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

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Hi Naresh,

Just adding Christoph and Jim to cc]

On Fri, 9 Oct 2020 19:26:24 +0530 Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
>
> On Fri, 9 Oct 2020 at 19:24, Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> wrote:
> >
> >
> >
> > On Thu, 24 Sep 2020 at 15:26, Joerg Roedel <joro@xxxxxxxxxx> wrote:  
> > >
> > > On Thu, Sep 24, 2020 at 10:36:47AM +0100, Robin Murphy wrote:  
> > > > Yes, the issue was introduced by one of the changes in "dma-mapping:
> > > > introduce DMA range map, supplanting dma_pfn_offset", so it only existed in
> > > > the dma-mapping/for-next branch anyway.  
> >  
> 
> FYI,
> The reported problem still exists on 5.9.0-rc8-next-20201009.
> 
> [    1.843814] Driver must set ecc.strength when using hardware ECC
> [    1.849847] WARNING: CPU: 4 PID: 1 at
> drivers/mtd/nand/raw/nand_base.c:5687 nand_scan_with_ids+0x1450/0x1470
> [    1.859676] Modules linked in:
> [    1.862730] CPU: 4 PID: 1 Comm: swapper/0 Not tainted
> 5.9.0-rc8-next-20201009 #1
> [    1.870125] Hardware name: Freescale Layerscape 2088A RDB Board (DT)
> [    1.876478] pstate: 40000005 (nZcv daif -PAN -UAO -TCO BTYPE=--)
> [    1.882483] pc : nand_scan_with_ids+0x1450/0x1470
> [    1.887183] lr : nand_scan_with_ids+0x1450/0x1470
> 
> full test log,
> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20201009/testrun/3284876/suite/linux-log-parser/test/check-kernel-warning-92014/log
> 
> > >
> > > Okay, alright then.
> > >  
> 
> - Naresh

-- 
Cheers,
Stephen Rothwell

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