Re: Linux 4.4.34

From: Eric Dumazet
Date: Tue Nov 22 2016 - 13:18:38 EST

On Tue, Nov 22, 2016 at 10:08 AM, Duyck, Alexander H
<alexander.h.duyck@xxxxxxxxx> wrote:

> Okay I think I have figured it out, but I am not sure what a good
> solution is.
> I think the problem is the fact that the keys may not be initialized
> until init_default_flow_dissectors is called and I am not sure that is
> happening before the network interface is trying to do DHCP.
> I have to look at the initialization framework to verify if that is the
> case. It would make sense why I don't usually see it though since I
> usually run igb as a module and that doesn't get loaded until later if
> I am not mistaken.

Oh that might be that, goot catch !

Time to try :

diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 69e4463a4b1b..c6d8207ffa7e 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1013,4 +1013,4 @@ static int __init init_default_flow_dissectors(void)
return 0;