While using "crashkernel=1024M,high" for kdump memory reservation, kdump fails with error "No memory reserved for crash kernel" (Doc ID 2242058.1)

Last updated on MARCH 09, 2017

Applies to:

Linux OS - Version Oracle Linux 7.3 with Unbreakable Enterprise Kerne [4.1.12] and later
Linux x86-64

Symptoms

While using "crashkernel=1024M,high" for kdump memory reservation on a server configured with large amounts of memory, the kdump service fails with the below errors:

Changes

 sysctl.conf values were modified as required for DB installation.

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