IRQ(Interrupt Request) is Being Shared by Drivers With Different Interrupt Levels in Solaris (Doc ID 1323883.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 10 9/10 U9 and later
Information in this document applies to any platform.

Symptoms

While booting, a message similar to this one is logged in /var/adm/messages.

May 12 13:00:16 solaris10 unix: [ID 954099 kern.info] NOTICE: IRQ22 is being shared by drivers with different interrupt levels.
May 12 13:00:16 solaris10 This may result in reduced system performance.

The IRQ number can vary (e.g. IRQ19, IRQ18)

Cause

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