On 21/06/2020 16:10, Al wrote:
( WSJT-X 2.2.1, Win 10 )
From time to time, usually while monitoring 6m over night, I get a a
Decode lockup. The Decode button is ON continuously, wide graph is
still running, wav files still being saved and no decodes are
displayed in the band activity window. Seems more frequent with 2.2.1
than 2.1.2.
Stopping and restarting WSJT will clear the issue. Replaying .wav
files for the time when the lock up occurred does not induce a lockup.
When the lock up occurs, an 'Erase Band activity' will result in a
brief pause in the highlight button being ON ( i.e. at about 12
seconds into the cycle, the button toggles off for about 1 second, and
then back on until the next 12 second epoch. )
If I issue a ALT-Z at the beginning of a cycle, the decode indicator
goes off until the next 12 sec epoch and then stays on. If I pause
decodes by turning off the monitor, issue a ALT-Z and playback a .wav
file, the decode indicator comes on immediately and stays on. ( Even
with .wav files that playback correctly after WSJT has been restarted. )
Once locked up, changing the decode depth has no effect on recovery
attempts.
If you have addition debugging trials.....
AL, K0VM
Hi Al,
if you can provide a .WAV file or minimal sequence of .WAV files that
can reproduce this issue when playing them back in WSJT-X, then please
provide them.
The FT8 decoder can be "unfrozen" by hitting the Alt+Z key when this as
yet undiagnosed issue occurs. See "Menu->Help->Shortcut keys" for a
reminder.
73
Bill
G4WJS.
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