https://bugs.kde.org/show_bug.cgi?id=377379
Bug ID: 377379
Summary: konsole stops responding to keyboard on Linux
Product: konsole
Version: unspecified
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: critical
Priority: NOR
Component: keyboard
Assignee: konsole-de...@kde.org
Reporter: rjvber...@gmail.com
Target Milestone: ---
Ever since I moved my install from an old netbook to a new Braswell notebook I
have been seeing occasions where Konsole stops responding to the keyboard.
This happens with Konsole4 but more often with Konsole5 (possibly because I use
that version predominantly). I have not been able to determine what triggers
the issue but it appears to have something to do with either rapid terminal
output or else rapid keyboard input. The latest episode occurred when I was
holding a cursor key down to scroll through the command history.
When the issue triggers, it affects either a single tab or else all tabs
belonging to a given Konsole session. In the former case I can usually clone
the affected tab and only use its shell history, in the latter case I have to
restart Konsole entirely.
This is with Ubuntu 14.04.5 LTS with the "Xenial" enablement stack (= same Xorg
as 16.04) and kernel 4.9.7 so all related drivers should be up-to-date.
I see I'm not the only one suffering from this (esp. #160329). Next time I'll
try changing or restarting the window manager but I already have some more
observations that may help pinpointing the cause:
- if the entire Konsole session is affected keyboard input is dysfunctional in
dialogs too
- changing the keyboard layout doesn't help (neither in Konsole nor for the
entire desktop)
- copy/paste continue to work (which has sometimes allowed me to exit vi
gracefully)
The latter observation suggests an issue with state management in the keyboard
event handling where Konsole inappropriately gets stuck in a mode where it
discards all keystrokes (yes, that includes Ctrl-C, Ctrl-S Ctrl-Q etc.)
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