"WARNING: Not enough physical memory for SHM_SHARE_MMU" is Reported When Starting an Oracle DB Instance. (Doc ID 1469003.1)

Last updated on OCTOBER 05, 2017

Applies to:

Solaris Operating System - Version 10 3/05 and later
Oracle Solaris on x86-64 (64-bit)
"WARNING: Not enough physical memory for SHM_SHARE_MMU" is reported when starting an Oracle DB instance on an Intel x64 system running Solaris 10 that supports 1g pages. This document is designed to aid troubleshooting of such an issue and describe one particular cause.



Symptoms

The Alert log shows a message similar to the following during startup:

The last entry confirms the system supports 1g pages.

 

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms