poma wrote:
Sound whispers,
???
WARNING: CPU: 3 PID: 900 at lib/dma-debug.c:593
debug_dma_assert_idle+0x159/0x1d0()
snd_hda_intel 0000:00:07.0: DMA-API: cpu touching an active dma mapped cacheline
[cln=0x03014000]
...
Mapped at:
[<c074ec12>] debug_dma_alloc_coherent+0x22/0x70
"Coherent" means "touching DMA mappings is allowed".
Why does dma-debug complain about that?
Regards,
Clemens