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Date: Thu, 16 Jan 2014 14:53:23 +0100 From: Jiri Pirko <jiri@...nulli.us> To: hannes@...essinduktion.org Cc: netdev@...r.kernel.org Subject: ipv6 addrconfg warn_on hit: WARN_ON(ifp->idev->valid_ll_addr_cnt < 0); Hi Hannes. WARN_ON(ifp->idev->valid_ll_addr_cnt < 0); We did hit once this warning during the tests. The person who hit this says that it was during the setup of many macvlan devices. I examined the code but I'm not sure how this could happen. Looks like a race condition between addrconf_dad_completed() and addrconf_ifdown(). Not sure how to easily resolve that though. Would you please take a look? Thanks! Jiri -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html