** Changed in: nova/juno
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1415768
Title:
the pci deivce assigned to instance is inconsistent with DB record
when restarting nova-compute
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) juno series:
Fix Released
Bug description:
After restarting nova-compute process, I found that the pci device
assigned to instance in libvirt.xml was different with the record in
'pci_devices' DB table.
Every time nova-compute was restarted, pci_tracker.allocations was
reset to empty dict, it didn't contain the pci devices had been
allocated to instances, so some pci devices would be reallocated to
the instances, and record these pci into DB, maybe they was
inconsistent with the libvirt.xml.
IOW, nova-compute would reallocated the pci device for the instance
with pci request when restarting.
See details:
http://git.openstack.org/cgit/openstack/nova/tree/nova/compute/resource_tracker.py#n347
This is a probabilistic problem, not always can be reproduced. If the
instance have a lot of pci devices, it happen more.
Face this bug in kilo master.
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