From owner-freebsd-virtualization@freebsd.org Sun Jan 17 09:36:00 2021 Return-Path: Delivered-To: freebsd-virtualization@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EB6BC4E2534 for ; Sun, 17 Jan 2021 09:36:00 +0000 (UTC) (envelope-from editor@callfortesting.org) Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DJVCg68pFz4fX3 for ; Sun, 17 Jan 2021 09:35:59 +0000 (UTC) (envelope-from editor@callfortesting.org) Received: by mail-pg1-x52e.google.com with SMTP id p18so9023224pgm.11 for ; Sun, 17 Jan 2021 01:35:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=callfortesting-org.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=Dr2FZDEdURNEtmglIBv9tQKX8+cZSV6MKZMto/suQB4=; b=TUHoJimRfVuY5fi0NSyAfzaA00NfFx/JfSLtyxBYQn5/XRuGuAcHwFRThzYoKhXTc4 gcxvGZUcA8b8xYMJVMAxgslEtRuNuzmd7roF5fwBJfK++MQ2hMB8SMbqhE5mulch2wf2 SaW8b4jWj2wuO4AEMev3cyOeVDs2qHWPqGRYvBPnbtGWAbecqvnjlWqXkoFxuxgyY1rZ JyacDeJ4MexBowCMD2Dk8HoNoqbTK+yfZrW+03jpuX57x8Q/PmSEbFkhKHt+T5Jtsdbw PVw75Qb3rF1VTsKG674gje8tvSB5pqlFrFU0EzHffLo2/JZgUZmqTbKV3DQ3KBaeiuoy s33g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Dr2FZDEdURNEtmglIBv9tQKX8+cZSV6MKZMto/suQB4=; b=QNBJbWomhwZTJob8ZdbEMbZXARkX0Ev58u2ZsJCmgv+C5SPfgq+Nc4YcjioHqxHzhl FkYKWps6zVvwhclT6aOcdSfFjdeQzmx/oK1O0V7nA1TaHHZ7Ich//ZM9u5GSyJfTVc/D eVCOl63D/AVZPIPPwVlLD1xfPLfxqEC0YAPyUxjdaIoSWVa++5A1yh9K1Jy92nW1Rtve ZKO7499ILlFNoi4oAJAQQuQIg4MLqsCCQalf3SX2YTPHLeloV95B9kJ+4pea6f45U26r qpmQP3vx1s8LLgV0s+h7oMe1+nzYGhko1NEzMjhDL8G2+q9ehQPfRe7BsJz+NwGpV0HL 8iGw== X-Gm-Message-State: AOAM530K3+Y1Jix+PqihE3tg3dVhWqmOfc5VGikoGTdEJuGDESPOA4Xv a9ETn2JNZ5gd+SzCFiGa8jwB/rKm0Mn29U2A X-Google-Smtp-Source: ABdhPJyupo7OB2QzIUYRydcshL+CuMOuEEB4XXr/kBIa7W9h40fD9yKs1LSxu36ZeutaAh5lAA3CYQ== X-Received: by 2002:a63:da4e:: with SMTP id l14mr21601659pgj.248.1610876158160; Sun, 17 Jan 2021 01:35:58 -0800 (PST) Received: from macbook-2.local (c-71-238-26-71.hsd1.or.comcast.net. [71.238.26.71]) by smtp.gmail.com with ESMTPSA id d10sm12662565pfn.218.2021.01.17.01.35.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 17 Jan 2021 01:35:57 -0800 (PST) Subject: Re: UEFI -l com1, stdio floods console/Windows Server SAC with "rdmsr to register 0x198 on vcpu..." To: Peter Grehan Cc: "freebsd-virtualization@freebsd.org" References: <1dde1e58-3756-a9fd-f44d-6755f7788b1f@freebsd.org> From: Michael Dexter Message-ID: Date: Sun, 17 Jan 2021 01:35:55 -0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <1dde1e58-3756-a9fd-f44d-6755f7788b1f@freebsd.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4DJVCg68pFz4fX3 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=callfortesting-org.20150623.gappssmtp.com header.s=20150623 header.b=TUHoJimR; dmarc=none; spf=none (mx1.freebsd.org: domain of editor@callfortesting.org has no SPF policy when checking 2607:f8b0:4864:20::52e) smtp.mailfrom=editor@callfortesting.org X-Spamd-Result: default: False [-1.97 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[callfortesting-org.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::52e:from]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[71.238.26.71:received]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[callfortesting-org.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.33)[0.334]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-virtualization@freebsd.org]; DMARC_NA(0.00)[callfortesting.org]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::52e:from:127.0.2.255]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::52e:from]; R_SPF_NA(0.00)[no SPF record]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-virtualization] X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 17 Jan 2021 09:36:01 -0000 On 1/17/21 1:21 AM, Peter Grehan wrote: >> Can the "rdmsr to register 0x198 on vcpu..." and similar messages on a >> -l com1,stdio console when using UEFI firmware be redirected or >> suppressed? The -w flag does not silence them, assuming, perhaps >> incorrectly, they are unsupported MSRs. >> >> If redirected, should these be logged? > >  Please file a PR (https://www.freebsd.org/support/bugreports.html) > >  A simple workaround is to use an nmdm or pty device for com1 output. PR filed and indeed! https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252768 All the best, Michael