Sometimes Xapps loose keyboard events completely
Bug #1608895 reported by
nicobel
This bug report is a duplicate of:
Bug #1536279: Mir does not reset key states when paused or resumed (modifiers get stuck after VT switching).
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This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Canonical System Image |
New
|
Undecided
|
Unassigned | ||
| unity8-desktop-session (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
| xorg-server (Ubuntu) |
New
|
Undecided
|
Daniel van Vugt | ||
Bug Description
All Xmir apps I tried sometimes looses keyboard events, but mouse events keep working. It happens randomly and suddenly but I found one way to reproduce this:
1) Open any Xapp
2) When the app is loaded, foreground and focused, change tty
3) Come back to tty8
Result:
The foreground Xapp looses completely keyboard events, but mouse events still works. When this happens, you can recover keyboard events by pressing Ctrl and then Alt (Or first press Alt and then Ctrl) if the app is foreground and focused.
Revision history for this message
| Daniel van Vugt (vanvugt) wrote | #1 |
| tags: | added: xmir |
| tags: | added: unity8-desktop |
| Changed in xorg-server (Ubuntu): | |
| assignee: | nobody → Daniel van Vugt (vanvugt) |
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Oh, I see. This is an old bug and it's very annoying -- some of us are used to working around it by tapping Ctrl and Alt.
It's just a bug in that Mir doesn't know the modifier state after VT-switching. So regular key presses don't work till you tap those modifiers again. Duplicate of bug 1536279