Description of problem: Observing following warning logs while creating instance: ~~~ 2017-10-26 13:16:57.178 238402 WARNING nova.virt.osinfo [req-e4a40dc6-6bb4-4df3-b1f3-1d42db80f15a d2789f5a5e124245a518377c55023898 b5a524fc0c6c4dbfa2e7853690451eb4 - - -] Cannot find OS information - Reason: (No configuration information found for operating system Empty) 2017-10-26 13:16:57.216 238402 WARNING nova.virt.osinfo [req-e4a40dc6-6bb4-4df3-b1f3-1d42db80f15a d2789f5a5e124245a518377c55023898 b5a524fc0c6c4dbfa2e7853690451eb4 - - -] Cannot find OS information - Reason: (No configuration information found for operating system Empty) 2017-10-26 13:16:57.614 238402 WARNING nova.virt.osinfo [req-e4a40dc6-6bb4-4df3-b1f3-1d42db80f15a d2789f5a5e124245a518377c55023898 b5a524fc0c6c4dbfa2e7853690451eb4 - - -] Cannot find OS information - Reason: (No configuration information found for operating system Empty) 2017-10-26 13:17:00.415 238402 WARNING nova.virt.osinfo [req-e4a40dc6-6bb4-4df3-b1f3-1d42db80f15a d2789f5a5e124245a518377c55023898 b5a524fc0c6c4dbfa2e7853690451eb4 - - -] Cannot find OS information - Reason: (No configuration information found for operating system Empty) ~~~ Version-Release number of selected component (if applicable): RHOSP 9.0 How reproducible: Always Steps to Reproduce: Create instance using horizon dashboard or nova cli, Instance creation is successful but above warning messages are logged. Expected results: How can we avoid these warnings? Additional info: Related upstream bugs : https://bugs.launchpad.net/nova/+bug/1675602
This warning is harmless, so by definition it also shouldn't be a warning. INFO at most, perhaps even DEBUG.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:1595