From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f69.google.com (mail-wm0-f69.google.com [74.125.82.69]) by kanga.kvack.org (Postfix) with ESMTP id 471A06B0033 for ; Thu, 12 Oct 2017 16:17:34 -0400 (EDT) Received: by mail-wm0-f69.google.com with SMTP id k4so4053139wmc.20 for ; Thu, 12 Oct 2017 13:17:34 -0700 (PDT) Received: from mail.skyhub.de (mail.skyhub.de. [5.9.137.197]) by mx.google.com with ESMTP id r75si683571wmf.261.2017.10.12.13.17.32 for ; Thu, 12 Oct 2017 13:17:33 -0700 (PDT) Date: Thu, 12 Oct 2017 22:17:21 +0200 From: Borislav Petkov Subject: Re: Kernel freeze on AMD FX-9590 CPU during I/O Message-ID: <20171012201721.qw7ng6newibksn5f@pd.tnic> References: <20171012230124.32550187@demfloro.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20171012230124.32550187@demfloro.ru> Sender: owner-linux-mm@kvack.org List-ID: To: Dmitrii Tcvetkov Cc: Andy Lutomirski , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Thu, Oct 12, 2017 at 11:01:24PM +0300, Dmitrii Tcvetkov wrote: > Hello, > > Since linux kernel 4.14-rc1 almost any I/O has a chance to freeze kernel > (no log in /dev/tty0 nor /dev/ttyS0 not netconsole, no ARP answer over > network) on one of my machines. Compiling linux kernel reproduces the > issue reliably so far. > > Bisecting between v4.13 and v4.14-rc1 led me to commit > 94b1b03b519b81c494900cb112aa00ed205cc2d9 There's a candidate fix in case you wanna try it: https://lkml.kernel.org/r/8eccc9240041ea7cb94624cab8d07e2a6e911ba7.1507567665.git.luto@kernel.org -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org