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Date: Wed, 02 Dec 2015 12:40:32 +0100 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: Stefan Priebe - Profihost AG <s.priebe@...fihost.ag>, Florian Weimer <fweimer@...hat.com> Cc: Thomas Gleixner <tglx@...utronix.de>, netdev@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au Subject: Re: Asterisk deadlocks since Kernel 4.1 Hello Stefan, Stefan Priebe - Profihost AG <s.priebe@...fihost.ag> writes: > here are the results. > > It works with 4.1. > It works with 4.2. > It does not work with 4.1.13. > > git bisect tells me it stopped working after those two commits were applied: > > commit d48623677191e0f035d7afd344f92cf880b01f8e > Author: Herbert Xu <herbert@...dor.apana.org.au> > Date: Tue Sep 22 11:38:56 2015 +0800 > > netlink: Replace rhash_portid with bound > > commit 4e27762417669cb459971635be550eb7b5598286 > Author: Herbert Xu <herbert@...dor.apana.org.au> > Date: Fri Sep 18 19:16:50 2015 +0800 > > netlink: Fix autobind race condition that leads to zero port ID Cool, thanks a lot. Does this patch make a difference? diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 59651af..278e94c 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1137,7 +1137,7 @@ static int netlink_insert(struct sock *sk, u32 portid) /* We need to ensure that the socket is hashed and visible. */ smp_wmb(); - nlk_sk(sk)->bound = portid; + nlk_sk(sk)->bound = true; err: release_sock(sk); -- 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
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