Can I force "non CYCLEMASTER mode" ?

[Dieter]

Re: kern/113785

Could "CYCLEMASTER mode" vs. "non CYCLEMASTER mode" be
the source of my firewire problems?

Is it possible to force FreeBSD to be in "non CYCLEMASTER mode" ?

Thanks.

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> > There is no initialization packet to send streams;
> 
> By initialization, I meant whatever conversation FreeBSD and the
> camcorder have once they are both up.
> 
> > however,
> > it might be a problem who is the cycle/bus/IR manager.
> > Can you see some difference of the output of the fwcontrol(8) and demsg(8)
> > in node-id, cycle master and etc. between success and failed cases?
> 
> Yes, we have a couple of new clues:
> 
> 	When FreeBSD says "CYCLEMASTER mode" it does not work.
> 	When FreeBSD says "non CYCLEMASTER mode" it works.
> 
> Also:
> 
>   The controller that works (if booted in correct order):
> 
> 	just bsd:
> 	# fwcontrol -u 1 -t
> 	crc_len: 3 generation:2 node_count:1 sid_count:1
> 	id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
> 	00    1       5  S400     0    1   -9W     -     -         1    0
> 
> 	now power up camcorder (does not work):
> 
> 	# fwcontrol -u 1 -t
> 	crc_len: 4 generation:3 node_count:2 sid_count:2
> 	id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
> 	00    1      63  S100     0    1    0W     -     P         1    0
> 	01    1       5  S400     0    1   -9W     -     C         0    0
> 
> 	Looks like the S400 & non-zero power device (BSD box) changed id from 00 to 01?
> 
> 	after booting camcorder and FreeBSD in correct order (works):
> 
> 	# fwcontrol -u 1 -t
> 	crc_len: 4 generation:1 node_count:2 sid_count:2
> 	id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
> 	00    1      63  S400     0    1   -9W     -     P         1    0
> 	01    1      63  S100     0    1    0W     -     C         0    0
> 
> 	Note that the BSD box is id 00.
> 
>   The controller that never works:
> 
> 	# fwcontrol -u 0 -t
> 	crc_len: 4 generation:2 node_count:2 sid_count:2
> 	id link gap_cnt speed delay cIRM power port0 port1 port2 ini more
> 	00    1       5  S100     0    1    0W     -     P         0    0
> 	01    1       5  S400     0    1   15W     C     -         1    0
> 
> 	The BSD box is id 01.
> 	Perhaps the "C" showing up under port0 instead of port1 is significant?
> 
>   So: if the BSD box is id 00, camcorder is id 01 -> works
>       if the BSD box is id 01, camcorder is id 00 -> does not work
> 
> > Thanks for a fix for the compiler warning.
> 
> You're welcome.

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