Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752627AbaGHOwB (ORCPT ); Tue, 8 Jul 2014 10:52:01 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:51468 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbaGHOv7 (ORCPT ); Tue, 8 Jul 2014 10:51:59 -0400 Date: Tue, 8 Jul 2014 16:51:47 +0200 From: Peter Zijlstra To: Sasha Levin Cc: "linux-mm@kvack.org" , Andrew Morton , Ingo Molnar , LKML , "netdev@vger.kernel.org" , Dave Jones 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> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/