Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> writes: > Hello, > > I've noticed the following backtrace during shutdown stage when > rebooting RB5 board, > using linux-next/master: > > [ 31.060483] ath11k_pci 0000:01:00.0: shutdown > [ 31.067844] ------------[ cut here ]------------ > [ 31.073111] WARNING: CPU: 4 PID: 101 at > drivers/iommu/io-pgtable-arm.c:583 __arm_lpae_unmap+0x39c/0x550 Do you have CONFIG_DMA_API_DEBUG disabled? There is one commit fixing a DMA API debug warning but that should be in linux-next already: cd6181ff7e93 ath11k: dp_rx: fix monitor status dma unmap direction -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
