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Date:   Thu, 12 Oct 2017 12:05:04 -0500 (CDT)
From:   Christopher Lameter <cl@...ux.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
cc:     kernel test robot <xiaolong.ye@...el.com>,
        Ingo Molnar <mingo@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...en8.de>,
        Brian Gerst <brgerst@...il.com>,
        Denys Vlasenko <dvlasenk@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Jiri Slaby <jslaby@...e.cz>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...org,
        linux-mm@...ck.org, Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [lkp-robot] [x86/kconfig]  81d3871900:
 BUG:unable_to_handle_kernel

On Wed, 11 Oct 2017, Josh Poimboeuf wrote:

> I failed to add the slab maintainers to CC on the last attempt.  Trying
> again.


Hmmm... Yea. SLOB is rarely used and tested. Good illustration of a simple
allocator and the K&R mechanism that was used in the early kernels.

> > Adding the slub maintainers.  Is slob still supposed to work?

Have not seen anyone using it in a decade or so.

Does the same config with SLUB and slub_debug on the commandline run
cleanly?

> > I have no idea how that crypto panic could could be related to slob, but
> > at least it goes away when I switch to slub.

Can you run SLUB with full debug? specify slub_debug on the commandline or
set CONFIG_SLUB_DEBUG_ON

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