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#1 2019-03-20 05:26:41

bhrgunatha
Member
Registered: 2009-12-16
Posts: 103

Keyboard input is not received by applications - e.g. terminal

Linux archlinux 5.0.0-arch1-1-ARCH #1 SMP PREEMPT Mon Mar 4 14:11:43 UTC 2019 x86_64 GNU/Linux.

I usually update about weekly so I'm a little out of date but this problem has been around for several months.   

From time to time (and I can't decipher any pattern) an application will not respond to or echo what I type at the keyboard.
Mostly I notice it in a terminal (xfce4-terminal but also guake) and SpaceFm file manager.

XFCE:  4.12 
xfwm4:  4.12.5-1 
libxfce4:  4.13
spacefm: 1.0.6-1

I've discovered over time a workaround is to open a new terminal tab and when I do that I see the keystrokes I've made already echoes there.
It's as if something is queuing up the keyboard input but the initial terminal pane isn't receiving/displaying it.

It won't even respond to CTRL-D which I usually use to close a terminal.
When a new tab is opened, that has already received the queued up keystrokes and they are displayed.
If I now press CRL-D the new tab closes and the original tab will respond to the keyboard again.
Sometimes it requires third tab.

In SpaceFM trying to create a new file or rename a file always displays the appropriate dialog box, but sometimes doesn't respons to keyboard input.

I have no idea what could be causing this nor how to diagnose the problem. 
I'm not even sure what information I can provide to help others track down the problem. 

Any ideas?

Last edited by bhrgunatha (2019-03-20 05:27:46)

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