ??Briefly, MPTCP uses multiple subflows to
> > take advantage of multiple interfaces (such as WiFi + WiFi + WiMax) or
> > multiple paths (within a Fat Tree in an ECMP-based data center). ??The
> > project is fairly young, and more details are available
> > at??http://mptcp.info.ucl.ac.be/. ??I did not write any of this code.
> >
> > On an Ubuntu 3.0.0-15-generic kernel on an Ubuntu 11.10 system w/OVS
> > {1.2.2/1.3.0}, I have no issues w/OVS. ??When using 3.0.0-15-mptcp, which
> > has
> > about 11K lines of MPTCP-specific changes, plus a few small config changes,
> > I cannot instantiate a datapath:
>
> It's hard to say. They made a lot of changes to their local copy of
> the Linux tree and likely they did something incompatible, so it's not
> really possible to support a version of Linux with arbitrary
> modifications to it.
That was my first reaction too, but the traceback implies that the
following WARN_ON in datapath.c:dp_ifinfo_notify() triggered and I
really don't understand how that would happen:
/* -EMSGSIZE implies BUG in br_nlmsg_size() */
WARN_ON(err == -EMSGSIZE);
goto err;
_______________________________________________
discuss mailing list
[email protected]
http://openvswitch.org/mailman/listinfo/discuss
