linux-kernel - Re: linux-next: slab shrinkers: BUG at mm/list

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Date:	Wed, 19 Jun 2013 15:57:16 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Glauber Costa <glommer@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Dave Chinner <david@...morbit.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: slab shrinkers: BUG at mm/list_lru.c:92

On Wed 19-06-13 11:35:27, Glauber Costa wrote:
[...]
> Sorry if you said that before Michal.
> 
> But given the backtrace, are you sure this is LRU-related?

No idea. I just know that my mm tree behaves correctly after the whole
series has been reverted (58f6e0c8fb37e8e37d5ac17a61a53ac236c15047) and
before the latest version of the patchset has been applied.

> You mentioned you bisected it but found nothing conclusive.

Yes, but I was interested in crashes and not hangs so I will try it
again.

I really hope this is not just some stupidness in my tree.

> I will keep looking but maybe this could benefit from
> a broader fs look
> 
> In any case, the patch we suggested is obviously correct and we should
> apply nevertheless.  I will write it down and send it to Andrew.

OK, feel free to stick my Tested-by there.

-- 
Michal Hocko
SUSE Labs
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