** Changed in: tripleo
Status: Fix Released => Triaged
** Changed in: tripleo
Assignee: Bogdan Dobrelya (bogdando) => (unassigned)
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https://bugs.launchpad.net/bugs/1829062
Title:
nova placement api non-responsive due to eventlet error
Status in OpenStack Compute (nova):
New
Status in StarlingX:
Fix Released
Status in tripleo:
Triaged
Bug description:
In starlingx setup, we're running a nova docker image based on nova
stable/stein as of May 6.
We're seeing nova-compute processes stalling and not creating resource
providers with placement.
openstack hypervisor list
+----+---------------------+-----------------+-----------------+-------+
| ID | Hypervisor Hostname | Hypervisor Type | Host IP | State |
+----+---------------------+-----------------+-----------------+-------+
| 5 | worker-1 | QEMU | 192.168.206.247 | down |
| 8 | worker-2 | QEMU | 192.168.206.211 | down |
+----+---------------------+-----------------+-----------------+-------+
Observe this error in nova-placement-api logs related to eventlet at same
time:
2019-05-14 00:44:03.636229 Traceback (most recent call last):
2019-05-14 00:44:03.636276 File
"/var/lib/openstack/lib/python2.7/site-packages/eventlet/hubs/hub.py", line
460, in fire_timers
2019-05-14 00:44:03.636536 timer()
2019-05-14 00:44:03.636560 File
"/var/lib/openstack/lib/python2.7/site-packages/eventlet/hubs/timer.py", line
59, in _call_
2019-05-14 00:44:03.636647 cb(*args, **kw)
2019-05-14 00:44:03.636661 File
"/var/lib/openstack/lib/python2.7/site-packages/eventlet/semaphore.py", line
147, in _do_acquire
2019-05-14 00:44:03.636774 waiter.switch()
2019-05-14 00:44:03.636792 error: cannot switch to a different thread
This is a new behaviour for us in stable/stein and suspect this is due to
merge of eventlet related change on May 4:
https://github.com/openstack/nova/commit/6755034e109079fb5e8bbafcd611a919f0884d14
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