Kernel Bug Tracker – Bug 8471
Ricoh FireWire controller doesn't work with FreeBob audio driver
Last modified: 2008-10-26 11:35:45 UTC
Audio capture through the JACK / FreeBoB drivers fails with the following message:
ohci1394: fw-host0: Unrecoverable error!
ohci1394: fw-host0: Iso Xmit 0 Context died: ctrl cmdptr[f000e2c3]
Happens with the following FierWire controller which is found as onboard
controller of a number of relatively current notebooks:
FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 08)
Closing out stale bugs
Other posts about this problem:
From the latter thread: The "event" part of the ctrl bitfield means "evt_descriptor_read = An unrecoverable error occurred while the Host Controller was reading a descriptor block." Not very helpful though.