On Tue, Jan 09, 2018 at 10:06:51AM +0100, Tobias Hommel wrote: > > > > You have CONFIG_INET_ESP_OFFLOAD enabled, this is new maybe it > > still has some problems. You should not hit an offload codepath > > because all your SAs are configured with UDP encapsulation which > > is still not supported with offload. > > > > Please try to disable GRO on both interfaces and see what happens: > > > > ethtool -K eth0 gro off > > ethtool -K eth1 gro off > I actually already tried that with only eth1 off, to verify I turned > offloading > off for both interfaces. The same problem: see attached panic.gro_off.log > > > > > Then disable CONFIG_INET_ESP_OFFLOAD and try again. > Rebuild with CONFIG_INET_ESP_OFFLOAD disabled, same problem: see attached > panic.esp_offload_disabled.log
So ESP offload is not the problem. Next thing that comes to my mind is the flowcache removal, this was introduced with v4.14. > > > > > This should show us if this feature is responsible for the bug. > > > > I will try narrowing down the problem by trying out some older kernels for > now. Thanks! Let me know about the results.