linux-kernel - Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for IOMMU page tables

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Date:   Thu, 15 Oct 2020 09:48:21 +0200
From:   Christoph Hellwig <hch@....de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Joerg Roedel <joro@...tes.org>,
        Robin Murphy <robin.murphy@....com>,
        Poonam Aggrwal <poonam.aggrwal@....com>,
        Rob Herring <robh@...nel.org>, Joerg Roedel <jroedel@...e.de>,
        Arnd Bergmann <arnd@...db.de>,
        Richard Weinberger <richard@....at>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Suram Suram <suram@....com>, masonccyang@...c.com.tw,
        Will Deacon <will@...nel.org>,
        "Z.Q. Hou" <Zhiqiang.Hou@....com>, Christoph Hellwig <hch@....de>,
        Jim Quinlan <james.quinlan@...adcom.com>
Subject: Re: arm-smmu 5000000.iommu: Cannot accommodate DMA offset for
 IOMMU page tables

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?