On Wed, May 14, 2014, at 2:57, dormando wrote: > Given a machine with frequently changing routes (ie; a router with an > active internet BGP table and multiple interfaces), there're at least > several places where obsolete dst's are handled improperly. If I pause > the > route changes, the crashes appear to stop. This first one has a crash > utility we've made, so I was able to more quickly find a patch and test > it. The others take time to reproduce. > > I'm testing against 3.10.39, but I think if these were fixed they'd be > backported to stable? I've also had recent 3.12's running that have > crashed in the same spots. Anyway correct me if I'm wrong...
Just a hunch: You use macvlan? Could you somehow try without? Maybe... some ref overflow? (You could add some testing code in dst_hold with atomic_inc_return and WARN_ON). dst_release already contains such a check, so I am not sure at all if that could happen. Bye, Hannes -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/