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=-0.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,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 0E49FC5519F for ; Tue, 17 Nov 2020 14:43:56 +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 8568D2222E for ; Tue, 17 Nov 2020 14:43:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sR46a+KE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8568D2222E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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.29043.58240 (Exim 4.92) (envelope-from ) id 1kf2Ct-000266-UX; Tue, 17 Nov 2020 14:43:43 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 29043.58240; Tue, 17 Nov 2020 14:43:43 +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 1kf2Ct-00025z-Re; Tue, 17 Nov 2020 14:43:43 +0000 Received: by outflank-mailman (input) for mailman id 29043; Tue, 17 Nov 2020 14:43:42 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kf2Cs-00025u-F5 for xen-devel@lists.xenproject.org; Tue, 17 Nov 2020 14:43:42 +0000 Received: from mail-lf1-x130.google.com (unknown [2a00:1450:4864:20::130]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 01e943a0-a0b4-4d3f-99d2-0adf996cd279; Tue, 17 Nov 2020 14:43:41 +0000 (UTC) Received: by mail-lf1-x130.google.com with SMTP id u19so24197957lfr.7 for ; Tue, 17 Nov 2020 06:43:41 -0800 (PST) Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kf2Cs-00025u-F5 for xen-devel@lists.xenproject.org; Tue, 17 Nov 2020 14:43:42 +0000 X-Inumbo-ID: 01e943a0-a0b4-4d3f-99d2-0adf996cd279 Received: from mail-lf1-x130.google.com (unknown [2a00:1450:4864:20::130]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 01e943a0-a0b4-4d3f-99d2-0adf996cd279; Tue, 17 Nov 2020 14:43:41 +0000 (UTC) Received: by mail-lf1-x130.google.com with SMTP id u19so24197957lfr.7 for ; Tue, 17 Nov 2020 06:43:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=QeNFXaMRbG0TXRdf1BcLhaiZbUvGLStAY3jmHGSDROA=; b=sR46a+KE8aZl+yy4j2I6SVx+VPjarZiC9qTGTt86igNaBpN4+QrtMYfpqqSBBvJ0lp uWPkzjtQoGRRXqOsogIqlYcmw12FP1H7164YHU5IJJbm8NTo9/eSOJqXNALdyM4pJSQ1 zOxJKq2WMl/MH1pqVqS6AXvCEHLBfhKFE24t+pMMrWPQkH10RA5vWfNkCvx/U+F42qHq BVq/ldRpATNc+VGqTK4uS6OphxqMKOcsycKLAP071aWkEqdMhQ8PU/vL8mG6yCub2vKr TD7tE+LBzIxOz5jKqka4THrVqOJ6l3UNb+a0/IC5z7VvOZV7blHMq82U9pGmTH90/lzq jaqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=QeNFXaMRbG0TXRdf1BcLhaiZbUvGLStAY3jmHGSDROA=; b=YFgPXUnF+IqaZKLtOYBk8GAy3n1sJ8GY50y83EVwLGX4dXpb5tTJQ0bzPLJFQ4SPpK znJhIBsrecNGJWdHrei509aoLJHr3i7lcYfsDO7jZdTdTMqddN61dzCJags3zwZLLZih zAPR+wlRWXB8l88r4ZXOOZZnUrdJ2MWM4OXULg0q23cCuGBGbG4VcFCUchYly6pA8jgJ 0fmvyaH+AlGgmouMs39ffMerfOpPt/jmLiS3aocaIyXwjBf5tzoa0gOkkWgbisXn2+u8 TYsg3lM92MV3Gy0Nxp1awjgxIjrvyRjAO4NHtJAFooRCZJn1fG+wJRlBJrHc4W6zN61g gd3Q== X-Gm-Message-State: AOAM530ebr/w39aPndSVi9GEONvzpTId6moiUp1yvgUkvddGR8j1CAzL Z7gWoYPKmPZ/WqzTeF3HKyMsb3nDJkfcwiv/wOc= X-Google-Smtp-Source: ABdhPJxqpGr8/kTWAmL7nf9+ebHPt8dVNKc+PwoLvFN1e17IVHFWFSDz77lXhlevDMmTRZJKQs2P8fdNLaPxG58jnq8= X-Received: by 2002:a05:6512:1095:: with SMTP id j21mr1830382lfg.309.1605624220457; Tue, 17 Nov 2020 06:43:40 -0800 (PST) MIME-Version: 1.0 References: <7bca24cb-a3af-b54d-b224-3c2a316859dd@suse.com> In-Reply-To: <7bca24cb-a3af-b54d-b224-3c2a316859dd@suse.com> From: Cheyenne Wills Date: Tue, 17 Nov 2020 07:43:29 -0700 Message-ID: Subject: Re: XSA-351 causing Solaris-11 systems to panic during boot. To: Jan Beulich Cc: xen-devel@lists.xenproject.org Content-Type: multipart/alternative; boundary="0000000000004d9f1605b44e851c" --0000000000004d9f1605b44e851c Content-Type: text/plain; charset="UTF-8" The Solaris version reported in the copyright banner on the ISO is SunOS Release 5.11 Version 11.4.0.15.0 64-bit My existing guest solaris systems are also at the same release/version level At the time of the panic, the panic log reports that the rcx register contains '0606' (this was from my notes yesterday). If additional information is needed, I will need a bit more time to set up my system again. On Tue, Nov 17, 2020 at 1:12 AM Jan Beulich wrote: > 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 > --0000000000004d9f1605b44e851c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The Solaris version reported in the copyright banner on th= e ISO is SunOS Release 5.11 Version 11.4.0.15.0 64-bit

M= y existing guest solaris systems are also at the same release/version level=

At the time of the panic, the panic log reports t= hat the rcx register contains '0606' (this was from my notes yester= day).=C2=A0 If additional information is needed, I will need a bit more tim= e to set up=C2=A0my system again.

On Tue, Nov 17, 2020 at 1:12 AM Jan = Beulich <jbeulich@suse.com> = wrote:
On 16.11.= 2020 22:57, Cheyenne Wills wrote:
> Running Xen with XSA-351 is causing Solaris 11 systems to panic during=
> boot.=C2=A0 The panic screen is showing the failure to be coming from<= br> > "unix:rdmsr".=C2=A0 The panic occurs with existing guests (b= ooting off a disk)
> and the=C2=A0 booting from an install ISO image.
>
> I discussed the problem with "andyhhp__" in the "#xen&q= uot; 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
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