Unfortunately this is a known issue. We're working on a fix: https://bugs.launchpad.net/oslo/+bug/1327946 On 08/07/2014 03:57 AM, Alex Xu wrote: > When I startup nova-network, it stuck at trying get lock for ebtables. > > @utils.synchronized('ebtables', external=True) > def ensure_ebtables_rules(rules, table='filter'): > ..... > > Checking the code found that invoke utils.synchronized without parameter > lock_path, the code will try to use > posix semaphore. > > But posix semaphore won't release even the process crashed. Should we > fix it? I saw a lot of call for synchronized > without lock_path. > > Thanks > Alex > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev at lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >