https://bugs.kde.org/show_bug.cgi?id=441071
Bug ID: 441071
Summary: Panel display with mouse triggers "QXcbConnection: XCB
error"
Product: plasmashell
Version: 5.20.5
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: Panel
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: 1.0
SUMMARY
In my setup, the panel is at the bottom of the screen (as usual) and autohides.
Each time I show the panel (by moving the mouse cursor at the bottom of the
screen), errors are generated in .xsession-errors file :
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 55586, resource
id: 25175127, major code: 3 (GetWindowAttributes), minor code: 0
The sequence and resource id always change.
Please note:
- the "window" key of my keyboard acts as a shortcut to display the panel. If I
use that shortcut, then no error is produced !
- when I bring the mouse cursor close the panel, a blue line (visual hint) is
displayed. The error doesn't occur at that moment. It occurs when the cursor
actually triggers the display of the panel.
STEPS TO REPRODUCE
1. Let the panel hide itself
2. Display the panel by moving the mouse cursor on it
3.
OBSERVED RESULT
Panel displayed. Errors produced.
EXPECTED RESULT
Panel displayed. Errors produced.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Debian Bullseye (stable); Nvidia gpu.
(available in About System)
KDE Plasma Version: 5.20.5
KDE Frameworks Version: 5.78
Qt Version: 5.15.2
ADDITIONAL INFORMATION
I've read the other bug reports suggested by the bug tracker (337690, 390403).
They seem to correspond. However, if Wt warns of an issue, then that issue my
be caught before it happens ?
I've also checked the Qt documentation about a QXcbConnection class, but
nothing was to be found :-(
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