Re: DMA Mapping Error in ppc64

2018-03-26 Thread Jared Bents
Hi Ben On Sat, Mar 24, 2018 at 3:19 AM, Benjamin Herrenschmidt <b...@kernel.crashing.org> wrote: > On Fri, 2018-03-23 at 07:41 -0500, Jared Bents wrote: >> Thank you for the advice. Looks like I get to try to rewrite the ath9k and >> ath10k drivers to use dma_alloc_coherent

Re: DMA Mapping Error in ppc64

2018-03-23 Thread Jared Bents
Thank you for the advice. Looks like I get to try to rewrite the ath9k and ath10k drivers to use dma_alloc_coherent() instead of kmemdup() and dev_alloc_skb() On Thu, Mar 22, 2018 at 8:19 PM, Oliver <ooh...@gmail.com> wrote: > On Fri, Mar 23, 2018 at 1:37 AM, Jared Bents &g

Re: DMA Mapping Error in ppc64

2018-03-22 Thread Jared Bents
11:54 PM, Oliver <ooh...@gmail.com> wrote: > On Thu, Mar 22, 2018 at 8:00 AM, Jared Bents > <jared.be...@rockwellcollins.com> wrote: >> Hi all, >> >> Apologies for the amount of information but we've been debugging this >> for a while and I wanted to get w

DMA Mapping Error in ppc64

2018-03-21 Thread Jared Bents
Hi all, Apologies for the amount of information but we've been debugging this for a while and I wanted to get what we are seeing captured as much as possible. We are a T1042 processor and have a total 8GB DDR and our kernel version is fsl-sdk-v2.0-1703 (linux v4.1.35) as that is the latest