From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B282BC56202 for ; Thu, 26 Nov 2020 14:16:56 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E1CEB20679 for ; Thu, 26 Nov 2020 14:16:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1CEB20679 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=antioche.eu.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.38569.71321 (Exim 4.92) (envelope-from ) id 1kiI4R-0002jc-4Z; Thu, 26 Nov 2020 14:16:27 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 38569.71321; Thu, 26 Nov 2020 14:16:27 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kiI4R-0002jV-1Q; Thu, 26 Nov 2020 14:16:27 +0000 Received: by outflank-mailman (input) for mailman id 38569; Thu, 26 Nov 2020 14:16:25 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kiI4P-0002jQ-F3 for xen-devel@lists.xenproject.org; Thu, 26 Nov 2020 14:16:25 +0000 Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8cb1f05b-ffe3-4645-ad21-a2b638b37f03; Thu, 26 Nov 2020 14:16:22 +0000 (UTC) Received: from sandettie.soc.lip6.fr (82-64-3-41.subs.proxad.net [82.64.3.41]) by chassiron.antioche.eu.org (8.15.2/8.15.2) with ESMTPS id 0AQEGDC3018777 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Thu, 26 Nov 2020 15:16:14 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 9DF9F2E9CAC; Thu, 26 Nov 2020 15:16:08 +0100 (MET) Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kiI4P-0002jQ-F3 for xen-devel@lists.xenproject.org; Thu, 26 Nov 2020 14:16:25 +0000 X-Inumbo-ID: 8cb1f05b-ffe3-4645-ad21-a2b638b37f03 Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8cb1f05b-ffe3-4645-ad21-a2b638b37f03; Thu, 26 Nov 2020 14:16:22 +0000 (UTC) Received: from sandettie.soc.lip6.fr (82-64-3-41.subs.proxad.net [82.64.3.41]) by chassiron.antioche.eu.org (8.15.2/8.15.2) with ESMTPS id 0AQEGDC3018777 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Thu, 26 Nov 2020 15:16:14 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 9DF9F2E9CAC; Thu, 26 Nov 2020 15:16:08 +0100 (MET) Date: Thu, 26 Nov 2020 15:16:08 +0100 From: Manuel Bouyer To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Cc: Jan Beulich , xen-devel@lists.xenproject.org Subject: Re: NetBSD dom0 PVH: hardware interrupts stalls Message-ID: <20201126141608.GA4123@antioche.eu.org> References: <20201124122102.3igsriesou3vl6mu@Air-de-Roger> <20201124135948.GL2020@antioche.eu.org> <6d6a77cf-58de-4e4d-ed75-e9365be060b7@suse.com> <20201124142713.GM2020@antioche.eu.org> <20201124150842.GN2020@antioche.eu.org> <20201124154917.l3jwa6w4ejumjuqw@Air-de-Roger> <20201124160914.GQ2020@antioche.eu.org> <20201126133444.r2oi24i3umh7shb3@Air-de-Roger> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20201126133444.r2oi24i3umh7shb3@Air-de-Roger> X-Greylist: Sender succeeded STARTTLS authentication, not delayed by milter-greylist-4.4.3 (chassiron.antioche.eu.org [151.127.5.145]); Thu, 26 Nov 2020 15:16:15 +0100 (MET) On Thu, Nov 26, 2020 at 02:34:44PM +0100, Roger Pau Monné wrote: > On Tue, Nov 24, 2020 at 05:09:14PM +0100, Manuel Bouyer wrote: > > On Tue, Nov 24, 2020 at 04:49:17PM +0100, Roger Pau Monné wrote: > > > Could you also give a try with ioapic_ack=new on the Xen command line? > > > > With this I still have the interrupt issue, but Xen doesn't panic on 'i'. > > http://www-soc.lip6.fr/~bouyer/xen-log8.txt > > Sorry for the delay, I have yet another debug patch for you to try. > Can you remove the ioapic_ack=new from the command line and rebuild > the hypervisor with the provided patch applied and debug trace > enabled? (`gmake -C xen menuconfig` and go into Debugging Options to > find it). menuconfig doens't build on NetBSD, I set CONFIG_DEBUG_TRACE=y in .config. I guess it is enough ? For the record, my boot commad line is now menu=Boot Xen PVH:load /test console=com0 root=dk0 -vx; multiboot /xen-test.gz dom0_mem=1024M console=com2 com2=57600,8n1,,0 loglvl=all guest_loglvl=all gnttab_max_nr_frames=64 dom0=pvh iommu=debug dom0_vcpus_pin sync_console dom0_max_vcpus=1 watchdog=force iommu=no-intremap > > Then once the system stalls use the 'T' debug key to dump the buffer. Here it is. It seems to be stuck in an infinite loop, I hit the 'R' key after several minutes http://www-soc.lip6.fr/~bouyer/xen-log9.txt -- Manuel Bouyer NetBSD: 26 ans d'experience feront toujours la difference --