Then I'd guess the sg module is not seeing the firewire properly. There is a rescan SCSI bus script available at http://www.garloff.de/kurt/linux/rescan-scsi-bus.sh
Then I'd guess the sg module is not seeing the firewire properly. There is a rescan SCSI bus script available at
which may help. May I ask if there was a reason you used the unsupported kernel?