Christoph, On 05/02/20 2:49 PM, Christoph Hellwig wrote: > On Wed, Feb 05, 2020 at 02:48:17PM +0530, Kishon Vijay Abraham I wrote: >> Christoph, >> >> On 05/02/20 2:18 PM, Christoph Hellwig wrote: >>> On Wed, Feb 05, 2020 at 02:02:51PM +0530, Kishon Vijay Abraham I wrote: >>>>> you try that branch? >>>> >>>> I see data mismatch with that branch. >>> >>> But previously it didn't work at all? If you disable LPAE and thus >>> limit the available RAM, does it work without any fixes? >> >> Previously there was a warn dump and it gets stuck. >> >> With the branch you shared (with LPAE enabled), there was data mismatch. >> With the branch you shared (with LPAE disabled), things work fine >> (https://pastebin.ubuntu.com/p/kPNdsJd7ds/) > > Does the miscompare still happen if you revert: > > "dma-direct: improve DMA mask overflow reporting" > > and > > "dma-direct: improve swiotlb error reporting" > > ? Yes, I see the mismatch after reverting the above patches. Thanks Kishon
