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Date: Wed, 6 Nov 2013 20:21:54 +0100 From: Andreas Herrmann <andreas.herrmann@...xeda.com> To: Christoph Lameter <cl@...ux.com> Cc: Pekka Enberg <penberg@...nel.org>, Matt Mackall <mpm@...enic.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] mm/slub: Switch slub_debug kernel option to early_param to avoid boot panic On Wed, Nov 06, 2013 at 02:16:33PM -0500, Christoph Lameter wrote: > On Wed, 6 Nov 2013, Andreas Herrmann wrote: > > > When I've used slub_debug kernel option (e.g. > > "slub_debug=,skbuff_fclone_cache" or similar) on a debug session I've > > seen a panic like: > > Hmmm.. That looks like its due to some slabs not having names > during early boot. kmem_cache_flags is called with NULL as a parameter. > > Are you sure that this fixes the issue? ? Sure, of course I've tested my patch as I required slub debugging. Panic was gone and debugging of the selected slab enabled. Andreas -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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