[ovs-dev] Issue with latest master on Fedora

Jesse Gross jesse at nicira.com
Thu Oct 24 20:20:45 UTC 2013


On Thu, Oct 24, 2013 at 12:59 PM, Kyle Mestery (kmestery)
<kmestery at cisco.com> wrote:
> I'm seeing the following error on *one* of my Fedora test VMs.
> It's strange because on the other two, I don't see the GRE errors
> below. Any ideas as to what might be going wrong?
>
> [kmestery at km-dhcp-64-197 ~]$ dmesg|grep gre
> [    0.175404] ACPI: Added _OSI(Processor Aggregator Device)
> [    8.365982] gre: GRE over IPv4 demultiplexor driver
> [    8.388929] gre_compat_init: cannot register gre_cisco protocol handler
> [    8.388932] openvswitch: cannot register gre protocol handler

My guess is that the upstream GRE module is loaded. Even though OVS
uses the Linux GRE dataplane in 3.11, the out-of-tree module will only
start using it in 3.12 to keep the compatibility layer simple (since
that's when the VXLAN changes come in).



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