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Date: Mon, 10 Apr 2017 14:48:15 +0200
From: Michal Hocko <mhocko@kernel.org>
To: zhong jiang <zhongjiang@huawei.com>
Cc: Mel Gorman <mgorman@techsingularity.net>,
        Johannes Weiner <hannes@cmpxchg.org>, vdavydov.dev@gmail.com,
        Vlastimil Babka <vbabka@suse.cz>,
        Linux Memory Management List <linux-mm@kvack.org>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: NULL pointer dereference in the kernel 3.10
Message-ID: <20170410124814.GC4618@dhcp22.suse.cz>
References: <58E8E81E.6090304@huawei.com>
 <20170410085604.zpenj6ggc3dsbgxw@techsingularity.net>
 <58EB761E.9040002@huawei.com>
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On Mon 10-04-17 20:10:06, zhong jiang wrote:
> On 2017/4/10 16:56, Mel Gorman wrote:
> > On Sat, Apr 08, 2017 at 09:39:42PM +0800, zhong jiang wrote:
> >> when runing the stabile docker cases in the vm.   The following issue will come up.
> >>
> >> #40 [ffff8801b57ffb30] async_page_fault at ffffffff8165c9f8
> >>     [exception RIP: down_read_trylock+5]
> >>     RIP: ffffffff810aca65  RSP: ffff8801b57ffbe8  RFLAGS: 00010202
> >>     RAX: 0000000000000000  RBX: ffff88018ae858c1  RCX: 0000000000000000
> >>     RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000000000008
> >>     RBP: ffff8801b57ffc10   R8: ffffea0006903de0   R9: ffff8800b3c61810
> >>     R10: 00000000000022cb  R11: 0000000000000000  R12: ffff88018ae858c0
> >>     R13: ffffea0006903dc0  R14: 0000000000000008  R15: ffffea0006903dc0
> >>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000
> > Post the full report including the kernel version and state whether any
> > additional patches to 3.10 are applied.
> >
>  Hi, Mel
>    
>         Our kernel from RHEL 7.2, Addtional patches all from upstream -- include Bugfix and CVE.

I believe you should contact Redhat for the support. This is a) old
kernel and b) with other patches which might or might not be relevant.
-- 
Michal Hocko
SUSE Labs