Re: IOMMU - DMA debugging

2017-08-11 Thread Federico Vaga
Hello, just to conclude this issue On Thursday, July 13, 2017 10:43:27 AM CEST Federico Vaga wrote: > On Wednesday, July 12, 2017 8:02:42 PM CEST Robin Murphy wrote: > [...] > > or alternatively the hardware itself is going wrong somehow (e.g. trying > > to read a buffer

Re: IOMMU - DMA debugging

2017-07-13 Thread Federico Vaga
On Wednesday, July 12, 2017 8:02:42 PM CEST Robin Murphy wrote: > On 12/07/17 18:20, Federico Vaga wrote: > > On Wednesday, July 12, 2017 2:15:34 PM CEST Federico Vaga wrote: > >> Thank you Robin > >> > >> (inline comments) > >> > >> On Wedne

Re: IOMMU - DMA debugging

2017-07-12 Thread Federico Vaga
On Wednesday, July 12, 2017 2:15:34 PM CEST Federico Vaga wrote: > Thank you Robin > > (inline comments) > > On Wednesday, July 12, 2017 1:10:51 PM CEST Robin Murphy wrote: > > On 12/07/17 08:11, Federico Vaga wrote: > > > Hello, > > > > > > kerne

Re: IOMMU - DMA debugging

2017-07-12 Thread Federico Vaga
Thank you Robin (inline comments) On Wednesday, July 12, 2017 1:10:51 PM CEST Robin Murphy wrote: > On 12/07/17 08:11, Federico Vaga wrote: > > Hello, > > > > kernel version 4.4.x > > > > I'm facing an issue with the INTEL IOMMU driver and DMA mapping. I

IOMMU - DMA debugging

2017-07-12 Thread Federico Vaga
:00.0] fault addr 7bbee [ 1272.646261] DMAR:[fault reason 05] PTE Write access is not set -- Federico Vaga http://www.federicovaga.it/ ___ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu