# RE: \[PATCH\] Fix cpm uart corruption with PREEMPT\_RT

- From: Rune Torgersen \<hidden\>
- Date: 2008-05-20 19:34:58 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2008/05/9440324
- Thread: https://ratatoskr.run/linuxppc-dev/2008/05/9440319/t.md

```text
Scott Wood wrote:
> On Tue, May 20, 2008 at 02:28:16PM -0500, Rune Torgersen wrote:
>> Fix CPM serial port corruption when running with CONFIG_PREEMPT_RT.
>> Userland usage of console, and kernel printf's were stepping on each
>> others toes.=20
>>=20
>=20
> We should bypass the lock when oops_in_progress is set, something
> like:=20
>=20

Ok, will respin.
```