Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp1293170imu; Tue, 11 Dec 2018 16:50:19 -0800 (PST) X-Google-Smtp-Source: AFSGD/Wqxnn0h6QKj63tGz77eecU6+GUAPt5oqddDsJOtHgD3sE0DbekBTHKoZQ8p3XHRqhSCK4e X-Received: by 2002:a63:6c48:: with SMTP id h69mr15746159pgc.139.1544575819301; Tue, 11 Dec 2018 16:50:19 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1544575819; cv=none; d=google.com; s=arc-20160816; b=dUTcUTr3LI4pJ1sv2RZ3du6qf6Y5KojO72fJUxUX0bGfNquL5vSDYbJpCOv+p9973w 1LFZtpME4j5rRKGJ8oevgOP7yHVAyAkzlbVVJO8DaYp72g8lB1El5n4/vIEbjQZ54eDS p2WrdlInP1yxRY0gj9hQjANv8EISiV6SGpQipyNVm8qzlGgUOV0ICVQ0NxoeEHuZ034U dWgJ4JpFyHmGCBFxuxdXia6TM60MVoGVYHugOQkDtuqEvunVJRq03Y7oLyHVRMKCXQ2/ OroSSMl5cn7Mr4wrt448Xqjox9KfWnMOGXmDo1wzW9tvtXbj0IUoZdmzXJZRFuJ+NGA+ LZ9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:cc:to:from:subject :message-id; bh=HFjtZJ83SFJt29kyllx/zy+hvEMpNJ0ETEl/Mn+nxcI=; b=f3YK7RLMNDBeTOwHb7TRvdM008QcZfrrMrKgor6Ko7RDeTRPW5JwbUd8Q4UFpC0Pfv 2o2RPlvh/k9TTAKf1c8Qj9eG9uFZz1wFZD8T8JniWEZRaWFAbsh/PHnA/HoYFWbuomku x1m0/lzE881KbgOjlnyCzv2yLU39FqytCwdIrOiyLv1KPJKfdd/UItcE7JWdliE77jGF AkaVNWL/qlQLJ0qFYXeI0QeCP3TleDYgpedZfra1gd7jmm7hjrpiQdVSkjumATEecix7 6rcTN8cnJiJMvzrziXes5tj2QCxoxgmE05bqSLH7Ij3eUnBKvomcf1pHZ8Eq6BMav3Fo jRQQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z5si12616200pgu.19.2018.12.11.16.50.00; Tue, 11 Dec 2018 16:50:19 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726267AbeLLAsF (ORCPT + 99 others); Tue, 11 Dec 2018 19:48:05 -0500 Received: from gate.crashing.org ([63.228.1.57]:60066 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726201AbeLLAsE (ORCPT ); Tue, 11 Dec 2018 19:48:04 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id wBC0lGgF022066; Tue, 11 Dec 2018 18:47:17 -0600 Message-ID: Subject: Re: use generic DMA mapping code in powerpc V4 From: Benjamin Herrenschmidt To: Christian Zigotzky , Christoph Hellwig Cc: 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 Date: Wed, 12 Dec 2018 11:47:16 +1100 In-Reply-To: <82879d3f-83de-6438-c1d6-49c571dcb671@xenosoft.de> 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> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.2 (3.30.2-2.fc29) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > kernel starts but it doesn't find any hard disks (partitions). That > means this is also the bad commit for the P5020 board. What are the disks hanging off ? A PCIe device of some sort ? Can you send good & bad dmesg logs ? Ben.