On Wed, Jun 23, 2021 at 02:44:34PM -0400, Qian Cai wrote:
> is_swiotlb_force_bounce at /usr/src/linux-next/./include/linux/swiotlb.h:119
>
> is_swiotlb_force_bounce() was the new function introduced in this patch here.
>
> +static inline bool is_swiotlb_force_bounce(struct device *dev)
> +{
> + return dev->dma_io_tlb_mem->force_bounce;
> +}
To me the crash looks like dev->dma_io_tlb_mem is NULL. Can you
turn this into :
return dev->dma_io_tlb_mem && dev->dma_io_tlb_mem->force_bounce;
for a quick debug check?
