-
Bug
-
Resolution: Unresolved
-
Major
-
None
-
4.12.z
Description of problem:
Application of a tuned profile to reduce IRQ impact on a system with 3 physical NICs, total 16 NIC ports is getting error: ERROR tuned.plugins.plugin_scheduler: Failed to set SMP affinity of IRQ 957 to '00000003,00000003': [Errno 28] No space left on device
Version-Release number of selected component (if applicable):
SNO Openshift 4.12.54
How reproducible:
Always
Steps to Reproduce:
1. Deploy SNO
2. Apply procedure to reduce IRQ:
https://docs.openshift.com/container-platform/4.12/scalability_and_performance/cnf-low-latency-tuning.html#reducing-nic-queues-using-the-node-tuning-operator_cnf-master
3.
Actual results:
2024-04-05T20:01:19.653726830+00:00 stdout F 2024-04-05 20:01:19,653 ERROR tuned.plugins.plugin_scheduler: Failed to set SMP affinity of IRQ 957 to '00000003,00000003': [Errno 28] No space left on device 2024-04-05T20:01:19.653783723+00:00 stdout F 2024-04-05 20:01:19,653 ERROR tuned.plugins.plugin_scheduler: Failed to set SMP affinity of IRQ 958 to '00000003,00000003': [Errno 28] No space left on device 2024-04-05T20:01:19.653856624+00:00 stdout F 2024-04-05 20:01:19,653 ERROR tuned.plugins.plugin_scheduler: Failed to set SMP affinity of IRQ 959 to '00000003,00000003': [Errno 28] No space left on device
Expected results:
No issue
Additional info:
Same procedure on 4.14.17 seems to work as expected
