modprobe -r ehci-hcd
I now get 4 channels in. It seems like it's not an ALSA or audio problem at all but rather a bug using USB 1.1 devices with ehci-hcd.
Thanks,
Jim
On 3/24/07, Jim Steed <jsteed@xxxxxxxxx> wrote:
I am trying to use an MAudio Quattro with Fedora Core 5 PPC build
2.6.16. I followed the directions here:
http://wiki.linuxquestions.org/wiki/M-Audio_Quattro
but when trying to actually use the Quattro with either jackd or
arecord, I get a dmesg error
cannot submit datapipe for urb 0, err = -28
I get the same error whether I ask for 4 channels or 2. The error -28
is usb bandwidth, but CONFIG_USB_BANDWIDTH was not set, so I'm not
sure what would be causing it to fail. What is going wrong?
Thanks,
Jim Steed
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