David Kelly wrote:
On Nov 12, 2006, at 5:03 PM, Erik Norgaard wrote:
So I thought: Is this like ethernet that I need a crossed cable or
can I connect the two with an ordinary cable and check that it works?
There is no master nor slave in Firewire, all are peers, and all have
(essentially) the same socket. If the cable fits, it works. Witness
the difference between a hardware standard driven by Apple (Firewire)
and one from Intel/Microsoft (USB).
You might also try fwe(4) if your other OS's are capable of doing IP
over firewire.
OK, so I tried, and what can I deduce from this: I configured fwe0 on
both and pinged from A to B, no response was received:
B crashed (ok, so I assume this means it doesn't work). Interestingly,
this one has a Ricoh R5C552 chipset which should be supported. But, it
could be a conflict on the PCI-Cardbus bridge with the same IRQ?
On A, this output appeared in dmesg:
fwohci0: BUS reset
fwohci0: node_id=0xc000ffc1, gen=3, CYCLEMASTER mode
firewire0: 2 nodes, maxhop <= 1, cable IRM = 1 (me)
firewire0: bus manager 1 (me)
fwohci0: BUS reset
fwohci0: node_id=0x8000ffc0, gen=4, non CYCLEMASTER mode
firewire0: 2 nodes, maxhop <= 1, cable IRM = 1
firewire0: bus manager 1
firewire0: New S400 device ID:00e0180003094339
fwohci0: BUS reset
fwohci0: node_id=0xc000ffc0, gen=5, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
Does this mean it works? (the last 4 lines appeared after the other
machine crashed).
The interesting thing is that this one has a Texas Instruments PCI7x20
1394a-2000 OHCI Two-Port PHY/Link-Layer Controller, attached to a Texas
Instruments PCI7420 FireWire + CardBuss bridge. None are on the hardware
list (R6.1).
The bridge also have a Texas Instruments "PCI7420/PCI7620 Dual Socket
CardBus and Smart Card Cont. w/ 1394a-2000 OHCI Two-Port PHY/Link-Layer
Cont. and SD/MS-Pro Sockets" attached which doesn't work.
I'd be happy if things work on A, as this is my new machine :)
Thanks, Erik
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