** Changed in: nova
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1371677
Title:
Race in resource tracker causes 500 response on deleting during
verify_resize state
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
During a tempest run occasionally a during the
tempest.api.compute.servers.test_delete_server.DeleteServersTestJSON.test_delete_server_while_in_verify_resize_state
test it will fail when the test attempts to delete a server in the
verify_resize state. The failure is caused by a 500 response given being
returned from nova. Looking at the nova-api log this is caused by an rpc call
never receiving a response:
http://logs.openstack.org/10/110110/40/check/check-tempest-dsvm-
postgres-
full/4cd8a81/logs/screen-n-api.txt.gz#_2014-09-19_10_24_07_221
looking at the n-cpu logs for the handling of that rpc call yields:
http://logs.openstack.org/10/110110/40/check/check-tempest-dsvm-
postgres-
full/4cd8a81/logs/screen-n-cpu.txt.gz#_2014-09-19_10_24_31_404
Which looks like it is coming from attempting to updating the resource
tracker being triggered by the server deletion. However the volume
from that failure according to the tempest log is coming from a
different test, in the test class ServerRescueNegativeTestJSON. It
appears the tearDownClass for that test class is running concurrently
with the failed test, and causing a race in the resource tracker,
where the volume it expects to be there disappears, so when it goes to
get the size it fails.
Full logs for an example run that tripped this is here:
http://logs.openstack.org/10/110110/40/check/check-tempest-dsvm-postgres-full/4cd8a81
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