From owner-freebsd-stable@freebsd.org Sun Feb 18 17:54:42 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 371DDF1C8D8 for ; Sun, 18 Feb 2018 17:54:42 +0000 (UTC) (envelope-from david.marec@davenulle.org) Received: from smtp.smtpout.orange.fr (smtp07.smtpout.orange.fr [80.12.242.129]) by mx1.freebsd.org (Postfix) with ESMTP id AED5482599 for ; Sun, 18 Feb 2018 17:54:41 +0000 (UTC) (envelope-from david.marec@davenulle.org) Received: from [192.168.1.14] ([86.201.45.222]) by mwinf5d66 with ME id CHn21x00d4nd8WE03Hn2Lf; Sun, 18 Feb 2018 18:47:03 +0100 X-ME-Helo: [192.168.1.14] X-ME-Date: Sun, 18 Feb 2018 18:47:03 +0100 X-ME-IP: 86.201.45.222 Subject: Re: stable/11 r329462 - Meltdown/Spectre MFC questions To: freebsd-stable@freebsd.org References: <20180217194726.GA79666@icarus.home.lan> <58099107-bc04-8ad9-3909-16bf5297dd2b@davenulle.org> <20180218165001.whbmonks7fq27mgq@mutt-hbsd> From: David Marec Message-ID: Date: Sun, 18 Feb 2018 18:47:02 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180218165001.whbmonks7fq27mgq@mutt-hbsd> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Feb 2018 17:54:42 -0000 On 18.02.2018 17:50, Shawn Webb wrote: >> >> Strange thing is that tweaking `hw.ibrs_disable` has no effect on >> `hw.ibrs_active` on my side. > > Did you install the latest Intel microcode update? > Hum, I thought I did, but I don't know actually if the following is the latest revision of the microcode: #cpucontrol -u -v /dev/cpuctl0 cpucontrol: skipping /usr/local/share/cpucontrol/m32306c3_00000022.fw of rev 0x22: up to date -- David Marec https://lapinbilly.eu/