https://review.openstack.org/#change,4754
my devstack setup seems to be having problems with latest trunks, so it may take me a bit longer to test latest. Are you able to test it locally? Two-line change (only one line strictly required). Dan On Thu, Mar 1, 2012 at 9:41 AM, Dan Wendlandt <d...@nicira.com> wrote: > Hi Doude, > > At a glance, it seems that unplug() being called twice, with the second > call failing because the first call successfully unplugged the vif already. > > > The unplug() action on the bridge does nothing, so there's no harm in > calling it twice, which may explain why this is only seen with OVS. > > A quick workaround would be to remove the "raise" line at the end of the > unplug() method for LibvirtOpenVswitchDriver, in which case you will see > the log message still, but it should not disrupt the reboot (this is > probably better behavior as well, regardless of the true cause of the bug). > > > We'll look into this. I created this bug to track discussion on the fix: > https://bugs.launchpad.net/nova/+bug/944168 > > Dan > > > On Thu, Mar 1, 2012 at 9:18 AM, Doude <doudou...@gmail.com> wrote: > >> When I try reboot a VM, the nova-compute fails and the daemon stop. >> It fails on unpluging VIF interface of the rebooted VM. I use Nova >> with Quantum and OVS. >> >> 2012-03-01 18:12:31 DEBUG nova.rpc.common [-] Making asynchronous call >> on network ... from (pid=21485) multicall >> /usr/local/src/nova/nova/rpc/amqp.py:318 >> 2012-03-01 18:12:31 DEBUG nova.rpc.common [-] MSG_ID is >> b77f0f284af045f396b90fddd16f724e from (pid=21485) multicall >> /usr/local/src/nova/nova/rpc/amqp.py:321 >> 2012-03-01 18:12:33 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap ovs-vsctl del-port br-int tap9f5ef54c-38 from >> (pid=21485) execute /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:33 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap ip link delete tap9f5ef54c-38 from (pid=21485) >> execute /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap ovs-vsctl del-port br-int tap285c8465-dd from >> (pid=21485) execute /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap ip link delete tap285c8465-dd from (pid=21485) >> execute /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Attempting to grab semaphore >> "iptables" for method "apply"... from (pid=21485) inner >> /usr/local/src/nova/nova/utils.py:824 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Got semaphore "iptables" for >> method "apply"... from (pid=21485) inner >> /usr/local/src/nova/nova/utils.py:828 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Attempting to grab file lock >> "iptables" for method "apply"... from (pid=21485) inner >> /usr/local/src/nova/nova/utils.py:832 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Got file lock "iptables" for >> method "apply"... from (pid=21485) inner >> /usr/local/src/nova/nova/utils.py:839 >> 2012-03-01 18:12:34 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap iptables-save -t filter from (pid=21485) execute >> /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:35 INFO nova.virt.libvirt.connection [-] [instance: >> 9300df8d-1a47-40ce-b90e-28f1a84f064d] Instance destroyed successfully. >> 2012-03-01 18:12:35 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap iptables-restore from (pid=21485) execute >> /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:35 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap iptables-save -t nat from (pid=21485) execute >> /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:35 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap iptables-restore from (pid=21485) execute >> /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:35 DEBUG nova.network.linux_net [-] >> IPTablesManager.apply completed with success from (pid=21485) apply >> /usr/local/src/nova/nova/network/linux_net.py:336 >> 2012-03-01 18:12:37 DEBUG nova.utils [-] Running cmd (subprocess): >> sudo nova-rootwrap ovs-vsctl del-port br-int tap9f5ef54c-38 from >> (pid=21485) execute /usr/local/src/nova/nova/utils.py:208 >> 2012-03-01 18:12:37 DEBUG nova.utils [-] Result was 1 from (pid=21485) >> execute /usr/local/src/nova/nova/utils.py:224 >> 2012-03-01 18:12:37 WARNING nova.virt.libvirt.vif [-] Failed while >> unplugging vif of instance 'instance-00000002' >> >> Do you have this problem ? >> >> Regards, >> Doude. >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : openstack@lists.launchpad.net >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp >> > > > > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Dan Wendlandt > Nicira Networks: www.nicira.com > twitter: danwendlandt > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~ Dan Wendlandt Nicira Networks: www.nicira.com twitter: danwendlandt ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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