[BRLTTY] BRLTTY with keytable enabled sometimes locks keys

[Dave Mielke]

I've finally managed to reproduce your shift lock on brltty restart problem. 
While I haven't yet figured out what to do about it, I can at least tell you 
how to avoid it.

The problem occurs if you happen to be holding down the shift key when brltty 
starts. More specifically, it happens if you're holding down the shfit key 
when, shortly after brltty starts, it begins to monitor the keyboard. The same 
is true, by the way, if you're holding down some other modifier (like the 
control key) at that moment. So, to avoid the problem, ensure that you aren't 
doing any typing until brltty has started. It's just a guess, but it could be, 
for example, due to your two-second sleep between the kill and the restart, 
that you were already typing ahead to save some time.

It looks like resolving this problem may turn out to be somewhat tricky. I'm 
saying this because brltty is indeed sending the shift key release event to the 
Linux kernel, but that doesn't seem to be doing anything. In spite of the fact 
that the shift key release event has been sent to it, Linux still "thinks" that 
the shift key is pressed.

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Dave Mielke           | 2213 Fox Crescent | The Bible is the very Word of God.
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