From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64338C04EB8 for ; Wed, 12 Dec 2018 07:03:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 298DE20851 for ; Wed, 12 Dec 2018 07:03:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=xenosoft.de header.i=@xenosoft.de header.b="AuKsvPyz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 298DE20851 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=xenosoft.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726614AbeLLHDw (ORCPT ); Wed, 12 Dec 2018 02:03:52 -0500 Received: from mo4-p01-ob.smtp.rzone.de ([81.169.146.164]:36667 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbeLLHDu (ORCPT ); Wed, 12 Dec 2018 02:03:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1544598228; s=strato-dkim-0002; d=xenosoft.de; h=To:References:Message-Id:Cc:Date:In-Reply-To:From:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=PcaQMij3IhasAIn1L/QX0knVHDE+RBFUQFsFKkzwR9Q=; b=AuKsvPyzx0E9tzHRJXvnbQAzbIkNDCwniALTSjf64AYUGucEl0IF21gJZuwu5QV8DI aTtIx4h2nw3iIVy3SQkzcihUhoeFoVYEVZqgU5n5Pd9u8HlEhpGAD5U04Mj/Xn9EGzWR PHfY6atX3wuEuKJHuiDmDEUXAQ4yrUroWilOsndM7PaagqYaZ7OhTHgCgosrEiZpIU5y P6FjTg6Bbb4d7FlpBj14efXgQDRRt0zSOX7WT0huUM9kMlccBX2qR43stD8TdDv8WgNz WXVXYTtx6mP1GjuVu5cFEyJ9vdhsJ8oDbvOy4jXeYaKAKOQaS7zP7UcqQDcH4E4aCiAu 2AMQ== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGN0rBVhd9dFr44+gKiZpmhkMNrXaTDU=" X-RZG-CLASS-ID: mo00 Received: from [192.168.178.26] by smtp.strato.de (RZmta 44.7 DYNA|AUTH) with ESMTPSA id j074b8uBC73Q9yu (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Wed, 12 Dec 2018 08:03:26 +0100 (CET) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (1.0) Subject: Re: use generic DMA mapping code in powerpc V4 From: Christian Zigotzky X-Mailer: iPhone Mail (15G77) In-Reply-To: Date: Wed, 12 Dec 2018 08:03:26 +0100 Cc: Christoph Hellwig , linux-arch@vger.kernel.org, Darren Stevens , linux-kernel@vger.kernel.org, Julian Margetson , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Paul Mackerras , Olof Johansson , linuxppc-dev@lists.ozlabs.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <20181129170351.GC27951@lst.de> <20181130105346.GB26765@lst.de> <8694431d-c669-b7b9-99fa-e99db5d45a7d@xenosoft.de> <20181130131056.GA5211@lst.de> <25999587-2d91-a63c-ed38-c3fb0075d9f1@xenosoft.de> <58c61afb-290f-6196-c72c-ac7b61b84718@xenosoft.de> <20181204142426.GA2743@lst.de> <20181205140550.GA27549@lst.de> <1948cf84-49ab-543c-472c-d18e27751903@xenosoft.de> <5a2ea855-b4b0-e48a-5c3e-c859a8451ca2@xenosoft.de> <7B6DDB28-8BF6-4589-84ED-F1D4D13BFED6@xenosoft.de> <8a2c4581-0c85-8065-f37e-984755eb31ab@xenosoft.de> <424bb228-c9e5-6593-1ab7-5950d9b2bd4e@xenosoft.de> <1ecb7692-f3fb-a246-91f9-2db1b9496305@xenosoft.de> <6c997c03-e072-97a9-8ae0-38a4363df919@xenosoft.de> <4cfb3f26-74e1-db01-b014-759f188bb5a6@xenosoft.de> <82879d3f-83de-6438-c1d6-49c571dcb671@xenosoft.de> To: Benjamin Herrenschmidt Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 12. Dec 2018, at 01:47, Benjamin Herrenschmidt wrote: >=20 >> On Tue, 2018-12-11 at 19:17 +0100, Christian Zigotzky wrote: >> X5000 (P5020 board): U-Boot loads the kernel and the dtb file. Then the=20= >> kernel starts but it doesn't find any hard disks (partitions). That=20 >> means this is also the bad commit for the P5020 board. >=20 > What are the disks hanging off ? A PCIe device of some sort ? >=20 > Can you send good & bad dmesg logs ? >=20 > Ben. >=20 >=20 Unfortunately not. It doesn=E2=80=99t detect any hard disk. That means the k= ernel ring buffer won=E2=80=99t save to log files. I don=E2=80=99t have a se= rial null modem cable for seeing all output. We use SATA disks. I will inves= tigate more in this problem with rollback the files in the bad commit. =E2=80=94 Christian