[arm-allstar] Kerchunk - OS Sound

Fri Feb 10 16:24:27 EST 2017

OK now I understand what you re doing.

This is for everyone! You should *NEVER* disconnect a radio from a FOB or
turn off the radio when you are in a connected state. Turning off a radio
or disconnecting a radio from an active FOB will but the COS in an
unpredictable state. It usually stays high as there is a weak pullup in the
FOB BUT there is no guarantee and if you are using COS logic active high
(carrier from=usb) disconnecting it from a radio or turning off the radio
will most definitely hang the channel.

So bottom line *NEVER* turn off or disconnect a radio connected to a FOB if
you are connected somewhere. It will hang up the channel. V1.5 has a 5
minute COS timeout (settable) but it will still hang for that amount of
time.

The proper way to disengage the radio is to remove the USB connection to
the FOB. USB can be hot plugged. You do not need to turn off the power.
Just pull it out and there will be no problem. If you want to return to
operation just plug it back in. The FOB will reset and away you go.

*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Fri, Feb 10, 2017 at 1:25 PM, "James Hatmaker via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Doug,
> To answer your question, I am viewing the Kerchunk count in asterisk's
> itself using the "rpt stats $NODEID" command.
> one of the lines:
>
> Kerchunks today..................................: 0
>
> The counter resets each night at midnight.
>
> When testing, I can disconnect/power off the radio, and connect the allstar
> node (call it node A)  to one of our other nodes (call it node B), and we
> will hear a kerchunk on the node B (and any other Allstar nodes that are
> linked.
> This will show up in the "rpt stats $NODEID" on node A in the Kerchunks
> today.  On all the other nodes it does not show up as a kerchunk but just a
> valid "KeyUp"
>
> I can  reliably re-produce by running dmesg on the Raspberry Pi node A.
> So, basically after running "dmesg" on the command line of the Pi for node
> A
> we would see:
> Kerchunks today..................................: 1
>
>
>
> On the connected/distant allstar node (node B), we would here a
> kerchunk/keyup the stats would have something
> Identifier state.................................: CLEAN
> Kerchunks today..................................: 0
> Kerchunks since system initialization............: 0
> Keyups today.....................................: 0
> Keyups since system initialization...............: 367
>
> The Kerchunk count on node B will still be 0 (where it was incremented on
> node A).
> A valid Keyup would have been detected on node B.
>
> The fact that I can reproduce this with the radio on node A powered off and
> by running a command on the system was what was leading me down the path
> that maybe there was a system sound that was being detected by the USB
> sound device.  (and not from RF being received by the radio).
>
> Of course this may just be a rabbit hole that could just easily be "fixed"
> by rebuilding with the new version.  However, it is in my nature to figure
> out the root cause. I have specifically kept this node around because I
> wanted to figure out what was causing the anomaly.
>
> 73
>
> James
> KC7LHV
>
>
>
> On Thu, Feb 9, 2017 at 11:49 PM, "Doug Crompton via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > When you say "kerchunks today increased by 1"  What do you mean? Are you
> > there to know if this is caused by someone or some noise really opening
> > your radios squelch? Even PL can be falsed with noise occasionally. Turn
> up
> > the volume on your node radio so you can hear anything coming in. I doubt
> > very much it has anything to do with the code but it could be an
> > interference issue of some kind. I don't think it will change anything
> but
> > it would be a good idea to updrade to V1.5.
> >
> >
> >
> >
> > *73 Doug*
> >
> > *WA3DSP*
> >
> > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
> >
> > On Fri, Feb 10, 2017 at 1:24 AM, "James Hatmaker via arm-allstar" <
> > arm-allstar at hamvoip.org> wrote:
> >
> > > Doug,
> > >
> > > Thank you for the reply.  I currently am running with CTCSS (or tone
> > > enc/dec depending on the radio) 100.0Hz.  When I was running on an
> > desktop
> > > I did not have this, and only appeared when I switch to a raspberry
> Pi3.
> > > In trying to troubleshoot, I have switched the radio which is
> currently a
> > > Yaesu VX3.  I have switch the frequency/band between 2m/70cm and the
> > > problem still persists.  I am using an ARS AllStar Adapter (which is
> the
> > > same from the initial Asterisk setup).
> > > I have tried moving the Pi between wired/wireless (currently running
> > > wireless).  I have added a ferrite snap-on on the cable going from the
> > > radio to the USB dongle just to see if that would help.  During my
> > testing
> > > I had tried  setting the rxondelay=25.
> > > as a last resort I powered off the radio completely and ran the same
> > test.
> > >
> > > running rpt stats
> > > then dmesg
> > > then rpt stats again.
> > > (with the radio off)
> > > and the Kerchunks today increased by 1.
> > >
> > > I know this isnt the image you just released, so I might just rebuild
> the
> > > pi.  I am sure I must have inadvertently did something to the pi.
> > >
> > >
> > > Thanks!
> > >
> > > James
> > >
> > >
> > >
> > >
> > > On Thu, Feb 9, 2017 at 10:19 PM, "Doug Crompton via arm-allstar" <
> > > arm-allstar at hamvoip.org> wrote:
> > >
> > > > James,
> > > >
> > > > "kerchunks" are from RF keyups into your node radio. It is possible
> > your
> > > > COS line is getting noise pulses from the radio. If this is the case
> > you
> > > > would also here it on the output of your node radio unless it is very
> > > short
> > > > duration. There are no system sounds - assuming you are using a BBB
> or
> > > Pi.
> > > >
> > > > You should always be using RX PL or DCS on the node radio not just
> > noise
> > > > squelch. If you are using the V1.5 code you could add some COS delay
> in
> > > the
> > > > simpleusb menu - rxondelay item M.  This would delay the COS signal
> > very
> > > > slightly and very short spikes would not register as a COS keyup.
> This
> > > > should normally not be necessary though. You really need to solve the
> > > > problem from the receiver first if it exists.
> > > >
> > > >
> > > >
> > > > *73 Doug*
> > > >
> > > > *WA3DSP*
> > > >
> > > > *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio
> >*
> > > >
> > > > On Thu, Feb 9, 2017 at 9:35 PM, "James Hatmaker via arm-allstar" <
> > > > arm-allstar at hamvoip.org> wrote:
> > > >
> > > > > Hi All -
> > > > >
> > > > > I am seeing a high number of kerchunks when I run a rpt status on
> the
> > > > node.
> > > > > It seems that I can reproduce it just by running dmesg on the cmd
> > line.
> > > > > Did I some how turn on system sounds?  and how can I turn them off
> if
> > > > that
> > > > > is the case.
> > > > >
> > > > > Thanks -
> > > > >
> > > > > James
> > > > > _______________________________________________
> > > > >
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> > > > > arm-allstar at hamvoip.org
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> > > > >
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> > > > >
> > > > >
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> > > >
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> > > >
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> > > >
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> > >
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> > >
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> > >
> > >
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> >
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