Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753036AbdDJI4I (ORCPT ); Mon, 10 Apr 2017 04:56:08 -0400 Received: from outbound-smtp08.blacknight.com ([46.22.139.13]:36067 "EHLO outbound-smtp08.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752078AbdDJI4H (ORCPT ); Mon, 10 Apr 2017 04:56:07 -0400 Date: Mon, 10 Apr 2017 09:56:04 +0100 From: Mel Gorman To: zhong jiang Cc: Michal Hocko , Johannes Weiner , vdavydov.dev@gmail.com, Vlastimil Babka , Linux Memory Management List , LKML Subject: Re: NULL pointer dereference in the kernel 3.10 Message-ID: <20170410085604.zpenj6ggc3dsbgxw@techsingularity.net> References: <58E8E81E.6090304@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <58E8E81E.6090304@huawei.com> User-Agent: Mutt/1.6.2 (2016-07-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 886 Lines: 19 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. -- Mel Gorman SUSE Labs