Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754776AbbG3IHK (ORCPT ); Thu, 30 Jul 2015 04:07:10 -0400 Received: from mail9.hitachi.co.jp ([133.145.228.44]:44954 "EHLO mail9.hitachi.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750770AbbG3IHA (ORCPT ); Thu, 30 Jul 2015 04:07:00 -0400 From: =?utf-8?B?5rKz5ZCI6Iux5a6PIC8gS0FXQUnvvIxISURFSElSTw==?= To: "'Michal Hocko'" CC: Jonathan Corbet , Peter Zijlstra , Ingo Molnar , "Eric W. Biederman" , "H. Peter Anvin" , Andrew Morton , Thomas Gleixner , Vivek Goyal , "linux-doc@vger.kernel.org" , "x86@kernel.org" , "kexec@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Ingo Molnar , =?utf-8?B?5bmz5p2+6ZuF5bezIC8gSElSQU1BVFXvvIxNQVNBTUk=?= Subject: RE: Re: [V2 PATCH 1/3] x86/panic: Fix re-entrance problem due to panic on NMI Thread-Topic: Re: [V2 PATCH 1/3] x86/panic: Fix re-entrance problem due to panic on NMI Thread-Index: AQHQydfduQy2RlZRNkO8HiurnXt/8J3yI0hA//9yMQCAAZxu0IAAbJXA//9xFYCAAJcXIA== Date: Thu, 30 Jul 2015 08:06:56 +0000 Message-ID: <04EAB7311EE43145B2D3536183D1A8445491F722@GSjpTKYDCembx31.service.hitachi.net> References: <20150727015850.4928.87717.stgit@softrs> <20150727015850.4928.50289.stgit@softrs> <20150727143405.GF11317@dhcp22.suse.cz> <55B6E2A3.8070004@hitachi.com> <04EAB7311EE43145B2D3536183D1A8445491D5E8@GSjpTKYDCembx31.service.hitachi.net> <20150729082329.GA15801@dhcp22.suse.cz> <04EAB7311EE43145B2D3536183D1A8445491DB5E@GSjpTKYDCembx31.service.hitachi.net> <20150729092157.GC15801@dhcp22.suse.cz> <04EAB7311EE43145B2D3536183D1A8445491F23A@GSjpTKYDCembx31.service.hitachi.net> <04EAB7311EE43145B2D3536183D1A8445491F614@GSjpTKYDCembx31.service.hitachi.net> <20150730075512.GB9387@dhcp22.suse.cz> In-Reply-To: <20150730075512.GB9387@dhcp22.suse.cz> Accept-Language: ja-JP, en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.198.220.53] Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id t6U87Ifr031533 Content-Length: 825 Lines: 20 Hi, > -----Original Message----- > From: Michal Hocko [mailto:mhocko@kernel.org] > > On Thu 30-07-15 07:33:15, 河合英宏 / KAWAI，HIDEHIRO wrote: > [...] > > Are you using SGI UV? On that platform, NMIs may be delivered to > > all cpus because LVT1 of all cpus are not masked as follows: > > This is Compute Blade 520XB1 from Hitachi with 240 cpus. Thanks for the information! I asked my colleague in other department about NMI button behavior of our server just before receive your mail, and certainly what you said happens; all cpus say "Uhhuh. NMI received for unknown reason 3d on CPU N" when NMI button is pusshed. So, this was also our problem... ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?