On Wed, 2015-11-04 at 13:19 +0100, Wolfgang Walter wrote: > Today I found a problem: on a router forwarding GRE-packets (ipv4) (it is not > the endpount) the interface (intel igb) stops sending packets after some > time. > I think this happens when an ISATAP packet is inside the GRE-packet. > > gre packets arrives on eth0 > eth1 stops sending (receiving still works) > ethtool -r eth1 > eth1 works again for some time > > Switching GRO off on eth0 "fixes" the problem. > > I didn't test vanilla 4.1.12 yet, though. Until today 4.1.11 has been running > on the router. What I tested was your patch > "gre_gso_segment() chokes if SIT frames were aggregated by GRO engine." > but did not solve the problem. > > So I would not recommend to backport it to longterm 4.1. > > My plans are: > > * test vanilla 4.1.12 > * test 4.3 > > I want to test 4.3 on another router first, though.
If the NIC stops sending packets after some time, it might be an igb issue. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
