https://bugs.kde.org/show_bug.cgi?id=407216
Bug ID: 407216
Summary: Plasmashell crashes when screenshot taken in Spectacle
of active window larger than 1 monitor
Product: plasmashell
Version: 5.12.7
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Desktop Containment
Assignee: se...@kde.org
Reporter: dan...@protonmail.com
CC: plasma-b...@kde.org
Target Milestone: 1.0
SUMMARY
Plasmashell crashes when a screenshot is taken in Spectacle when Spectacle is
set to take a screenshot of the active window and that window is larger than 1
monitor on a multi-monitor NVidia proprietary-driver Ubuntu 18.04 + KDE system.
https://bugs.kde.org/show_bug.cgi?id=406339 is similar but not the same (they
report their bug in Neon Packages and not Ubuntu, also they have a different
method of taking the screenshots).
STEPS TO REPRODUCE
1. Stretch a Mozilla Firefox window across two screens (one above the other),
leaving it as the active window.
2. Press Print Screen to bring up Spectacle.
3. Set Spectacle to take a screenshot of the active window.
4. Left click on the active window with your mouse.
OBSERVED RESULT
Plasmashell crashes, such that window borders are gone and windows do not
become active by being clicked on. Windows can also no longer be moved around,
maximised, minimised or restored. Music continues to play if it is on at the
time, but one cannot access any window which was in the background or minimised
or on a different workspace. Using kquitapp5 plasmashell && kstart5 plasmashell
produces a new instance of plasmashell except all the previous windows are
listed on the taskbar but refuse to restore or maximise, they are therefore
still inaccessible. A reboot is the only way to get them back.
EXPECTED RESULT
A screenshot would be taken of the active window and Plasmashell would continue
operating as normal.
SOFTWARE/OS VERSIONS
Windows: N/A
macOS: N/A
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version: 5.12.7
KDE Frameworks Version: 5.44.0
Qt Version: 5.9.5
ADDITIONAL INFORMATION
Tried upgrading the Linux kernel from 4.20 to 5.0.12, same problem.
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