From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: Bug 205201 - overflow of DMA mask and bus mask Date: Tue, 12 Nov 2019 15:41:09 +0100 Message-ID: <20191112144109.GA11805@lst.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> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Christian Zigotzky Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, darren-YHtdit1eIT3easaKlIn9Lw@public.gmane.org, mad skateman , Benjamin Herrenschmidt , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Rob Herring , paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org, rtd2-kGM0oXzJM5p02iOg2JU2CQ@public.gmane.org, "contact-+1neenJGU+oAvxtiuMwx3w@public.gmane.org" , linuxppc-dev , Christoph Hellwig , nsaenzjulienne-l3A5Bk7waGM@public.gmane.org List-Id: linux-arch.vger.kernel.org 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. > > Thanks, > Christian ---end quoted text--- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from verein.lst.de ([213.95.11.211]:56161 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726008AbfKLOlP (ORCPT ); Tue, 12 Nov 2019 09:41:15 -0500 Date: Tue, 12 Nov 2019 15:41:09 +0100 From: Christoph Hellwig Subject: Re: Bug 205201 - overflow of DMA mask and bus mask Message-ID: <20191112144109.GA11805@lst.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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-arch-owner@vger.kernel.org List-ID: To: Christian Zigotzky Cc: Christoph Hellwig , 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 Message-ID: <20191112144109.r63gCCDo4cy_bSzpzEwd-MRM-6E2vvM_K0UjZzAqqbo@z> 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. > > Thanks, > Christian ---end quoted text---