https://bugs.kde.org/show_bug.cgi?id=524761
Bug ID: 524761
Summary: Application start delay
Classification: I don't know
Product: kde
Version First unspecified
Reported In:
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
STEPS TO REPRODUCE
1. Start KDE Plasma using an X11 session.
2. Open the KDE application launcher and click the System Settings icon.
3. Observe the delay before the System Settings window appears.
4. Close System Settings.
5. Open Konsole and run `systemsettings`.
6. Compare the startup time with the previous launch.
OBSERVED RESULT
When System Settings is launched by clicking its icon in the KDE application
launcher, there is a noticeable delay of approximately 3 seconds before the
window appears.
When the same application is launched from Konsole using `systemsettings`, the
window appears in approximately 0.5 seconds.
The same difference can also be observed with Dolphin.
This behavior is reproducible in a KDE Plasma X11 session.
EXPECTED RESULT
Applications launched by clicking their icons in the KDE application launcher
should start without an additional multi-second delay.
The startup time should be comparable to launching the same application from
the command line.
SOFTWARE/OS VERSIONS
Operating System: Debian 13.6
KDE Plasma Version: 6.3.6
KDE Frameworks Version: 6.13.10
Qt Version: 6.8.2
KWin Version: 6.3.6
Kernel: 6.12.101+deb13-amd64
Graphics Platform: X11
HARDWARE
CPU: AMD Ryzen 7 3800X
Memory: 32 GiB
GPU: NVIDIA GeForce GTX 1060 6GB; Nvidia driver : 550.163.01
ADDITIONAL INFORMATION
The issue does not occur in a Wayland session. Applications launched by
clicking their icons start normally without the observed delay.
Disabling KWin compositing with:
`kwriteconfig6 --file kwinrc --group Compositing --key Enabled false`
and then logging in again makes application startup somewhat faster, but does
not completely resolve the issue.
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