[Elecraft] Fwd: Re: LP Bridge crashes with K3

[George Kidder]

Larry and all,

I have now tried adjusting the buffer settings.  Originally, they were 
set full "right" (High, 14 for receive, High 16 for transmit)  I moved 
the sliders to about 3/4 of full scale - still got a LPB crash in about 
7 hours, while running NaP3 and FLDigi through LPB.  I next tried the 
"correct connection problems" setting, full left (1) on each.  This time 
it ran more than 3 but less than 20 hours (overnight run) and while LPB 
did not crash, NaP3 did, which requires complete computer reboot. So it 
is not clear that the buffer settings are doing anything except to slow 
down the reaction of FLDigi to frequency changes - takes about 5 seconds 
now.

So again I am at the end of my short rope!  Maybe I should shut down the 
system EVERY night.  That seems to cure it.

George


-------- Forwarded Message --------
Subject: 	Re: [Elecraft] LP Bridge crashes with K3
Date: 	Sun, 04 Dec 2016 18:43:53 -0500
From: 	George Kidder <gkidder at ilstu.edu>
Reply-To: 	gkidder at ilstu.edu
To: 	elecraft at mailman.qth.net



No I have not, Larry.  What settings do you recommend for starters?

George


On 12/4/2016 11:02 AM, Larry Phipps wrote:
> Have you tried adjusting the buffer settings in Device Mgr for your
> serial port?
>
> Larry N8LP
>
> Date: Sat, 3 Dec 2016 09:33:33 -0500
> From: George Kidder<gkidder at ilstu.edu>
> To: 'Elecraft Reflector'<elecraft at mailman.qth.net>
> Subject: [Elecraft] LP Bridge crashes with K3
> Message-ID:<a6a9a38b-ed36-ec28-ae6f-e60d63ad2300 at ilstu.edu>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> OK, gang!  I've tried everything I can think of, and am now looking for
> some additional thoughts.
>
> Equipment: K3 (unmodified) with firmware 5.53, computer (2.99 GHz dual
> core, 4 GB memory) running Win 7, LP-Bridge (LPB) set for 200 mS delay.
> The computer is not connected to the internet, and all programs are
> brought in from another computer using a flash drive.
>
> Problem:  At random but long intervals (hours) LP-Bridge crashes,
> displaying error 13 (type mismatch).  Clearing this window causes
> program to close.  This behavior is seen with no external programs
> connected to LPB, and with LPB set to any polling rate from 200 mS
> (default) to as much as 1000 mS.  It is seen when LPB2 is used and the
> baud rate is reduced to 4800.  When the crash occurs, the error seems to
> be in a response from the K3 - for instance, the "Rig Received Text"
> window shows "IS 0|00;" while it should show "IS 0600;".  In this case
> the K3 was set to CW mode.  In LSB mode, the same window shows "CW 6+;"
> where I presume it should have been "CW 60;".  This damaged text shows
> up in all windows (Rig received, K3 Com port, Power SCR-IF Aux CAT port,
> etc.)
>
> Attempted resolution includes reloading the K3 firmware and reloading
> LPB from the website after clearing out all remnants of the old
> program.  Nothing helps - LPB still crashes when allowed to run for
> several hours.  Other programs not affected.  Computer is on a UPS, so
> momentary power outage would not be a cause (even if there should be one
> every night!)
>
> Clearly, there is a communication failure between the K3 and LPB, since
> it occurs with nothing else connected.  Is the problem with the K3, LBP
> or the Win 7 operating system which sits between them?  And what more
> can I try to fix it?
>
> Your thoughts will be greatly appreciated.
>
> George, W3HBM
>
>
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