Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753072AbdDCR4o (ORCPT ); Mon, 3 Apr 2017 13:56:44 -0400 Received: from mout.gmx.net ([212.227.17.20]:58852 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752692AbdDCR4m (ORCPT ); Mon, 3 Apr 2017 13:56:42 -0400 Message-ID: <1491242192.5638.111.camel@gmx.de> Subject: Re: Random guest crashes since 5c34d002dcc7 ("virtio_pci: use shared interrupts for virtqueues") From: Mike Galbraith To: Christoph Hellwig , "Michael S. Tsirkin" Cc: Thorsten Leemhuis , virtio-dev@lists.oasis-open.org, Linux Kernel Mailing List , rjones@redhat.com Date: Mon, 03 Apr 2017 19:56:32 +0200 In-Reply-To: <20170403141823.GA24747@lst.de> References: <20170327170540.GA28715@lst.de> <1490638711.26533.44.camel@gmx.de> <1490768602.5950.25.camel@gmx.de> <20170329230936-mutt-send-email-mst@kernel.org> <1490843414.4167.11.camel@gmx.de> <1490858435.4696.25.camel@gmx.de> <20170331041959-mutt-send-email-mst@kernel.org> <20170331032231.GA2471@redhat.com> <20170331082049.GA4485@lst.de> <20170331194416-mutt-send-email-mst@kernel.org> <20170403141823.GA24747@lst.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:q87smDPjzGpk5JhzuoexA9CDRm8dRSFO48jzhVS30R44W0tC0/R ZjD1NEP3Ewmp3qAIZw1EvtsYEV6cs4ul3K5HxxO/IbLhlj0Xt9PvBHmy7oqt5RdYeE0+2Hu 4SNbO0WNzCrdSXLESI1hb0zGBhQpmEr0C1ZPl6RpKbLiCTNtEV07krPZEqUiW3zNICUkBrx ioaIZ1nQP3JSDkjDnzHBg== X-UI-Out-Filterresults: notjunk:1;V01:K0:mjw8sUGGcUk=:7lHlC7ZgpKJUi+zGF3DKnS xhSN9nxLjXe+h/RTZZt/+eh34VwyWlvzax+8RIt4942WpVMbl6pc1GtWJnDgiaYGJw7HzHn/i 9NNPah0chtSPe0/83oNWlyhPrq0dneJDf7HkyJu08cOfFh2jC1HLGVa7iQK2UuwwZ5TZD95eW +cWy6W2Q8hpgRonCZl30GpPFLmsCiHmytJHeMH3tIgbxkg2nJafTsIY3iqaa3MwOeKy2hVGMR Zy3vsZu5Qxixl4osIfC7nDzIZ66J6ooxhUnRlc8Socb7xgh1huSLosiLxI0QlvBrV8E2pu1PL kyEavyDg1IceAlEO/ogG8k0MhSd5svOmjyBN4T+fjOX6qUMB3gJvUnsYilhZb2Qladt40cY9f 2alYd/wDTbbmOGTJ1XLVlnkIcnUexh5Q4CqgzbGkhQ5uHhbCob9GnxguU78QM0dpfrE6NXcrt t9x/ZnlSbDdwqxhpWcOEdZ/HnmCO1AqViGcigOwb7WL5t5e2EciyuIWfx2thDvwhgVkWCnZSu 1H4zcTDi9DYUofqgzJONU5IZbxO+53EQLNNnM/LiZnuHh462VRryYB58cLfpjoj/QCaNDcH1f eq52KTThPf0fHH0odjydK1VmOebCyDkOzDH10hwodbKljBnV2ENjXdwZXOtzTrYNsIFtLkiIy +/JnhmBuJuAxfa45qE9xeAjwHNAZLzU4Y/WroMlPtfQT+7LhVFdqk1yvksk+vHSq0h/07cjhz WNY+vL1ZPF0ChVla/uLPzmExl5akdkyqoCLJAkMK9xwLqi/Jp7DP27v9WrkbMyY0fZJx98Upf uAbu0O7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 411 Lines: 12 On Mon, 2017-04-03 at 16:18 +0200, Christoph Hellwig wrote: > Mike, > > can you try the patch below? No more spinning kworker woes, but I still have a warning on hibernate, threadirqs invariant. I'm also seeing intermittent post hibernate hang funnies in virgin source +- this patch, and without threadirqs. [ 110.223953] WARNING: CPU: 5 PID: 452 at drivers/pci/msi.c:1261 pci_irq_vector+0xb1/0xe0 -Mike