Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753629AbdDGHX2 (ORCPT ); Fri, 7 Apr 2017 03:23:28 -0400 Received: from mout.gmx.net ([212.227.15.19]:50713 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752775AbdDGHXU (ORCPT ); Fri, 7 Apr 2017 03:23:20 -0400 Message-ID: <1491549791.5501.14.camel@gmx.de> Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") From: Mike Galbraith To: "Michael S. Tsirkin" Cc: Christoph Hellwig , Thorsten Leemhuis , virtio-dev@lists.oasis-open.org, Linux Kernel Mailing List , rjones@redhat.com Date: Fri, 07 Apr 2017 09:23:11 +0200 In-Reply-To: <1491549722.5501.13.camel@gmx.de> References: <20170404213702-mutt-send-email-mst@kernel.org> <1491361749.4536.69.camel@gmx.de> <20170405060806-mutt-send-email-mst@kernel.org> <1491362670.4536.78.camel@gmx.de> <1491363606.4536.80.camel@gmx.de> <20170405065123-mutt-send-email-mst@kernel.org> <1491366290.4536.114.camel@gmx.de> <20170405062934.GA26528@lst.de> <20170406003349-mutt-send-email-mst@kernel.org> <1491544999.5501.7.camel@gmx.de> <20170407090354-mutt-send-email-mst@kernel.org> <1491547457.5501.10.camel@gmx.de> <1491548751.5501.12.camel@gmx.de> <1491549722.5501.13.camel@gmx.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:2fpjt9ZnrLYdPGNz/VQ9M1kgYMUHH64HaitbWcOVLNXnY2PuhgT TLqLEprsyY+2PA5U7vZKWDieC2sueAIocblSzZgGRj8ihEFcZoM5d9hUOPzas/kkmRnHPfv O5hFayav2KH88P6J/qvY5wi5+gQ4BvvEXCzm6kbE1FyR0GuixmQ6JKFwnu3p2NoSYNVLw3y s+rOA57kFnZBL40r/h7zQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:HOTjjEe9u8o=:jtbOsBDQgeEGwffQkAZeN7 oUnKRcGbgG5UswmfEUCWri7sgWn04LKhi2H8Z+Bju2FzjlEO+haoXjDoqetiCC8TIXOFxlLIn BVlfL8jFgnAolRsC2tLzSzZLQ+AhgB5JyukTavZ6yD1K/Ks3PQgfOM+9l40+tOpcehdlO7lzE Wjb0r2qRX21dP1WulqI11T6PWuUGt+/qlQznjGSWBi7dieu7kAjIMYpkVW0s5MvvA2I9OTqpR SjTIpmt5cB8IwutGq8HBgFfA3UVW3RQYUbdVOa5VM+cjv+Gjq9jw1ryNDRZ4+f79qCQEnrHiJ ekL5YoF127kJgtZYvG3HtdzJOzUCU/wJWPio6jmESTmWcLAK/oxoSa/xhgI/UeIRWqAtpSjz2 9VFNsH5KRmdHwz81G8DPAFi5uA7OQ4dF+esDgD5wFCSVbgdUNe08dA7Q91/NkBmQoIF0K5PjT 99Cn4Me2f0muJ/29RnlFoZsKYotVt6MEITZQX2Osh+zNn/7Wjjb1u6xSBF36L2p7xLcf11Ro8 sMnjILOXtNGTXQWwnPvx7TjAl2KZBhdXaKqf2ns1gFjYKD9zLDrabfuRxbFye4Ua2KfXuY1E2 oU0GljdE2JI/Qt5DgH8ngClZenkDA3wlaDSeN8FamAdGNa/BU326vsnxE3q+0w957BFZ6ohKP 5UZW/EP5GBx5Ew94ZDIYZ32p44pJ+ypFHlO4G77MUHqG9F3d9aq71keq5n61iOPoa1rhFWi+F LEma+IB9w3oBwCKDaABExphFrFZz+T02sSqcVhRHRMpITD7grfZcyqy4jBR4O30qN7VN2X4bK AcIhQDO Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 910 Lines: 26 On Fri, 2017-04-07 at 09:22 +0200, Mike Galbraith wrote: > On Fri, 2017-04-07 at 09:05 +0200, Mike Galbraith wrote: > > On Fri, 2017-04-07 at 08:44 +0200, Mike Galbraith wrote: > > > On Fri, 2017-04-07 at 09:24 +0300, Michael S. Tsirkin wrote: > > > > On Fri, Apr 07, 2017 at 08:03:19AM +0200, Mike Galbraith wrote: > > > > > > > > Test tag works fine here w/wo threadirqs, RT works as well. > > > > > > > > > > -Mike > > > > > > > > Thanks a lot. > > > > OK I pushed out two new tags > > > > test1 with just the cleanup reverts > > > > test2 with a bugfix in this area > > > > > > > > > > > > I would very much appreciate your testing report on both - > > > > should be ok but better make sure. > > > > > > Ok, once it percolates out I'll do that. > > > > for_linus-10-g960bef2a6172 contains a -ENOBUILD merge conflict. > > But test2 works fine w/wo threadirqs. (CONFIG_DEBUG_SHIRQ=y as well btw)