linux-kernel - Re: linux-next: PowerPC boot failures in next-20120521

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Date:	Tue, 22 May 2012 13:12:15 +1000
From:	Michael Neuling <mikey@...ling.org>
To:	David Rientjes <rientjes@...gle.com>
cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	LKML <linux-kernel@...r.kernel.org>, linux-next@...r.kernel.org,
	ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Lee Schermerhorn <lee.schermerhorn@...com>,
	Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: PowerPC boot failures in next-20120521

David Rientjes <rientjes@...gle.com> wrote:

> On Tue, 22 May 2012, Michael Neuling wrote:
> 
> > Sorry, got it... CONFIG_DEBUG_VM enabled below...
> > 
> > pid_max: default: 32768 minimum: 301
> > Dentry cache hash table entries: 262144 (order: 5, 2097152 bytes)
> > Inode-cache hash table entries: 131072 (order: 4, 1048576 bytes)
> > Mount-cache hash table entries: 4096
> > Initializing cgroup subsys cpuacct
> > Initializing cgroup subsys devices
> > Initializing cgroup subsys freezer
> > POWER7 performance monitor hardware support registered
> > ------------[ cut here ]------------
> > kernel BUG at /scratch/mikey/src/linux-next/include/linux/gfp.h:318!
> 
> Yeah, this is what I was expecting, it's tripping on
> 
> 	VM_BUG_ON(nid < 0 || nid >= MAX_NUMNODES || !node_online(nid));
> 
> and slub won't pass nid < 0.  You're sure my patch is applied? :)

I did have your patch applied but at "b4cdf91 sched/numa: Implement numa
balancer" (where git bisect spotted the fail).  

If I apply your patch on the full next-20120521 it does fix the problem.

Sorry for the confusion.

Thanks!
Mikey
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