Is there anything I can do to help debug this issue? There are no debug messages printed in dmesg. I would really love to use my USB sound card but due to presumed kernel changes it no longer works in linux at all. On Tue, Jan 26, 2016 at 4:35 PM, Andrew Gillis <andrew@xxxxxxxxxxxxx> wrote: > That's interesting. 3.12 is the last kernel I can find that it works on as well. > > I'll file a bug report if nobody has any suggestions by tomorrow morning. > > -Andrew > > On Tue, Jan 26, 2016 at 5:17 PM, Sam Shepperd <samshepperd@xxxxxxxxx> wrote: >>> I attached a USB DAC based on the C-Media CM6632 USB chip to my Fedora >>> 22 Linux box and the DAC doesn't even show up under lsusb >>> >>> It works fin on an older 3.12 kernel box. >> >> FWIW I am having the same issue with a C-Media CM6631A: >> >> http://article.gmane.org/gmane.linux.usb.general/136559 >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-usb" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > Andrew Gillis > Lead Developer VortexBox > vortexbox.org -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html