From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Subject: Re: KVM on ARM crashes with new VGIC v4.7-rc7 Date: Mon, 25 Jul 2016 15:39:13 +0100 Message-ID: <57962491.2030107@arm.com> References: <20160722173823.dcen33yyqqixmwkm@kamzik.localdomain> <57925CA0.7050904@arm.com> <762a6ad33268025f10b2198891e56d4d@agner.ch> <20160724132255.69ae1979@why.wild-wind.fr.eu.org> <20160724133604.7a538c75@why.wild-wind.fr.eu.org> <5795C9C6.6090409@arm.com> <5795CB18.3060705@arm.com> <49791c0c-3a73-a05d-6b68-cdd943c33b95@arm.com> <57961CBA.1010008@arm.com> <20160725142858.dtch3pbf2x54p3n6@kamzik.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4572349B37 for ; Mon, 25 Jul 2016 10:32:53 -0400 (EDT) Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ndgtbC20sA32 for ; Mon, 25 Jul 2016 10:32:52 -0400 (EDT) Received: from foss.arm.com (foss.arm.com [217.140.101.70]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 31835411E3 for ; Mon, 25 Jul 2016 10:32:51 -0400 (EDT) In-Reply-To: <20160725142858.dtch3pbf2x54p3n6@kamzik.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Andrew Jones Cc: Andre Przywara , kvmarm@lists.cs.columbia.edu List-Id: kvmarm@lists.cs.columbia.edu On 25/07/16 15:28, Andrew Jones wrote: > On Mon, Jul 25, 2016 at 03:05:46PM +0100, Marc Zyngier wrote: >> News flash: Mark Rutland just saw it crashing on his Seattle using my >> kernel that doesn't crash on mine. So we're looking at external factors >> now. DT, firmware, whatever. > > Interesting, especially with the information that the bug is also > on v7 with uboot (where it's present with 4k pages), and on v8 > with UEFI (where it's not present with 4k pages, only 64k) Yup. Transplanting Mark's DT to my Seattle had finally triggered it. Time for some diff'ing... M. -- Jazz is not dead. It just smells funny...