Alan Taylor <alan-linuxaudiouser@xxxxxxxx> writes: > On Mon, 2005-04-18 at 00:10 -0500, Jack O'Quin wrote: >> Alan Taylor <alan-linuxaudiouser@xxxxxxxx> writes: >> >> > The error seems to point to the channel count, but whether I specify 2 >> > or the proper number, which is 4, it makes no difference. Permissions >> > and ownership:group in /dev/sound and /dev/snd appear to be fine. >> >> Try leaving off -i and -o completely. Internally, the chip has 10 >> inputs and 12 outputs, although the card only has 4 and 4. Just allow >> JACK to use them all. It shouldn't hurt anything. >> > > That did it! I set both values to 0 in qjackctl and it just leaves them > off the command line. That seems odd that I'd have access to the device > for the I/O of data, but not access to settings like number of ports. > Any insight as to why that is? Either way, thank you very much for your > help! Someone who understands the ice1712 driver can probably explain it. I don't know for sure, but I think maybe the chip forces all 22 I/O buffers to be mapped into the DMA address space. -- joq