From owner-freebsd-hackers@freebsd.org Thu Sep 19 13:02:53 2019 Return-Path: Delivered-To: freebsd-hackers@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 DCE36122ED0 for ; Thu, 19 Sep 2019 13:02:53 +0000 (UTC) (envelope-from sebastian.huber@embedded-brains.de) Received: from dedi548.your-server.de (dedi548.your-server.de [85.10.215.148]) (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 46Yxph6jFQz3DM0 for ; Thu, 19 Sep 2019 13:02:52 +0000 (UTC) (envelope-from sebastian.huber@embedded-brains.de) Received: from sslproxy05.your-server.de ([78.46.172.2]) by dedi548.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1iAw58-0004nX-Oo; Thu, 19 Sep 2019 15:02:46 +0200 Received: from [82.100.198.138] (helo=mail.embedded-brains.de) by sslproxy05.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1iAw58-000Se1-Jo; Thu, 19 Sep 2019 15:02:46 +0200 Received: from localhost (localhost.localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id 8E0F62A000F; Thu, 19 Sep 2019 15:03:00 +0200 (CEST) Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id Tm7MVkhp4gFb; Thu, 19 Sep 2019 15:03:00 +0200 (CEST) Received: from localhost (localhost.localhost [127.0.0.1]) by mail.embedded-brains.de (Postfix) with ESMTP id E91C92A1682; Thu, 19 Sep 2019 15:02:59 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.eb.localhost Received: from mail.embedded-brains.de ([127.0.0.1]) by localhost (zimbra.eb.localhost [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 7Tmf6qC5QIGB; Thu, 19 Sep 2019 15:02:59 +0200 (CEST) Received: from huber-nb-linux.suse (unknown [192.168.96.161]) by mail.embedded-brains.de (Postfix) with ESMTPSA id CF4552A000F; Thu, 19 Sep 2019 15:02:59 +0200 (CEST) Subject: Re: Problems with port of NVMe support To: Warner Losh Cc: FreeBSD Hackers References: From: Sebastian Huber Message-ID: <9fb441a6-5fab-3950-8b44-558f0f71dba4@embedded-brains.de> Date: Thu, 19 Sep 2019 15:02:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: quoted-printable X-Authenticated-Sender: smtp-embedded@poldinet.de X-Virus-Scanned: Clear (ClamAV 0.101.4/25577/Thu Sep 19 10:20:13 2019) X-Rspamd-Queue-Id: 46Yxph6jFQz3DM0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of sebastian.huber@embedded-brains.de designates 85.10.215.148 as permitted sender) smtp.mailfrom=sebastian.huber@embedded-brains.de X-Spamd-Result: default: False [-2.40 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_SEVEN(0.00)[8]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:85.10.215.148]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; DMARC_NA(0.00)[embedded-brains.de]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[148.215.10.85.list.dnswl.org : 127.0.10.0]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; IP_SCORE(-0.10)[ipnet: 85.10.192.0/18(1.29), asn: 24940(-1.79), country: DE(-0.01)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:24940, ipnet:85.10.192.0/18, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; HAS_X_AS(0.00)[] X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Sep 2019 13:02:53 -0000 On 14/09/2019 07:08, Warner Losh wrote: >=20 > =C2=A0From the NVMe specification I didn't get any hints what the = error > reason could be. Maybe someone has a hint for me. The platform is a > T4240 PowerPC (big-endian). >=20 >=20 > Maybe the physaddr in the SG list for these commands doesn't translate=20 > right? I found the error, it was a misconfiguration of the Read Completion=20 Boundary (RCB). --=20 Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.huber@embedded-brains.de PGP : Public key available on request. Diese Nachricht ist keine gesch=C3=A4ftliche Mitteilung im Sinne des EHUG= .