[rhos-list] Issues with the OVS and RDO kernel
Andrey Korolyov
andrey at xdel.ru
Mon Jul 8 10:04:43 UTC 2013
Hello,
There are some strange issues with kernels placed in [fedora epel-6].
First of all, OVS datapath shipped with RHEL/RedPatch kernel seems to
be broken an all possible ways - connectivity isn`t working within two
bridges connected via patchport neither via gre tunnels, both parts of
openstack network topology (of course tunnels can be replaced with the
vlan tags, but it`ll not fix connectivity).
To summarize current problems:
- 2.6.32-358.111.1.openstack.el6.x86_64 does not work with the
third-party OVS module well ('openvswitch: cannot register gre
protocol handler' kernel message) and built-in implementation does not
work at all,
- as RDO does not include glibc support for namespace, seems that the
144e6ce1679a768e987230efb4afa402a5ab58ac cannot be easily included,
but bug with missing mounts is presented - I observed that the
namespace was hold at least once by metadata agent when no entries was
matched over /proc/pid/mounts.
Any thoughts on how I may get working gre tunnels on the latest
namespace-patched kernel will be highly appreciated. Previous one
seems to be working in some way with tunnels, but not in the topology
provided by openstack.
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