System Out of Memory Due To Iincorrect Seting of /etc/sysctl.conf min_free_kbytes (Doc ID 1436855.1)

Last updated on APRIL 20, 2017

Applies to:

Linux OS - Version Oracle Linux 5.1 and later
Oracle Net Services - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Linux x86-64
Linux x86

Symptoms

During system initialisation after boot, a kernel panic occurred after the startup of udev, reporting out of memory ("oom") condition.

Extract from console:

INIT: version 2.86 booting
                        Welcome to Enterprise Linux Server
                        Press 'I' to enter interactive startup.
Setting clock (utc): Mon Mar 12 19:20:13 EDT 2012         [OK]
Starting udev:                                                                       [OK]
Kernel panic - not syncing: Out of memory and no killable processes...

Changes

Attempted tuning of system memory allocation parameters.

Cause

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