On Mon, 9 Feb 2015 16:24:41 +0800 Zang MingJie <[email protected]> wrote:
> Hi all: > > I'm developing a neutron agent based on ryu controller. > > I found ryu controller randomly hang when doing stress test, below is > the stacktrace of hanged greenthread: You use ofa_neutron_agent? What kinda of the stress test? > ------ Green Thread ------ > > /usr/lib/python2.7/dist-packages/eventlet/greenthread.py:194 in main > `result = function(*args, **kwargs)` > > /usr/lib/python2.7/dist-packages/ryu/lib/hub.py:52 in _launch > `func(*args, **kwargs)` > > /usr/lib/python2.7/dist-packages/ryu/base/app_manager.py:274 in _event_loop > `handler(ev)` > > /usr/lib/python2.7/dist-packages/neutron/plugins/ofagent/agent/ofa_neutron_agent.py:713 > in _packet_in_handler > `self.agent._of_packet_in(ev)` > > /usr/lib/python2.7/dist-packages/neutron/common/log.py:34 in wrapper > `return method(*args, **kwargs)` > > /usr/lib/python2.7/dist-packages/neutron/plugins/ofagent/agent/ofa_neutron_agent.py:1028 > in _of_packet_in > `self.remove_flows(ofpp.OFPMatch(eth_src=p_ether.dst))` > > /usr/lib/python2.7/dist-packages/neutron/plugins/ofagent/agent/ofa_neutron_agent.py:883 > in remove_flows > `ryu_api.send_msg(app=self.ryuapp, msg=flow)` > > /usr/lib/python2.7/dist-packages/ryu/app/ofctl/api.py:65 in send_msg > `reply_multi=reply_multi))()` > > /usr/lib/python2.7/dist-packages/ryu/base/app_manager.py:265 in send_request > `return req.reply_q.get()` > > /usr/lib/python2.7/dist-packages/eventlet/queue.py:298 in get > `return waiter.wait()` > > /usr/lib/python2.7/dist-packages/eventlet/queue.py:129 in wait > `return get_hub().switch()` > > /usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py:187 in switch > `return self.greenlet.switch()` > > > the green thread will hang for days never recover. I have several > green thread sending openflow commands, I don't know if it is causing > problems > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming. The Go Parallel Website, > sponsored by Intel and developed in partnership with Slashdot Media, is your > hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials and more. Take a > look and join the conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Ryu-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ryu-devel ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Ryu-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ryu-devel
