Re: Slab corruption in 2.6.16-rc5-mm2

[Dave Jones]

On Mon, Mar 06, 2006 at 10:41:07PM +0100, Jesper Juhl wrote:

 > CONFIG_DEBUG_SLAB
 > CONFIG_PAGE_OWNER
 > CONFIG_DEBUG_VM
 > CONFIG_DEBUG_PAGEALLOC
 > 
 > The resulting kernel boots and runs just fine (no Oops) and leaves
 > nothing in dmesg.
 > So, without the debugging options it appears to the user that
 > everything is OK - nasty.

DEBUG_PAGEALLOC in particular is *fantastic* at making bugs hide.
I've lost many an hour trying to pin bugs down due to that.

		Dave


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