From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f177.google.com (mail-pd0-f177.google.com [209.85.192.177]) by kanga.kvack.org (Postfix) with ESMTP id 151A76B0031 for ; Tue, 8 Jul 2014 10:51:59 -0400 (EDT) Received: by mail-pd0-f177.google.com with SMTP id y10so7208980pdj.8 for ; Tue, 08 Jul 2014 07:51:58 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id 9si1205937pdk.145.2014.07.08.07.51.55 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 08 Jul 2014 07:51:56 -0700 (PDT) Date: Tue, 8 Jul 2014 16:51:47 +0200 From: Peter Zijlstra Subject: Re: mm/sched/net: BUG when running simple code Message-ID: <20140708145147.GH6758@twins.programming.kicks-ass.net> References: <539A6850.4090408@oracle.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="D3uGefx/nfj0hkMF" Content-Disposition: inline In-Reply-To: <539A6850.4090408@oracle.com> Sender: owner-linux-mm@kvack.org List-ID: To: Sasha Levin Cc: "linux-mm@kvack.org" , Andrew Morton , Ingo Molnar , LKML , "netdev@vger.kernel.org" , Dave Jones --D3uGefx/nfj0hkMF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jun 12, 2014 at 10:56:16PM -0400, Sasha Levin wrote: > Hi all, >=20 > Okay, I'm really lost. I got the following when fuzzing, and can't really= explain what's > going on. It seems that we get a "unable to handle kernel paging request"= when running > rather simple code, and I can't figure out how it would cause it. >=20 Are you running on AMD hardware? If so; check out this thread: http://marc.info/?i=3D53B02CEB.7010607@web.de --D3uGefx/nfj0hkMF Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJTvAWDAAoJEHZH4aRLwOS6VnEP/05c2sj5PFztHzQWIEtZ7xo7 C9fdGJntcS00lx8pqS8e2wL8j5lk3LJZiJppgtH1xNXVGIKFE03vTgt+K+W6WFtA KHZhFlarHk73JEZhFD1aCcqUC9mqfY6vOgy3FuluQg029OnAxSQQ52xDEiiYPODx 9VugzaxExZmWk0ke13szomqq8adbwjYCc5pWUIPNf1QbdUhj/w5X05ppDoNqz4TP mLAgu7aLkYW0HaXgk3Qi0nUKcbHrQ+iBB8qmifWNw3oVMW9dsrJ3DQdYFK74EfE3 89o8kd9TxjInToggT3dFKYJNHISikolaGVFr5lfVOeOLJkegobA9eCwgVZ8vrjO4 QNt6Mu9dkYO0ZpyC/7VJZl02uILeMtKEPU3lcn8EKPAlb9UUsBrPEoI2m5e/my7F uA6cEATo5wOzUtg9XDn3kLgSkQfXMGWCIArD/NhCiRU7rbUFic5kd22oK+I8CS7v O7dp1cyU1Aged1nO4TOwUsj/OcWFbM9CHXUKDqs5on42YrQakagViUi4i8Zi2P9i JDxZIaNlLQsEz39imnXM70AMRXoPoOdxgZlIZz2Bxc+R/QT6eYyYC+NK8vjLuNGV Jo7vjWlKWQ5UqlIyZQ1z7zl5sDvEXe/URXwXvnyKChsP23IW8H0KG0Wax0TZUU75 iqT2wd/0IfSQmpBzaX2G =yYJn -----END PGP SIGNATURE----- --D3uGefx/nfj0hkMF-- -- 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