linux-kernel - Re: 2.6.21-rc5-mm4

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Date:	Tue, 3 Apr 2007 16:27:00 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Badari Pulavarty <pbadari@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.21-rc5-mm4

On Tue, 3 Apr 2007, Badari Pulavarty wrote:

> On Tue, 2007-04-03 at 14:55 -0700, Badari Pulavarty wrote:
> > On Mon, 2007-04-02 at 22:47 -0700, Andrew Morton wrote:
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc5/2.6.21-rc5-mm4/
> > 
> > 
> > 
> > SLUB code paniced my x86-64 box also :(
> 
> More on this panic.. line of code causing the issue is:
> 
> mm/slub.c:1133
>     2df1:       49 8b 04 c4             mov    (%r12,%rax,8),%rax
>     2df5:       48 89 43 20             mov    %rax,0x20(%rbx)
>       
> page->freelist = object[page->offset];
> 
> Hope this helps.

Yes. Could you boot with "slub_debug" set? Looks like a slab object may 
be getting corrupted.

x86_64 with numa emulation 4 nodes boots fine here.

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