On 30/11/2015 21:32, Michael Hartje wrote:
> The wsjtx shows in the command line start console:
>> >QIODevice::write: device not open
>> >Got a buffer underflow!
>> >Got a buffer underflow!
> rigctl -m 2 -L shows some more available features, which could reduce
> the problem:
>> >write_delay: "Delay in ms between each byte sent out"
>> >         Default: 0, Value: 0
>> >         Range: 0.0..1000.0, step 1.0
>> >post_write_delay: "Delay in ms between each command sent out"
>> >         Default: 0, Value: 0
>> >         Range: 0.0..1000.0, step 1.0
>> >timeout: "Timeout in ms"
>> >         Default: 0, Value: 2000
>> >         Range: 0.0..10000.0, step 1.0
>> >retry: "Max number of retry"
>> >         Default: 0, Value: 3
>> >         Range: 0.0..10.0, step 1.0
Hi Michael,

none of the above have any relevance to rig control in your setup. When 
using the Hamlib NET rigctl driver the command I/O from WSJT-X is small 
and all the work is done at the other end. I assume quisk has an 
emulation of the Hamlib rigcrtld daemon built in. It is possible that 
quisk is not assigning enough CPU resource to servicing the TCP/IP 
traffic. An easy fix would be to reduce the polling interval in WSJT-X. 
Try a long interval like 99s at first to see what happens.

WSJT-X does several retries to re-establish rig control after errors, if 
it is getting as far as an error message then the situation is very poor.

73
Bill
G4WJS.

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