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" ?
