[Bug 186434] Re: K3B cannot detect DVD writer on Firewire (Sony DVD RW DRU-710A)

[Stefan Richter]

The problem could be with
  - k3b and the libraries it uses (unlikely though since it works over USB),
  - the kernel (try a newer Ubuntu kernel/ Ubuntu release if you can),
  - the FireWire bus (full output of "dmesg" from when the 1394 drivers are loaded till the failure occurred would be useful),
  - the drive's firmware.

FireWire interface and USB interface usually have entirely separate
firmwares.  Try firmware uploader utilities from
http://ieee1394.wiki.kernel.org/index.php/Firmware_Downloads --- they
should show you if you have a matching chip and if you can install a
newer firmware versions.  If you don't know what chip the drive s based
on, try the Prolific updater first.  It requires Windows and works over
USB.

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K3B cannot detect DVD writer on Firewire (Sony DVD RW DRU-710A)
https://bugs.launchpad.net/bugs/186434
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