Stream 0: AX.25 Protocol Error E: DM received in state 4.

[wb2osz]

https://groups.io/g/direwolf/message/7010

Brian Blanchard
Oct 7 #7010  

I am using direwolf to connect to local packet nodes. I intermittently receive an error message "Stream 0: AX.25 Protocol Error E: DM received in state 4." which is followed by a disconnect from the node. I can always establish a connection. Once I enter any node command I get a disconnect. Any ideas what is going on?

I have tried adjusting audio levels, toggling the FIX_BITS on and off. If I make the connection with 'axcall' in the terminal I can hold the connection. The issue seems to occur with EasyTerm. I am wondering if I need to adjust 'kissparms' beyond the 'kissparms -c1 -p wl2k' command I am using?

Current setup is as follows...
2007 Apple iMac
Linux Mint 20.2 Uma
EasyTerm by UZ7HO-v0.49b (running on wine)
Direwolf v1.6
Icom IC705

Uncommented lines from direwolf.conf

ADEVICE plughw:1,0
CHANNEL 0
MYCALL KJ7RNY
MODEM 1200
PTT RIG 2 localhost:4532
AGWPORT 8000
KISSPORT 8001
FIX_BITS 1
IGTXLIMIT 6 10
TTPOINT B01 37^55.37N 81^7.86W
TTPOINT B7495088 42.605237 -71.34456
TTPOINT B934 42.605237 -71.34456
TTPOINT B901 42.661279 -71.364452
TTPOINT B902 42.660411 -71.364419
TTPOINT B903 42.659046 -71.364452
TTPOINT B904 42.657578 -71.364602
TTVECTOR B5bbbddd 37^55.37N 81^7.86W 0.01 mi
TTGRID Byyyxxx 37^50.00N 81^00.00W 37^59.99N 81^09.99W
TTUTM B6xxxyyy 19T 10 300000 4720000
TTCORRAL 37^55.50N 81^7.00W 0^0.02N
TTMACRO xx1yy B9xxAB166AA2B4C5B3B0A1yy
TTMACRO xx2yy B9xxAB170AA3C4C7C3B0A2yy
TTMACRO xxyyy B9xxAB180AA3A6C4A0Ayyy
TTMACRO z Cz

This is my direwolf session that shows the error message. I connect to 'WTPBBS', enter command 'LL 5', then get a disconnect.

bblanchard33@iMac:~$ direwolf -p
Dire Wolf version 1.6
Includes optional support for: gpsd hamlib cm108-ptt

Reading config file direwolf.conf
Audio device for both receive and transmit: plughw:1,0 (channel 0)
Channel 0: 1200 baud, AFSK 1200 & 2200 Hz, E+, 44100 sample rate.
Ready to accept AGW client application 0 on port 8000 ...
Ready to accept KISS TCP client application 0 on port 8001 ...
Virtual KISS TNC is available on /dev/pts/6
Created symlink /tmp/kisstnc -> /dev/pts/6

Attached to AGW client application 0...

Ready to accept AGW client application 1 on port 8000 ...
Attempting connect to WTPBBS ...
[0L] KJ7RNY>WTPBBS:(SABME cmd, p=1)

KJ7RNY audio level = 61(27/27) [NONE] |||||_|__
[0.2] KJ7RNY>WTPBBS:(SABME cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABME cmd, p=1)

KJ7RNY audio level = 62(27/28) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(SABME cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABME cmd, p=1)

KJ7RNY audio level = 62(26/27) [NONE] ||||||||_
[0.3] KJ7RNY>WTPBBS:(SABME cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABM cmd, p=1)

KJ7RNY audio level = 63(27/25) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(SABM cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABM cmd, p=1)

KJ7RNY audio level = 62(27/26) [NONE] |||||_|__
[0.2] KJ7RNY>WTPBBS:(SABM cmd, p=1)

W7MOT-6 audio level = 56(27/15) [SINGLE] _::
[0.4] W7MOT-6>BEACON:WTANKS W7MOT-5 White Tanks, AZ<0x0d>
Unknown APRS Data Type Indicator "W", HELO
[0L] KJ7RNY>WTPBBS:(SABM cmd, p=1)

KJ7RNY audio level = 64(29/26) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(SABM cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABM cmd, p=1)

KJ7RNY audio level = 63(28/26) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(SABM cmd, p=1)
[0L] KJ7RNY>WTPBBS:(SABM cmd, p=1)

KJ7RNY audio level = 61(27/26) [NONE] |||||_|__
[0.2] KJ7RNY>WTPBBS:(SABM cmd, p=1)

WTPBBS audio level = 62(27/15) [NONE] __|||||||
[0.5] WTPBBS>KJ7RNY:(UA res, f=1)
Stream 0: Connected to WTPBBS. (v2.0)

WTPBBS audio level = 57(26/15) [NONE] ___||
[0.5] WTPBBS>KJ7RNY:(I cmd, n(s)=0, n(r)=0, p=0, pid=0xf0)[KPC3P-8.3-HM$]<0x0d>40491 BYTES AVAILABLE<0x0d>THERE ARE 107 MESSAGES NUMBERED 40-697<0x0d>ENTER COMMAND: B,J,K,L,R,S, or Help ><0x0d>
[0L] KJ7RNY>WTPBBS:(DM res, f=1)
[0L] KJ7RNY>WTPBBS:(DM res, f=1)
[0L] KJ7RNY>WTPBBS:(RR res, n(r)=1, f=0)

KJ7RNY audio level = 63(28/27) [NONE] ||||||_
[0.3] KJ7RNY>WTPBBS:(DM res, f=1)

KJ7RNY audio level = 61(28/27) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(DM res, f=1)

KJ7RNY audio level = 61(26/24) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(RR res, n(r)=1, f=0)
[0L] KJ7RNY>WTPBBS:(I cmd, n(s)=0, n(r)=1, p=0, pid=0xf0)LL 5<0x0d>

KJ7RNY audio level = 61(25/27) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(I cmd, n(s)=0, n(r)=1, p=0, pid=0xf0)LL 5<0x0d>
[0L] KJ7RNY>WTPBBS:(RR cmd, n(r)=1, p=1)

KJ7RNY audio level = 63(28/26) [NONE] |||||||__
[0.3] KJ7RNY>WTPBBS:(RR cmd, n(r)=1, p=1)

WTPBBS audio level = 56(25/15) [NONE] __|||||||
[0.5] WTPBBS>KJ7RNY:(DM res, f=1)
Stream 0: AX.25 Protocol Error E: DM received in state 4.
Stream 0: Disconnected from WTPBBS.