On Mon, 8 May 2017, Mohammad Khalil wrote:

Hi all

I have upgraded my router from 5.3.4 to 6.1.2 , and I have stuck at

Processor family/kernel mismatch (2/4)
Crash[0,0] at init_cpu line 220


Becuase I have discovered that RSP-8G is not supported on the 6.1.x train


I have 5.3.4 mini already , I just want to roll back to it


Any help?

You need to re-install IOS XR. The re-install procedure is called "turbo boot".

https://supportforums.cisco.com/document/123576/asr9000xr-understanding-turboboot-and-initial-system-bring

--
Mikael Abrahamsson    email: swm...@swm.pp.se
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