Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754482AbdDDVbt (ORCPT ); Tue, 4 Apr 2017 17:31:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36498 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754235AbdDDVbr (ORCPT ); Tue, 4 Apr 2017 17:31:47 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com BAE9661D03 Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=mst@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com BAE9661D03 Date: Wed, 5 Apr 2017 00:31:40 +0300 From: "Michael S. Tsirkin" To: Mike Galbraith Cc: Christoph Hellwig , Thorsten Leemhuis , virtio-dev@lists.oasis-open.org, Linux Kernel Mailing List , rjones@redhat.com Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") Message-ID: <20170405003005-mutt-send-email-mst@kernel.org> References: <1491242192.5638.111.camel@gmx.de> <20170403210931-mutt-send-email-mst@kernel.org> <1491278572.5198.28.camel@gmx.de> <20170404163725-mutt-send-email-mst@kernel.org> <1491315482.5239.11.camel@gmx.de> <20170404182904-mutt-send-email-mst@kernel.org> <1491327646.4253.2.camel@gmx.de> <1491328476.4253.10.camel@gmx.de> <20170404205921-mutt-send-email-mst@kernel.org> <1491331115.4253.41.camel@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1491331115.4253.41.camel@gmx.de> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 04 Apr 2017 21:31:42 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 890 Lines: 28 On Tue, Apr 04, 2017 at 08:38:35PM +0200, Mike Galbraith wrote: > On Tue, 2017-04-04 at 21:00 +0300, Michael S. Tsirkin wrote: > > > And just making double sure, the 1st version that has the issue > > is 5c34d002dcc7, isn't it? I'm asking because subject says so > > but then goes on to list subject from another commit. > > This one is: > > > virtio_pci: remove struct virtio_pci_vq_info > > When the hibernation related warnings started I don't know, I wasn't > targeting that, those fell out of subsequent testing. > I started out > hunting console breakage point w. threaded irqs, which is 5c34d002dcc7. OK but 5c34d002dcc7 isn't "virtio_pci: use shared interrupts for virtqueues". > > -Mike I'm confused at this point. I would appreciate the summary of which versions were tested and what did you see. Testing a revert might also help. Thanks a lot for your testing! -- MST