fwcontrol: unknown format 0x1e

Erik Nørgaard norgaard at locolomo.org
Fri Sep 9 11:57:56 PDT 2005


Hi,

I am trying to transfer digital video over firewire from my camera
(Canon MXV200, PAL) to my laptop using fwcontrol, but whenever I try I 
get something like this:

# fwcontrol -R tmp/test.dv
(EAGAIN)
(EAGAIN)
fwcontrol: unknown format 0x1e

If I first press play then run the command I get:

# fwcontrol -R tmp/test.dv
PAL
0fwcontrol: unknown format 0x1e

The format code sometimes varies, and I have also got input/output 
error. Repeating can cause system to crash! or other applications to 
coredump.

Trying with "sysctl hw.firewire.try_bmr=0" as suggested in the man-page 
does not change anything.

I have tried to use dvrecv and it correctly identifies the camera/model 
but fails to read a single frame.

What am I missing?

Thanks, Erik

System:

FreeBSD 6.0-BETA4 #0: Tue Sep  6 21:16:56 CEST 2005
      norgaard at charm:/usr/obj/usr/src/sys/GENERIC

Turning on the device results in the following in /var/log/messages:

kernel: fwohci0: BUS reset
kernel: fwohci0: node_id=0xc800ffc1, gen=2, CYCLEMASTER mode
kernel: firewire0: 2 nodes, maxhop <= 1, cable IRM = 1 (me)
kernel: firewire0: bus manager 1 (me)
kernel: fwohci0: txd err= 3 miss Ack err
kernel: firewire0: bus_explore node=0 addr=0x400 resp=22 retry=1
kernel: fwohci0: txd err= 3 miss Ack err
kernel: firewire0: bus_explore node=0 addr=0x400 resp=22 retry=2
kernel: fwohci0: txd err= 3 miss Ack err
kernel: firewire0: bus_explore node=0 addr=0x400 resp=22 retry=3
kernel: fwohci0: txd err= 3 miss Ack err
kernel: firewire0: bus_explore node=0 addr=0x400 resp=22 retry=4
kernel: firewire0: bus_explore failed for 1 nodes
kernel: fwohci0: BUS reset
kernel: fwohci0: node_id=0xc800ffc0, gen=3, CYCLEMASTER mode
kernel: firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
kernel: firewire0: bus manager 0 (me)
kernel: fwohci0: BUS reset
kernel: fwohci0: node_id=0x8800ffc0, gen=4, non CYCLEMASTER mode
kernel: firewire0: 2 nodes, maxhop <= 1, cable IRM = 1
kernel: firewire0: bus manager 0 (me)
kernel: firewire0: New S100 device ID:00008500009e1a7e


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