I have an echo Indigo I/O card and I can report the same issue, despite older versions of Ubuntu having and supported it, the card is seen through lspci but fails when loading firmware with this error on dmesg:
[ 5875.400604] ACPI: PCI interrupt for device 0000:16:00.0 disabled [ 5875.400654] Echoaudio Indigo IO: probe of 0000:16:00.0 failed with error -2 -- echo audio firmware missing https://bugs.launchpad.net/bugs/145921 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs