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=-3.7 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 D5C3BC55ABD for ; Fri, 13 Nov 2020 16:47:02 +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 18CE5217A0 for ; Fri, 13 Nov 2020 16:47:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 18CE5217A0 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.26763.55235 (Exim 4.92) (envelope-from ) id 1kdcDX-0007fK-4O; Fri, 13 Nov 2020 16:46:31 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 26763.55235; Fri, 13 Nov 2020 16:46:31 +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 1kdcDX-0007fD-1Q; Fri, 13 Nov 2020 16:46:31 +0000 Received: by outflank-mailman (input) for mailman id 26763; Fri, 13 Nov 2020 16:46:29 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kdcDV-0007f8-ND for xen-devel@lists.xenproject.org; Fri, 13 Nov 2020 16:46:29 +0000 Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8ff6bf7d-f20c-433d-bfe7-db8f8d7895ff; Fri, 13 Nov 2020 16:46:28 +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 0ADGkMVt016311 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Fri, 13 Nov 2020 17:46:23 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 3958F2E9CA8; Fri, 13 Nov 2020 17:46:17 +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 1kdcDV-0007f8-ND for xen-devel@lists.xenproject.org; Fri, 13 Nov 2020 16:46:29 +0000 X-Inumbo-ID: 8ff6bf7d-f20c-433d-bfe7-db8f8d7895ff Received: from chassiron.antioche.eu.org (unknown [2001:41d0:fe9d:1101::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 8ff6bf7d-f20c-433d-bfe7-db8f8d7895ff; Fri, 13 Nov 2020 16:46:28 +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 0ADGkMVt016311 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=OK); Fri, 13 Nov 2020 17:46:23 +0100 (MET) Received: by sandettie.soc.lip6.fr (Postfix, from userid 373) id 3958F2E9CA8; Fri, 13 Nov 2020 17:46:17 +0100 (MET) Date: Fri, 13 Nov 2020 17:46:17 +0100 From: Manuel Bouyer To: Roger Pau =?iso-8859-1?Q?Monn=E9?= Cc: xen-devel@lists.xenproject.org Subject: Re: dom0 PVH: 'entry->arch.pirq != INVALID_PIRQ' failed at vmsi.c:843 Message-ID: <20201113164617.GJ1512@antioche.eu.org> References: <20201112155715.GA5003@antioche.eu.org> <20201112163240.6xswol2iswikdzef@Air-de-Roger> <20201112172704.GA5899@antioche.eu.org> <20201112201939.be6ztg2iipwa6hkb@Air-de-Roger> <20201113115457.GD1512@antioche.eu.org> <20201113143349.gehu36wsipvpkrt7@Air-de-Roger> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201113143349.gehu36wsipvpkrt7@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]); Fri, 13 Nov 2020 17:46:23 +0100 (MET) I just noticed that CPU0 also stops receiving clock interrupts - which may explain why the kernel wedges. I can still enter NetBSD's debugger, which means that console interrupts are still working (the console's event channel is also handled by CPU 0). A 'q' in Xen doens't show any pending or masked events, for any CPU. The NetBSD interrupt counters show event channel 2's counter (the CPU0 clock) stuck at 13, while others are happily increasing. Any idea what to look at from here ? -- Manuel Bouyer NetBSD: 26 ans d'experience feront toujours la difference --