[ovs-dev] [PATCH] tests: Add and improve stp tests.

[Ben Pfaff]

On Mon, Mar 20, 2017 at 02:15:24PM -0700, Joe Stringer wrote:
> On 9 March 2017 at 03:49, nickcooper-zhangtonghao <nic at opencloud.tech> wrote:
> > +ovs-appctl time/warp 1000
> > +AT_CHECK([ovs-appctl netdev-dummy/receive br0 \
> > +        '01005E010101000C29A027D18100000108004500001C000100004002CBCBAC102201E00101011114EEEB00000000'])
> > +
> > +OVS_WAIT_UNTIL([ovs-appctl fdb/show br0 | grep '00:0c:29:a0:27:d1'])
> > +OVS_WAIT_UNTIL([ovs-appctl fdb/show br1 | grep '00:0c:29:a0:27:d1'])
> > +OVS_WAIT_UNTIL([ovs-appctl fdb/show br2 | grep '00:0c:29:a0:27:d1'])
> > +
> > +OVS_WAIT_UNTIL([ovs-appctl mdb/show br0 | grep 'querier'])
> 
> Hmm, on my system this test just times out on this line and I get the
> dreaded 'hard failure' (ie, it tried several times and the condition
> never became true).
> 
> (My system is a bit weird, with newer kernel, python3 by default and
> other things, but I don't see how any of that relates to this
> particular problem..)

As a minor point here, I can at least confirm that I did run the tests
before applying them and that they pass on my system (and I've run them
since applying too), so that there is really likely to be some kind of
difference between machines.