https://bugs.kde.org/show_bug.cgi?id=408317
Bug ID: 408317
Summary: login screen bug should update number of active
monitors before greeting
Product: kwin
Version: 5.15.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: t...@growthpath.com.au
Target Milestone: ---
SUMMARY
Laptop with two external monitors. If laptop lid is closed, laptop display is
not active. System suspends. System is resumed by opening the laptop lid. The
greeter is displayed, but it gets the screen configuration wrong. Login on the
laptop display is fine, but instead of the a login display being shown on the
other two screens one each, there is one login screen shared by both external
monitors, with the password entry dialog split.
The laptop is a full HD display. One external monitor is 4K (in native
resolution, not scaled) and the second is 1920x1200
After logging in, the display configuration is refreshed and there are no
problems.
STEPS TO REPRODUCE
1. Close laptop lid, so that only the two external displays are used.
2. Allow the system to suspend
3. Resume by opening the laptop display
OBSERVED RESULT
Instead of each of the three screens getting a perfectly sized login screen,
the two external monitors share a badly sized login screen split across both.
EXPECTED RESULT
The display configuration should be refreshed before showing the login screens.
Then, each of the three monitors would get a well-formed login screen.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
Operating System: KDE neon 5.15
KDE Plasma Version: 5.15.5
KDE Frameworks Version: 5.58.0
Qt Version: 5.12.0
Kernel Version: 5.0.0-16-generic
OS Type: 64-bit
Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz
Memory: 31.2 GiB of RAM
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