Re: 2.6.21-rc5-mm4 (SLUB)

[Christoph Lameter]

On Wed, 4 Apr 2007, Badari Pulavarty wrote:

> On Wed, 2007-04-04 at 15:59 -0700, Christoph Lameter wrote:
> > On Wed, 4 Apr 2007, Badari Pulavarty wrote:
> > 
> > > Here is the slub_debug=FU output with the above patch.
> > 
> > Hmmm... Looks like the object is actually free. Someone writes beyond the 
> > end of the earlier object. Setting Z should check overwrites but it 
> > switched off merging. So set
> > 
> > slub_debug = FZ
> > 
> > Analoguos to the last patch you would need to take out redzoning from 
> > the flags that stop merging. Then rerun. Maybe we can track it down this 
> > way.
> 
> Hmm.. I did that and machine boots fine, with absolutely no
> debug messages :(

Were the slabs merged? Look at /sys/slab and see if there are any symlinks 
there.

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