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NL2ZTM > BPQ32 17.10.15 23:58l 197 Lines 7185 Bytes #999 (0) @ WW
BID : 1105_NL3ZTM
Read: GAST
Subj: Fwd: RE: [BPQ32] L3/L4 operation intermittently stuck
Path: DBO595<DBO763<DBX214<CB0ESN<FRB001<NL3ZZE<NL3ZTM
Sent: 151011/2020Z 1105@NL3ZTM.NL3ZTM.ZH.NLD.EU BPQ1.4.64
-------- Doorgestuurd bericht --------
Onderwerp: RE: [BPQ32] L3/L4 operation intermittently stuck
Datum: Sun, 11 Oct 2015 16:29:59 +0100
Van: 'John Wiseman' john.wiseman@cantab.net [BPQ32]
<BPQ32@yahoogroups.com>
Antwoord-naar: BPQ32@yahoogroups.com
Aan: BPQ32@yahoogroups.com
Tadd,
I think the R R output is the clue, but that is actually showing packets
queued at level 2 to go over the node-node connection. I assume the
nodes you have trouble connecting with are the ones showing queued
frames, and it would be useful to confirm if the count goes up each time
you try to make a connection.
This leaves the question of why is the L2 connection stuck. What does
the L command show?
73, John
------------------------------------------------------------------------
*From:*BPQ32@yahoogroups.com [mailto:BPQ32@yahoogroups.com]
*Sent:* 11 October 2015 02:15
*To:* bpq group
*Subject:* [BPQ32] L3/L4 operation intermittently stuck
I’m having some difficulty suddenly on one of my Raspberry PI/TNC-PI/
pilinbpq nodes. It gets into a mode where uplink/downlink traffic in
and out works great on all ports but circuit traffic from and to other
g8bpq nodes gets hung up and appears to be not working. It is actually
working but can be delayed by many minutes. You can see the stuck
packets in the R R response — see below. Perhaps L4 is waiting to
time-out and then will work again? I never see the packets go through
until they finally do several minutes later. This issue showed itself
after I RESET the Raspberry PI attempting to make the problem go away.
It came back within 11 hours of the reset, maybe sooner. It isn’t
consistent but once the issue starts, it never fully clears. Perhaps I
could have fixed it by killing pilinbpq and restarting it or some other
big manual something. I’m hoping somebody can point to this and tell me
where I was stupid.
I’m running pilinbpq 6.0.10.16 April 2015
Raspberry PI 2 quadcore
I have my cfg file and a copy of the Monitor traffic from BPQtermTCP and
also a Quicktime movie watching BPQtermTCP as the bug is demonstrated.
The *sysinfo* file has linux versions, CPU identification, uptime,
installed packages, usb devices, and other useful information.
The logs and whatnot are here:
http://torborg.com/nodeproblem/nb_bpq32.cfg
http://torborg.com/nodeproblem/nb_monitor_log.txt
http://torborg.com/nodeproblem/nb.mov
http://torborg.com/nodeproblem/nb_sysinfo.txt
As I’m typing this, this is just a few minutes after i closed the movie
and after I took the monitor log, I can get L4/L3 circuit connects to
NATHAN:km4dve-2 and JENRET:km4ifv-2, ports 4 and 2. But not to
FIN:nc4fg-2 or ERECH:km4ifu-2, ports 1 and 3. But I can get connects to
any of them by connecting to nodename dash number. Ok. after a couple
of minutes I finally got the connect acknowledge and info text from FIN
and ERECH. This has to have something to do with L4 timeout. That’s
the only thing I can think of that is set that long. L4TIMEOUT=180 in
the cfg. could that be the 26 resent? ok. I’m convinced that this
could be it. Why is this happening? Why those particular ports? We’re
on very quiet channels. Only 2 users per frequency. The bpq32.cfg for
the 4 ports is almost identical. Should be different only in the I2C
address #. The TNC-PI could be different versions but I don’t know how
to query those.
See STATs result below in this email.
Thanks for any input!
TADD:KA2DEW-2} Routes
> 1 NC4FG-2 200 5! 264 8 3% 0 0 00:57 *6 200 *
> 2 KM4DVE-2 200 5! 12 1 8% 0 0 00:58 0 199
> 3 KM4IFU-2 200 5! 136 7 5% 0 0 01:00 *7 189*
> 4 KM4IFV-2 200 1! 149 12 8% 0 0 00:58 0 200
stat
TADD:KA2DEW-2}
Uptime (Days Hours Mins) 00:11:21
Semaphore Get-Rel/Clashes 1 50303
Buffers:Max/Cur/Min/Out/Wait 828 820 803 0 0
Known Nodes/Max Nodes 10 200
L4 Connects Sent/Rxed 9 0
L4 Frames TX/RX/Resent/Reseq 353 767 26 0
L3 Frames Relayed 6
Port 01 Port 02 Port 03 Port 04 Port 32
L2 Frames Digied 0 0 0 0 0
L2 Frames Heard 1048 423 851 856 0
L2 Frames Rxed 907 272 701 708 233
L2 Frames Sent 1152 443 919 923 145
L2 Timeouts 88 12 61 25 0
REJ Frames Rxed 0 0 0 0 0
RX out of Seq 0 0 1 0 0
L2 Resequenced 0 0 0 0 0
Undrun/Poll T/o 0 0 0 0 0
RX Overruns 0 0 0 0 0
RX CRC Errors 0 0 0 0 0
FRMRs Sent 0 0 0 0 0
FRMRs Received 0 0 0 0 0
Frames abandoned 0 0 0 0 0
Link Active % 0 0 0 0 0 0 0 0 0 0
Thanks
*Tadd / KA2DEW*
*tadd@mac.com <mailto:tadd@mac.com>*
*Raleigh**NC** FM05pv*
*“Packet networking over ham radio":
http://tarpn.net/t/packet_radio_networking.html*
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------------------------------------------------------------------------
Posted by: "John Wiseman" <john.wiseman@cantab.net>
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