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=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 4C305C5519F for ; Tue, 17 Nov 2020 08:12:33 +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 C270E22447 for ; Tue, 17 Nov 2020 08:12:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=suse.com header.i=@suse.com header.b="NNjMJ29m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C270E22447 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com 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.28757.57858 (Exim 4.92) (envelope-from ) id 1kew66-0004q9-11; Tue, 17 Nov 2020 08:12:18 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28757.57858; Tue, 17 Nov 2020 08:12:18 +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 1kew65-0004q2-TY; Tue, 17 Nov 2020 08:12:17 +0000 Received: by outflank-mailman (input) for mailman id 28757; Tue, 17 Nov 2020 08:12:16 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kew64-0004px-Gf for xen-devel@lists.xenproject.org; Tue, 17 Nov 2020 08:12:16 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 026c294e-1185-40e7-9194-664038b8a5a3; Tue, 17 Nov 2020 08:12:15 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 623CBAD2D; Tue, 17 Nov 2020 08:12:14 +0000 (UTC) Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kew64-0004px-Gf for xen-devel@lists.xenproject.org; Tue, 17 Nov 2020 08:12:16 +0000 X-Inumbo-ID: 026c294e-1185-40e7-9194-664038b8a5a3 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 026c294e-1185-40e7-9194-664038b8a5a3; Tue, 17 Nov 2020 08:12:15 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1605600734; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=g8SCEM3AchjQG8YOYHO0TBbekwafiQ6MQ8X2JLbb9IQ=; b=NNjMJ29m6Ope1R+lXw2SeDhhr5z4scO2wJ+SrWsAMyfHgmnVP0rMuRjJbBT+RI2jTXWakP XNMsKi/VMQY/H36b2mRy5AB8xVDCKsGjq4PU/sH3q6rhQE2JhzR2U3XBj0eYutNnDZZbkz UHFpgR1mgK1k0FUJItBJ0onkSzp79z8= Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 623CBAD2D; Tue, 17 Nov 2020 08:12:14 +0000 (UTC) Subject: Re: XSA-351 causing Solaris-11 systems to panic during boot. To: Cheyenne Wills References: Cc: xen-devel@lists.xenproject.org From: Jan Beulich Message-ID: <7bca24cb-a3af-b54d-b224-3c2a316859dd@suse.com> Date: Tue, 17 Nov 2020 09:12:10 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.4.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 16.11.2020 22:57, Cheyenne Wills wrote: > Running Xen with XSA-351 is causing Solaris 11 systems to panic during > boot. The panic screen is showing the failure to be coming from > "unix:rdmsr". The panic occurs with existing guests (booting off a disk) > and the booting from an install ISO image. > > I discussed the problem with "andyhhp__" in the "#xen" IRC channel and he > requested that I report it here. Thanks. What we need though is information on the specific MSR(s) that will need to have workarounds added: We surely would want to avoid blindly doing this for all that the XSA change disallowed access to. Reproducing the panic screen here might already help; proper full logs would be even better. Jan