On Tue, 2008-05-06 at 09:51 +0200, Gerhard Pircher wrote: > Takashi Iwai posted a preliminary patch a long time ago. I tested it > on my > machine and it failed with non coherent scatter-gather DMA allocations > (I guess almost all ALSA PCI drivers use SG DMA?). How does Alsa allocate such SG ? Ben.