linux-kernel - Re: [GIT PULL] SLAB include file dependency fixes + kmemtrace updates

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Message-ID: <20090407050237.GA14513@localhost>
Date:	Tue, 7 Apr 2009 13:02:37 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Avan Anishchuk <matimatik@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
Subject: Re: [GIT PULL] SLAB include file dependency fixes + kmemtrace
	updates

On Tue, Apr 07, 2009 at 12:45:37PM +0800, Linus Torvalds wrote:
> 
> 
> On Mon, 6 Apr 2009, Linus Torvalds wrote:
> > 
> > It bisected past them. I'm getting worried that it's timing-related, 
> > because nothing that remains looks even remotely interesting for that Mac 
> > mini, but right now:
> > 
> >  - bad: 56fcef75117a153f298b3fe54af31053f53997dd
> >  - good: bb233fdfc7b7cefe45bfa2e8d1b24e79c60a48e5
> > 
> > and there's not a whole lot of commits in between.
> 
> It's c3b1b1cbf002e65a3cabd479e68b5f35886a26db: 'ramfs: add support for 
> "mode=" mount option'.
> 
> And I checked. Reverting it at the tip fixes it. So no random timing 
> fluctuations.
> 
> So that commit causes some random SLAB corruption, that then (depending 
> apparently on luck) may or may not crash in some odd random places later.
> 
> Wu?

DON'T PANIC!  -- The Hitchhiker's Guide to the Galaxy

I'm looking into this :)

Thanks,
Fengguang

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