On our server with 32 cores we see this in /var/log/syslog.
May 5 12:26:28 kbase /usr/sbin/irqbalance: irq 104 affinity_hint subset empty
May 5 12:26:28 kbase /usr/sbin/irqbalance: irq 105 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 98 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 99 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 100 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 101 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 102 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 103 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 104 affinity_hint subset empty
May 5 12:26:38 kbase /usr/sbin/irqbalance: irq 105 affinity_hint subset empty
HINTPOLICY=ignore
in /etc/default/irqbalance
on the system?
Regards
Johann
--
Because experiencing your loyal love is better than life itself,
my lips will praise you. (Psalm 63:3)