Re: KISS TNC problems with kissattach and mkiss

["IT2 Stuart Blake Tener, USNR" <teners@xxxxxxxxxxx>]

Robert,

Let me preface my comments by saying I have yet to install and play  
with Ubuntu where it intersects with Amateur radio (though I do intend  
to do so and play with packet again).

Have you looked at this page at all? I have been reading some of there  
pages and am curious what people think of the qualatative level of  
their work and their packages?

https://wiki.ubuntu.com/UbuntuHams


V/R,

Stuart, N3GWG


--

IT2 Stuart Blake Tener, USNR, N3GWG (Extra), MROP
Beverly Hills, CA / Las Vegas, NV / Philadelphia, PA / Washington, DC
mobile: (310) 358-0202
Nextel: 124*233172*14 (direct connect)
e-mail: teners@xxxxxxxxxxx



Quoting Robert Mead <rmead@xxxxxxxxxxxxxxxxx>:

> I was finally able to fix this by compiling ax25tools, ax25apps, and  
> libax25 myself. Ubuntu's versions are old. Still not sure why that  
> fixed it, since it seemed to be a kernel-level (miss module) issue.
>
> Running the serial port at 1200bps improved things substantially, as  
> well, but didn't entirely fix it.
>
> -Robert KC2YWE
>
> On Aug 14, 2011, at 11:16 PM, Robert Mead wrote:
>
> > Hey all - I've spent a very frustrating week trying to sort this  
> > out, maybe you guys can help:
> >
> > I've got a spare laptop in my shack. I tossed Linux (Xubuntu 11.04,  
> > 2.6.38) on it to do some packet work, and hooked it up to my TNC-X  
> > via a USB/serial dongle.
> >
> > I've got my axports file set up properly with my call sign and the  
> > configured (by jumper) port speed on the TNC. When I go and run:
> >
> > kissattach /dev/ttyUSB0 radio <my AMPR IP address>
> >
> > it works. That is, the 'ax0' device shows up in ifconfig, it's  
> > listed in 'route', and I can even make connections over it with  
> > axcall and read packets in axlisten.
> >
> > That's all fine and dandy, but it stops working very quickly -  
> > always within 10 minutes, usually within 5. I'll be playing around  
> > with something and get a "Network is down" error, after which the  
> > ax0 port has vanished and any ax25 application I try to run will say:
> >
> > axconfig: port radio not active  <radio being the name in axports>
> >
> > I dug through the kernel log and found this:
> >
> > mkiss: ax0: crc mode is auto.
> > ADDRCONF(NETDEV_CHANGE): ax0: link becomes ready
> > mkiss: ax0: Trying crc-smack
> > mkiss: ax0: Trying crc-flexnet
> > mkiss: ax0: crc mode is auto
> >
> > The duplicate is intentional. It seems to be set to auto at the  
> > initial connection (with kissattach), and again at the moment at  
> > which the connection stops working.
> >
> > Now, if I go and kill 'kissattach', I get to try again - and it  
> > works for another few minutes.
> >
> > Do I need mkiss for my single-port TNC? Seems like might just be  
> > getting in the way and guessing that my TNC is fancier than it is…
> >
> > I must say I'm utterly flummoxed. The TNC works fine in Windows,  
> > and Xastir with a direct serial KISS setup. And what's more, this  
> > is relatively new. I set this up originally and ran Xastir over the  
> > AX25 port for about 36 hours straight, with no problems, but it  
> > hasn't worked since. I even reinstalled the OS to no avail (needed  
> > to do it anyway).
> >
> > Anyone have any clever ideas? I'm out of places to look.
> >
> > Thanks,
> > -Robert KC2YWE--
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