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

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Date:	Sat, 12 Dec 2009 11:42:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Greg KH <gregkh@...e.de>, Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [GIT PATCH] TTY patches for 2.6.33-git


* Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> On Sat, 12 Dec 2009 09:46:11 +0100
> Ingo Molnar <mingo@...e.hu> wrote:
> 
> > 
> > * Greg KH <gregkh@...e.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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