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, URIBL_BLOCKED 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 E3D3DC56202 for ; Mon, 23 Nov 2020 14:32:45 +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 42FE020888 for ; Mon, 23 Nov 2020 14:32:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 42FE020888 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.34495.65604 (Exim 4.92) (envelope-from ) id 1khCtF-0000SF-TH; Mon, 23 Nov 2020 14:32:25 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 34495.65604; Mon, 23 Nov 2020 14:32:25 +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 1khCtF-0000S7-O4; Mon, 23 Nov 2020 14:32:25 +0000 Received: by outflank-mailman (input) for mailman id 34495; Mon, 23 Nov 2020 14:32:24 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1khCtE-0000Ro-0L for xen-devel@lists.xenproject.org; Mon, 23 Nov 2020 14:32:24 +0000 Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id fa94b267-4d49-45a0-8355-46e92fb224d1; Mon, 23 Nov 2020 14:32:20 +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 0ANEVtj7027034 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Mon, 23 Nov 2020 15:31:56 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 81F5F2E9CAC; Mon, 23 Nov 2020 15:31:50 +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 1khCtE-0000Ro-0L for xen-devel@lists.xenproject.org; Mon, 23 Nov 2020 14:32:24 +0000 X-Inumbo-ID: fa94b267-4d49-45a0-8355-46e92fb224d1 Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id fa94b267-4d49-45a0-8355-46e92fb224d1; Mon, 23 Nov 2020 14:32:20 +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 0ANEVtj7027034 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Mon, 23 Nov 2020 15:31:56 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 81F5F2E9CAC; Mon, 23 Nov 2020 15:31:50 +0100 (MET) Date: Mon, 23 Nov 2020 15:31:50 +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: <20201123143150.GG2520@antioche.eu.org> References: <1a50e1e2-b69c-afd6-a179-316231512004@suse.com> <20201120082855.5z4cibcd5djlwmgp@Air-de-Roger> <20201120085249.GA1508@antioche.eu.org> <97f371a9-00fe-33fe-8923-c247f44f9af6@suse.com> <20201120092754.GH1508@antioche.eu.org> <20904a6a-ac64-755d-d228-4c49faf66fb5@suse.com> <20201120103824.GJ1508@antioche.eu.org> <20201123095713.orfpg72r73m7f46n@Air-de-Roger> <20201123113241.GE2520@antioche.eu.org> <20201123125112.q3zqb4e5nk6jg4hw@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: <20201123125112.q3zqb4e5nk6jg4hw@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]); Mon, 23 Nov 2020 15:31:57 +0100 (MET) On Mon, Nov 23, 2020 at 01:51:12PM +0100, Roger Pau Monné wrote: > Hm, yes, it's quite weird. Do you know whether a NetBSD kernel can be > multibooted from pxelinux with Xen? I would like to see if I can > reproduce this myself. Yes, if Xen+linux can boot, Xen+netbsd should boot too. In a previous mail I wrote: In case it helps, I put by Xen and netbsd kernels at http://www-soc.lip6.fr/~bouyer/netbsd-dom0-pvh/ I boot it from the NetBSD boot loader with: menu=Boot Xen PVH:load /netbsd-test console=com0 root=dk0 -vx; multiboot /xen-te st.gz dom0_mem=1024M console=com2 com2=57600,8n1 loglvl=all guest_loglvl=all gnt tab_max_nr_frames=64 dom0=pvh iommu=debug I guess with grub this would be kernel /xen-test.gz dom0_mem=1024M console=com2 com2=57600,8n1 loglvl=all guest_ loglvl=all gnttab_max_nr_frames=64 dom0=pvh iommu=debug module /netbsd-test console=com0 root=dk0 -vx (yes, com2 for xen and com0 for netbsd, that's not a bug :) You can enter the NetBSD debugger with +++++ you can then enter commands, lile sh ev /i to see the interrupt counters > > I have the following patch also which will print a warning message > when GSI 34 is injected from hardware or when Xen performs an EOI > (either from a time out or when reacting to a guest one). I would > expect at least the interrupt injection one to trigger together with > the existing message. It's quite verbose. I put the full log at http://www-soc.lip6.fr/~bouyer/xen-log4.txt -- Manuel Bouyer NetBSD: 26 ans d'experience feront toujours la difference --