Re: firewire

[Jay Zach <jzach@zachfamily.org>]

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Tom Allison wrote:
> I have an Agere Systems FW323 chipset firewire card that I think should
> work under linux based on some linux compatibility stuff I found on the
> internet.
> 
> For the most part it does.
> 
> tallison@isengard:~$ lsmod | grep 1394
> raw1394                25580  4
> ohci1394               30388  0
> ieee1394               88376  2 raw1394,ohci1394
> 
> During boot I get:
> Apr 19 19:25:47 localhost kernel: ohci1394: $Rev: 1313 $ Ben Collins
> <bcollins@debian.org>
> Apr 19 19:25:47 localhost kernel: ohci1394: fw-host0: Unexpected PCI
> resource length of 1000!
> Apr 19 19:25:47 localhost kernel: ohci1394: fw-host0: OHCI-1394 1.0
> (PCI): IRQ=[193]  MMIO=[e8000000-e80007ff]  Max Packet=[2048]
> 
> But I have to manually modprobe raw1394:
> 
> Apr 19 19:26:44 localhost kernel: ieee1394: raw1394: /dev/raw1394 device
> initialized
> 
> 
> However, I continuously get a message that 'no camera exists' when I try
> to grab anything.  Yes, the camera is on.  No the camera doesn't seem to
> think there is much to talk to either.  Once I get a 'DV-IN' message on
> the camera.
> 
> Sounds like a bad cable?
> Might be, I haven't any way of knowing, the cable is about 2 hours old.
> 
> But digging around I found mention of something called gscanbus as a
> tool to identify what's on my system.  It generally doesn't do much
> useful.  In fact once started, it doesn't really appear to do anything
> at all.  Then after about 3 minutes my entire system freezes and I have
> to pull the plug and restart the system.  keyboard, mouse, network,
> everything.
> 
> Because of this, I'm not entirely certain it's just a cable.
> 
> I'm currently running  2.6.15-1-486 kernel
> 
> Any suggestions?  I'm not sure what the next step is other than to get
> an RMA and never try firewire again.
> 
> 



Sounds about like the same problem I have.  I found the solution on some list
somewhere ( Can't remember if it was here or not).  It's a weird solution, but
works for me.

I have to do a "rmmod iee1394" , then it just works....

Strange, huh?   Hope it's the same issue for you....


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Breadth-first search is the bulldozer of science.
		-- Randy Goebel

Thursday Apr 20, 2006

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