Date: Mon, 07 Feb 2005 12:56:21 -0500 From: Stephan Uphoff <ups@tree.com> To: Gerald Heinig <gheinig@syskonnect.de> Cc: hackers@freebsd.org Subject: Re: Firewire blues Message-ID: <1107798981.6309.9.camel@palm.tree.com> In-Reply-To: <420731DD.3050206@syskonnect.de> References: <420731DD.3050206@syskonnect.de>
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On Mon, 2005-02-07 at 04:16, Gerald Heinig wrote:
> Hi all,
>
> I'm having problems getting two 5.3-RELEASE boxes to communicate over
> firewire.
> I'm using two VIA Vt-6306 -based cards which are correctly recognised at
> boot-time.
>
> I've loaded the dcons and dconschat modules and obtained both firewire
> addresses via fwcontrol.
I assume you mean dcons_crom module instead of dconschat.
Did you reset the firewire bus?
DCONS_CROM(4):
.....
BUGS
If you load dcons_crom.ko manually after booted, you may have to
initiate
a bus reset by ``fwcontrol -r'' to update Configuration ROM.
> When I try to set up a connection with dconschat I get
>
> [dcons disconnected (get crom failed)]
>
> The exact command I gave is:
>
> dconschat -br -G 5556 -t <the remote firewire address>
>
> I also tried setting the control ROM address with the -a option, to no
> avail.
>
> Anyone have any ideas as to where I'm going wrong?
>
> BTW, I'm trying to set up remote debugging with gdb to debug a kernel hang.
I recall some issues with gdb and firewire as a module that may or may
not be fixed.
I recommend to put the dcons into the kernel to avoid any problems.
Stephan
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