# Re: mpc8xx-2.2.13 kernel hangs during boot.

- From: Dan Malek \<hidden\>
- Date: 2000-02-01 07:32:49 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2000/02/9367919
- Thread: https://ratatoskr.run/linuxppc-dev/2000/02/9367925/t.md

```text

Brendan John Simon wrote:


> .....  Maybe the MMU requires the caches ?

No, but the MMU control registers contain cache modes to use
when the MMU is disabled.....which reminds me there could be
a bug if we are running copyback.....


	-- Dan

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```