Re: [GIT PATCH] TTY patches for 2.6.33-git

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> 
> * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
> > Have a trace.  I'm actually wondering if perhaps there's a missing 
> > unlock_kernel() somewhere else, and the tty code is just the victim of 
> > that.
> 
> Unlikely i'd say. I have 1000+ successful overnight tests on the latest 
> tree Linus pushed out:
> 
>  3ef884b: Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/d
> 
> So that's a guaranteed 'good' kernel.
> 
> The moment i merged 053fe57 into -tip the lockups started, so that's a 
> guaranteed 'bad' kernel. There's only the TTY changes between those two 
> points that look remotely related.
> 
> It's spurious though so quite hard to bisect. I tried one bisection 
> today already and it got on the wrong track. I'll do a brute-force 
> revert of the commits i quoted, lets see what happens.

i'm testing the series of 5 reverts below. It's looking good so far. You 
might want to try them - how quickly can you reproduce the hangs?

	Ingo

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