On 11/17/2016 04:41 PM, Joerg Roedel wrote:
Hi Mark,On Thu, Nov 17, 2016 at 02:13:59PM -0500, Mark Hounschell wrote:Kernel version is 4.8.0. No failure when the IOMMU is disabled. This is an out of tree GPL driver using pci_alloc_consistent/pci_free_consistent. The free causes this.Can you please run the driver with dma-api debugging enabled? Does it trigger any warnings?
It's been a while since I've done that for ya. Kernel config options? Kernel cmd line you want?
Mark