memory for crash kernel (0x0 to 0x0) notwithin permissible range

From houseoflinux.com

I decided to create an article about this because many people asked me why do CentOS / Redhat shows that message when you boot up the system. I did a small research and I found in a forum that is in the first page of Google answers like “you should ignore that message”. Well that is really not an error message it is a warning saying that you haven’t setup a amount of ram memory for the kdump.
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Continue Readingmemory for crash kernel (0x0 to 0x0) notwithin permissible range