Date: Sat, 12 Dec 2009 11:42:19 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <gregkh@suse.de>, Thomas Gleixner <tglx@linutronix.de>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 2.6.33-git
Message-ID: <20091212104219.GA22212@elte.hu>
References: <20091211232805.GA10652@kroah.com>
 <20091212084611.GA28266@elte.hu>
 <20091212104205.6a13b5e5@lxorguk.ukuu.org.uk>
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* Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> On Sat, 12 Dec 2009 09:46:11 +0100
> Ingo Molnar <mingo@elte.hu> wrote:
> 
> > 
> > * Greg KH <gregkh@suse.de> wrote:
> > 
> > > Here's the big TTY patchset for your .33-git tree.
> > 
> > FYI, one of the changes in this tree is causing lockups on x86.
> > 
> > Config attached.
> > 
> > Possible suspects would one of these:
> > 
> >  36ba782: tty: split the lock up a bit further
> >  5ec93d1: tty: Move the leader test in disassociate
> >  38c70b2: tty: Push the bkl down a bit in the hangup code
> >  f18f949: tty: Push the lock down further into the ldisc code
> >  eeb89d9: tty: push the BKL down into the handlers a bit
> > 
> > as they deal with locking details and are fresher than two weeks.
> 
> Any diagnostics with the lockup or just a system hang ?

None that i've captured (the hang is silent) but Andrew posted some.

	Ingo
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