Andrew Gillis wrote:
> Sep 17 10:07:38 sonicorbiter kernel: xhci_hcd 0000:06:00.0: ERROR: unexpected 
> command completion code 0x11.

This means that the USB controller does not like what the controller
driver has told it to do.  This could be a bug in some driver, but if
it happens only with that NEC controller, the bug is likely to be there.

> Sep 17 10:07:38 sonicorbiter kernel: usb 1-2: Warning! Unlikely big volume 
> range (=32767), cval->res is proba

This is a firmware bug, but probably unrelated.

> Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

This is not the sound device.

> Sep 17 10:07:39 sonicorbiter kernel: usb 1-2: USB disconnect, device number 3

Either the USB controller or the device got really confused.

Try to get the "lsusb -v" output on some other controller/PC.


Regards,
Clemens
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