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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 F2954C43331 for ; Tue, 12 Nov 2019 22:58:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B96E521925 for ; Tue, 12 Nov 2019 22:58:31 +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="RP+h8ksQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727020AbfKLW6b (ORCPT ); Tue, 12 Nov 2019 17:58:31 -0500 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.50]:13368 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726910AbfKLW6a (ORCPT ); Tue, 12 Nov 2019 17:58:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1573599508; s=strato-dkim-0002; d=xenosoft.de; h=In-Reply-To:Date:Message-ID:From:References:Cc:To:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=l6LnXidqFjF8wEu13TNhLe3TegTl/p6HTykS60F7XJ0=; b=RP+h8ksQDgPEgozwFkFlpQuIW44Arljj+8wYPKDDi7VEb9RFtce/CWUXW8n8xpPTJI Myjt1PTATUHWLui8rr9ddiI5bWyY5aFmZAE1nsOpiQfKPRj6lAF8bi+YyqBs32Lx3nsj tK75rSvi4FNPFtdBm9RPvY7aZFkPkGi1FCjJWIr9T6vB5jgfGdFO1SHLSt3jw+HSWAOT uvY4K2NJ1cPKhXG+BBRd1BYCw4rdcJpbVjkVGFDE8aDzVixiwOMU0z/oT5pFvNCXERFl WFSwspXk/sLfQ2/aPONYoIlJPivXMPNlagHWly/usYgrwOwBEBxhDiKGx7FzdUfp8CU8 HogQ== X-RZG-AUTH: ":L2QefEenb+UdBJSdRCXu93KJ1bmSGnhMdmOod1DhGM4l4Hio94KKxRySfLxnHfJ+Dkjp5DdBJSrwuuqxvPhbLt/v7eF2q0hCA21Ezkix5/Bq7A==" X-RZG-CLASS-ID: mo00 Received: from [IPv6:2a02:8109:89c0:ebfc:881b:29d1:ef56:a34c] by smtp.strato.de (RZmta 44.29.0 AUTH) with ESMTPSA id q007c8vACMwMiL6 (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); Tue, 12 Nov 2019 23:58:22 +0100 (CET) Subject: Re: Bug 205201 - overflow of DMA mask and bus mask To: Christoph Hellwig Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Benjamin Herrenschmidt , paulus@samba.org, darren@stevens-zone.net, "contact@a-eon.com" , rtd2@xtra.co.nz, mad skateman , Rob Herring , linuxppc-dev , nsaenzjulienne@suse.de References: <71A251A5-FA06-4019-B324-7AED32F7B714@xenosoft.de> <1b0c5c21-2761-d3a3-651b-3687bb6ae694@xenosoft.de> <3504ee70-02de-049e-6402-2d530bf55a84@xenosoft.de> <46025f1b-db20-ac23-7dcd-10bc43bbb6ee@xenosoft.de> <20191105162856.GA15402@lst.de> <2f3c81bd-d498-066a-12c0-0a7715cda18f@xenosoft.de> <0c5a8009-d28b-601f-3d1a-9de0e869911c@xenosoft.de> <20191112144109.GA11805@lst.de> From: Christian Zigotzky Message-ID: <288d3c11-725b-ecdd-2495-b4a69aafb693@xenosoft.de> Date: Tue, 12 Nov 2019 23:58:22 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <20191112144109.GA11805@lst.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: de-DE Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12 November 2019 at 3:41 pm, Christoph Hellwig wrote: > On Mon, Nov 11, 2019 at 01:22:55PM +0100, Christian Zigotzky wrote: >> Now, I can definitely say that this patch does not solve the issue. >> >> Do you have another patch for testing or shall I bisect? > I'm still interested in the .config and dmesg. Especially if the > board is using arch/powerpc/sysdev/fsl_pci.c, which is the only > place inside the powerpc arch code doing funny things with the > bus_dma_mask, which Robin pointed out looks fishy. > Here you are: .config: https://bugzilla.kernel.org/attachment.cgi?id=285815 dmesg: https://bugzilla.kernel.org/attachment.cgi?id=285813 Thanks