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Date: Mon, 29 Sep 2014 21:03:19 +0200 From: Hannes Frederic Sowa <hannes@...essinduktion.org> To: Ben Greear <greearb@...delatech.com> Cc: Hongmei Li <duckcncn@...il.com>, netdev@...r.kernel.org Subject: Re: IPv6 FIB related crash with MACVLANs in 3.9.11+ kernel. On Mo, 2014-09-29 at 11:44 -0700, Ben Greear wrote: > On 09/29/2014 11:15 AM, Hongmei Li wrote: > > Thanks Hannes for your prompt response! > > > > We just encountered this issue two times in our product stability test so far, > > and my panic backtrace is the exactly same with the one reported here. > > I don't know how to reproduce the issue till now. > > I tried several method, unfortunately, I can not reproduce it by myself. :( > > We could reproduce it easily using our user-space tool that creates 1000 > mac-vlans, configures them, dumps routing tables, etc. But, we could > only reproduce it when we had the ixgbe ports unplugged. If they > were properly connected to a switch, we did not see any crashes. > > My original email on 2/3/2014 has more details, and the thread that > follows has some info on debugging we did at the time. I just tried to reproduce the problem, disabling the port on a switch and setting up 1000 macvlans on a ixgbe, enabling ipv6 and dumping routing tables. Unluckily I had no success. :( Any more hints? Bye, Hannes -- 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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