[ovs-dev] [PATCHv5] tunnel: Add layer 2 IPv6 GRE encapsulation support.
gvrose8192 at gmail.com
Tue Jul 2 23:07:35 UTC 2019
On 7/2/2019 10:42 AM, Gregory Rose wrote:
> On 7/1/2019 12:45 PM, William Tu wrote:
>> The patch adds ip6gre support. Tunnel type 'ip6gre' with packet_type=
>> legacy_l2 is a layer 2 GRE tunnel over IPv6, carrying inner ethernet
>> and encap with GRE header with outer IPv6 header. Encapsulation of
>> layer 3
>> packet over IPv6 GRE, ip6gre, is not supported yet. I tested it by
>> # make check-kernel TESTSUITEFLAGS='-k ip6gre'
>> under kernel 5.2 and for userspace:
>> # make check TESTSUITEFLAGS='-k ip6gre'
> On a Ubuntu 18.04 system with the distro provided 4.15.0-43-generic
> kernel I get the following splat:
> [ 510.469589] Kernel panic - not syncing: Fatal exception in interrupt
> [ 510.470789] Kernel Offset: 0x1e000000 from 0xffffffff81000000
> (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
> [ 510.471360] ---[ end Kernel panic - not syncing: Fatal exception in
I've run into an interesting problem but I don't think it's related to
this patch. I can revert the patch on that system and get the same problem.
In the interest of getting this patch tested and reviewed I'll just try
a different distro/machine.
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