Re: MFJ 1270B(TNC-2) And Linux 2.4.18 kiss

From: Gérard Parat / F6FGZ (fzjwpe@schwenk.de)
Date: Sun Dec 21 2003 - 18:20:31 EET

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    Bernard Pidoux F6BVP a écrit :

    > Jeremiah KD7DMP wrote:
    >
    > > Hello all,
    > >
    > > I have a little prob, I have been try to get my MFJ TNC-2 to talk to my
    > > Slackware(2.4.18 kernel) box in kiss mode for a while. The prob is that I
    > > can not getting it to transmit, After doing kissattach I can recive
    > > traffic by using listen, but when I go to transmit using call I get
    > > nothing. I know that TNC works becuase i had it all working and humming a
    > > long before, but I don't rember How I got it to work.
    > >
    > > Any ideas..?
    > >
    > > thanks and 73
    > > de
    > > Jeremiah
    > > KD7DMP
    >
    > It could be a problem of ax port.
    > Be sure to call via axport name defined into axports file first parameter.
    >
    > However, for your information, on two PC of different generation boards
    > (Pentium II CPUs) I have been using successfully for years two 2 ports
    > KPC9612 in kiss mode with kernel 2.2. But I have never been able to run
    > AX25 correctly with any 2.4 kernels. I always experienced interrupts
    > problems and kernel oops and finally Linux halted. And one of the
    > symptoms was that Call did not work !

    Hello,

    Successfully using KPC9612 and kernel 2.4.18 but *WITHOUT* fpac which hanged
    the system. Otherwise, 2.4.18 runs well with lot of annoying messages into
    syslog and message of that kind:
    Dec 21 17:12:45 f6fgz kernel: NET: 5 messages suppressed
    The cause is due to listen. Don't use it and you will be happy.
    My config:
    CONFIG_HAMRADIO=y
    CONFIG_AX25=m
    CONFIG_NETROM=m
    CONFIG_ROSE=m (not used)
    CONFIG_MKISS=m

    My script:
    /usr/sbin/mkiss -s 19200 -l /dev/ttyS1 /dev/ptyp1 /dev/ptyp2
    /usr/sbin/mkiss -s 19200 -l /dev/ttyS0 /dev/ptyp3 /dev/ptyp4
    /usr/sbin/kissattach -m 256 /dev/ttyp1 vhf f6fgz
    /usr/sbin/kissattach -m 256 /dev/ttyp2 uhf1 f6fgz
    /usr/sbin/kissattach -m 256 /dev/ttyp3 uhf2 f6fgz
    /usr/sbin/kissattach -m 256 /dev/ttyp4 uhf3 f6fgz

    /etc/ax25/axports:
    vhf F6FGZ-4 19200 255 2
    uhf1 F6FGZ-3 19200 255 7
    uhf2 F6FGZ-5 19200 255 4
    uhf3 F6FGZ-6 19200 255 7

    And I use Xnet v1.36 along with a local WLAN. 

    --
73 Gérard F6FGZ

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