From owner-freebsd-stable@freebsd.org Tue Sep 13 07:06:04 2016 Return-Path: Delivered-To: freebsd-stable@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 BA93CBD7E99 for ; Tue, 13 Sep 2016 07:06:04 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from cu01176a.smtpx.saremail.com (cu01176a.smtpx.saremail.com [195.16.150.151]) (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 7C310D2 for ; Tue, 13 Sep 2016 07:06:03 +0000 (UTC) (envelope-from borjam@sarenet.es) Received: from [172.16.8.36] (izaro.sarenet.es [192.148.167.11]) by proxypop03.sare.net (Postfix) with ESMTPSA id EE77E9DDF74; Tue, 13 Sep 2016 08:58:56 +0200 (CEST) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: Intel NVMe troubles? From: Borja Marcos In-Reply-To: Date: Tue, 13 Sep 2016 08:58:56 +0200 Cc: FreeBSD-STABLE Mailing List Content-Transfer-Encoding: quoted-printable Message-Id: References: <4996AF96-76BA-47F1-B328-D4FE7AC777EE@sarenet.es> To: Jim Harris X-Mailer: Apple Mail (2.3124) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Sep 2016 07:06:04 -0000 > On 12 Sep 2016, at 17:23, Jim Harris wrote: >=20 > There is an updated DCT 3.0.2 at: https://downloadcenter.intel. > com/download/26221/Intel-SSD-Data-Center-Tool which has a fix for this > issue. >=20 > Borja has already downloaded this update and confirmed it looks good = so > far. Posting the update and results here so it is archived on the = STABLE > mailing list. Is it just my imagination or has trim performance improved dramatically? = I=E2=80=99m being unable to replicate the I/O stalls that I observed after running some simultaneous Bonnie++ = benchmarks with large files. Thanks, Borja.