On Sat, Oct 10, 2020 at 2:53 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > 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 Hi, I'm having a hard time coming up with a theory regarding how a commit concerning DMA offsets can affect the operation of a NAND driver that appears not to use DMA or the dma-ranges property. Does anyone else have some ideas, or is there perhaps someone familiar with this test configuration that I can correspond with to get to the bottom of the warning? Thanks, Jim Quinlan Broadcom STB > > > > 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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