As root, run # echo -1 > /sys/module/firewire_ohci/parameters/debug Then plug in/ switch on the camcorder. This should normally produce lots of output in dmesg. Please post the output here, if any.
As root, run firewire_ ohci/parameters /debug
# echo -1 > /sys/module/
Then plug in/ switch on the camcorder. This should normally produce lots of output in dmesg. Please post the output here, if any.