Received: by 2002:a05:6a10:6744:0:0:0:0 with SMTP id w4csp292176pxu; Thu, 15 Oct 2020 04:14:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxSCgGWxENHNV546DFJdJExrQ0UmYQ0rRRfzvrVVBm6XWSucIM2dg9RsWWU1JvXmXOy2rAv X-Received: by 2002:aa7:dc18:: with SMTP id b24mr3821020edu.285.1602760481732; Thu, 15 Oct 2020 04:14:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1602760481; cv=none; d=google.com; s=arc-20160816; b=tek+MVw5asOTqIg/qp34LbkgACGCEQQGfe9kQPGLdM/zzUekcW2wkFOWsWvpScNZw0 gR4uy3K53e/Whj2mMJM6p7jv7gtGt2Fu9Zclvz29yyLOxCVLyUAVwibih2R94uBbA1yo 9hnaGaddnCbydhG34iEb61ZuujanlO6q5Vl9UDvJZPRTT8LpnEn+Q1DT3GbJ9MzBb193 3tZmUXUbnOhoh7T9hTzaNk8eWoDah1DAscUqYa+d82rDMdsUJXrmvkpdnX2QuZxmloR2 aHvnkbJ2pRo1PFGM8oOKmaAdbo1AcHc++6shd3arxiruOzqTYih4Y1MY2XmvIfDJt9E+ Cgqw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=8pkeM8xlz/U16s3gWzIzOTjK/7sqn8gz/CD7xnl1/rI=; b=TTC1/QdWALzeBi0HneA+5gJ4SQr6WzJ7thXxJ5u/xI4Gube0TNjgejEbPEj3cQgY5L mIFaeVH3iKsLo7G7A/CJS+nWZP0emb03VOdf1HkcQNXHXkusSeMRK2Pym31cetnGwUqN kWYxMbI6IV9T1kTZSgM/HZTSUpmGwp0+ZjIQ0qxBBchP0JGHEMqEbw9+1fsP4x0WBA2A p7tEnVUzvICHb0lhzXpBIb28CNwamrUJGRQk+aEOJwXeiN8tFrVV0VWO+lOnQDvVjLQn W9EeGY4qndfGsYsJOXTKgCyHW5VgNX5qxRxgQnK853eB4dvmv3drxN1vURoV/U1FVyzM wDbA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id pg18si1872197ejb.467.2020.10.15.04.14.19; Thu, 15 Oct 2020 04:14:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728968AbgJOHsZ (ORCPT + 99 others); Thu, 15 Oct 2020 03:48:25 -0400 Received: from verein.lst.de ([213.95.11.211]:59488 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726103AbgJOHsZ (ORCPT ); Thu, 15 Oct 2020 03:48:25 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 7E64068B05; Thu, 15 Oct 2020 09:48:21 +0200 (CEST) Date: Thu, 15 Oct 2020 09:48:21 +0200 From: Christoph Hellwig To: Stephen Rothwell Cc: Naresh Kamboju , Joerg Roedel , Robin Murphy , Poonam Aggrwal , Rob Herring , Joerg Roedel , Arnd Bergmann , Richard Weinberger , open list , lkft-triage@lists.linaro.org, Linux-Next Mailing List , linux-mtd@lists.infradead.org, Miquel Raynal , Suram Suram , masonccyang@mxic.com.tw, Will Deacon , "Z.Q. Hou" , Christoph Hellwig , Jim Quinlan Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables Message-ID: <20201015074821.GG14082@lst.de> References: <20200924090349.GF27174@8bytes.org> <20200924092546.GJ27174@8bytes.org> <20200924095629.GL27174@8bytes.org> <20201011055258.22337d66@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201011055258.22337d66@canb.auug.org.au> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 11, 2020 at 05:53:37AM +1100, Stephen Rothwell wrote: > Hi Naresh, > > Just adding Christoph and Jim to cc] Well, a Cc doesn't help on its own. Can you send an actual bug report including the setup, warnings and error messages, a bisection result and the usual suspects?