xfs_efi_item slab corruption. (v3.9-10936-g51a26ae)

[Dave Jones]

On Tue, May 07, 2013 at 03:04:33PM -0500, Mark Tinguely wrote:
 > On 05/07/13 14:59, Dave Jones wrote:
 > > On Tue, May 07, 2013 at 02:58:15PM -0500, Mark Tinguely wrote:
 > >
 > >   >  >  I can hit this almost instantly with fsx. I'll do a bisect, though
 > >   >  >  it sounds like you already have a suspect.
 > >   >  >
 > >   >
 > >   >  If you want to try kmem debug of Linux 3.8 that would help.
 > >
 > > I'm not sure what that is.
 > 
 > Sorry, if you would test Linux 3.8 with "CONFIG_DEBUG_SLAB=y".

Ah, done that. (I pretty much always run with it).

This is something new. Even 3.9 was fine. It's only since
the recent xfs merge. 

	Dave