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Date: Fri, 21 May 2010 15:21:44 -0700 From: Emil S Tantilov <emils.tantilov@...il.com> To: Stephen Hemminger <shemminger@...tta.com>, "David S. Miller" <davem@...emloft.net>, NetDev <netdev@...r.kernel.org> Cc: "Tantilov, Emil S" <emil.s.tantilov@...el.com> Subject: Re: [PATCH 1/4] IPv6: keep route for tentative address On Mon, Apr 12, 2010 at 1:17 PM, Tantilov, Emil S <emil.s.tantilov@...el.com> wrote: > Stephen Hemminger wrote: >> Recent changes preserve IPv6 address when link goes down (good). >> But would cause address to point to dead dst entry (bad). >> The simplest fix is to just not delete route if address is >> being held for later use. >> >> Signed-off-by: Stephen Hemminger <shemminger@...tta.com> >> >> >> --- a/net/ipv6/addrconf.c 2010-04-11 12:19:37.938082190 -0700 >> +++ b/net/ipv6/addrconf.c 2010-04-11 12:25:05.349309074 -0700 >> @@ -4046,7 +4046,8 @@ static void __ipv6_ifa_notify(int event, >> addrconf_leave_anycast(ifp); >> addrconf_leave_solict(ifp->idev, &ifp->addr); >> dst_hold(&ifp->rt->u.dst); >> - if (ip6_del_rt(ifp->rt)) >> + >> + if (ifp->dead && ip6_del_rt(ifp->rt)) >> dst_free(&ifp->rt->u.dst); >> break; >> } > > Stephen, > > With these series of patches (1-4) applied I am no longer seeing the > hangs and warnings associated with ipv6. I ran few rounds of > tests with resetting the interface and loading/unloading modules. Looks like these patches did not make it into net-2.6 and the issue can be seen in the latest stable 2.6.34. Any chance that the patches can be pushed to 2.6.34-stable? Thanks, Emil -- 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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