From owner-svn-src-all@freebsd.org Fri Apr 15 04:45:39 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 17247AECE37; Fri, 15 Apr 2016 04:45:39 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C523710D6; Fri, 15 Apr 2016 04:45:38 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u3F4jcMS077711; Fri, 15 Apr 2016 04:45:38 GMT (envelope-from imp@FreeBSD.org) Received: (from imp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u3F4jcr9077710; Fri, 15 Apr 2016 04:45:38 GMT (envelope-from imp@FreeBSD.org) Message-Id: <201604150445.u3F4jcr9077710@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: imp set sender to imp@FreeBSD.org using -f From: Warner Losh Date: Fri, 15 Apr 2016 04:45:37 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298034 - head X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Apr 2016 04:45:39 -0000 Author: imp Date: Fri Apr 15 04:45:37 2016 New Revision: 298034 URL: https://svnweb.freebsd.org/changeset/base/298034 Log: Add update. Modified: head/UPDATING Modified: head/UPDATING ============================================================================== --- head/UPDATING Fri Apr 15 04:10:47 2016 (r298033) +++ head/UPDATING Fri Apr 15 04:45:37 2016 (r298034) @@ -32,11 +32,31 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 11 "ln -s 'abort:false,junk:false' /etc/malloc.conf".) 20160414: - The CAM I/O scheduler has been committed to the kernel. There should - be no user visible impact. This does enable NCQ Trim on ada - SSDs. While the list of known rogues that claim support for - this but actually corrupt data is believed to be complete, be - on the lookout for data corruption. + The CAM I/O scheduler has been committed to the kernel. There should be + no user visible impact. This does enable NCQ Trim on ada SSDs. While the + list of known rogues that claim support for this but actually corrupt + data is believed to be complete, be on the lookout for data + corruption. The known rogue list is believed to be complete: + + o Crucial MX100, M550 drives with MU01 firmware. + o Micron M510 and M550 drives with MU01 firmware. + o Micron M500 prior to MU07 firmware + o Samsung 830, 840, and 850 all firmwares + o FCCT M500 all firmwares + + Crucial has firmware http://www.crucial.com/usa/en/support-ssd-firmware + with working NCQ TRIM. For Micron branded drives, see your sales rep for + updated firmware. Black listed drives will work correctly because these + drives work correctly so long as no NCQ TRIMs are sent to them. Given + this list is the same as found in Linux, it's believed there are no + other rogues in the market place. All other models from the above + vendors work. + + To be safe, if you are at all concerned, you can quirk each of your + drives to prevent NCQ from being sent by setting: + kern.cam.ada.X.quirks="0x2" + in loader.conf. If the drive requires the 4k sector quirk, set the + quirks entry to 0x3. 20160330: The FAST_DEPEND build option has been removed and its functionality is