Re: is firewire broken in Debain?

[Ron Johnson <ron.l.johnson@cox.net>]

On 05/28/2010 12:53 PM, H.S. wrote:
> I used to grab video from my DCR TVR25 MiniDV camcorder without any
> problems in the past on Debian Testing using Kino or dvgrab. Since some
> kernel version and up, this has not been possible anymore.
>
> I am now using Debian Testing, KDE and kernel 2.6.32-trunk-686.
>
> I see that firewire is now handled differently in the kernel and that
> /dev/fw? devices are formed instead of /dev/raw1394. Since Kino demands
> the latter, I have created a symbolic link /dev/raw1394 to /dev/fw0 (or
> fw1, as the case may be).
>
> I have these modules loaded:
> $>  lsmod | grep fire
> firewire_sbp2           9575  0
> firewire_net            9181  0
> firewire_ohci          16477  0
> firewire_core          30915  3 firewire_sbp2,firewire_net,firewire_ohci
> crc_itu_t               1035  1 firewire_core
> scsi_mod              101073  3 firewire_sbp2,sr_mod,libata
>
>
> When I connect the DV camera to the firewire port, I get these error
[snip]
> 46:19 krnl [ 2432.443191] firewire_ohci: isochronous cycle inconsistent
>
>
> Kino still doesn't work, I complains that raw1394 module is not
> available. But those isochronous error message still trouble me. Anybody
> now what is going on? How is one supposed to get around this problem?

I think that the "old" Firewire stack is still in the kernel.

Googling "linux howto use old firewire stack", I found this link 
which might help:

http://www.kdenlive.org/user-manual/troubleshooting-and-common-problems/troubleshooting-firewire-capture

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