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SubjectRe: Problem with tty changes in linux-next
> > 2. A more serious problem is that printing kernel message no more works
> > after running into userspace.
> > ....
> > Freeing init memory: 100K
> > 3sy||_|_|
> > phyCORE login:
> > ....
> > The boot message between init and login sheel is printed only
> > partly. The cursor jumps back and forward. It seems that part the
> > special characters like new line etc. are cutted away so that the
> > printout is shown in such a funny manner. After a tty is spawned, every
> > thing works just well. I can log in onto the system and it seems to work
> > so far. I bisected the kernel and identified eventually
> > fb11bee14186af87ee6abb833cf1a2a6be59c65b as the
> > first bad commit. The actual problem should be, however,
> > 36c621d82b956ff6ff72273f848af53e6c581aba, where tty_port_block_til_ready()
> > is introduced. Seems to me that there are locking problems. I
> > unfortunately don't have any insights of tty layer to tell where the
> > exact problem is.
>
> I'm sorry you had to bisect this. I did the same bisect and already
> submitted a patch for this, which probably got stuck in Greg's inbox
> while he was preparing the stable releases. I can't find the patch
> in the archives now, which could also mean that it never left my local
> machine.
>
> I have the patch on a different machine, but will resend it to Greg
> when I get there to make sure it doesn't get lost.

I had the same issue. Here is the patch:

https://patchwork.kernel.org/patch/108700/

Thanks,

Ilya

>
> Arnd
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