Lowell Gilbert wrote: > Okay, let's go back to the basics. > What does "dmesg|grep pcm" show? pcm0: <AudioPCI ES1370> port 0x1080-0x10bf irq 10 at device 13.0 on pci0 I've checked that the port memory does not overlap anything else, also that there are no other devices that use irq 10 at device 13.0. Thanks. Walter