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KDE/Troubleshooting

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이 글은 KDE 사용자 시스템의 문제 해결을 돕는 다양한 섹션으로 구성했습니다.

프로그램 데이터베이스 재구성

KMenu에 어떤 프로그램이나 전체 프로그램 목록이 빠졌다면 KDE 프로그램 데이터베이스를 다시 구성해야 할 지도 모릅니다. 아이콘이 빠진 문제와 같은 KMenu 관련 문제를 수정하려면 이 방법으로도 처리됩니다.

user $kbuildsycoca4 --noincremental

Akonadi에서 MySQL 설정이 잘못됐다고 징징댐

/usr/share/config/usr/share/kde4의 권한 점검부터 시작하십시오. 700으로 되어 있으면, 재귀적으로 755로 바꾸십시오.

root #chmod -R 755 /usr/share/config
root #chmod -R 755 /usr/share/kde4

오류를 해결하지 못했다면, akonadi 설정을 열고 MySQL 기본 설정으로 바꾸십시오. 시스템 표시줄 아이콘이 동작하지 않으면 akonaditray를 시작하고, "Akonadi 서버 설정"을 선택한 후, "내부 MySQL 서버 사용"을 활성화하고 시험 단추를 누르십시오. MySQL 서버를 사용하고 자체 실행 프로그램을 사용하지 않으려면 MySQL이 동작중인지 확인하십시오.

Unable to mount devices using KDE Plasma Device Notifier

If the error message "You are not authorized to mount this device." is being displayed when trying to mount devices by clicking on them in the KDE Plasma Device Notifier (USB-stick-like icon in the system tray), add the following file to the configuration:

파일 /etc/polkit-1/rules.d/10-udisks.rules
polkit.addRule(function(action, subject) {
	if (action.id.indexOf("org.freedesktop.udisks2.filesystem-mount") == 0 && subject.isInGroup("plugdev")) {
		return polkit.Result.YES;
	}
});

This will allow all users who are members of the plugdev group to mount devices using the Device Notifier.

Use the following command to add users to this group:

root #gpasswd -a <username> plugdev
참고
A reboot may be required for the changes to take effect.

Black screen after login

Make sure ~/.bash_profile does not have any interactive components like keychain. Check ~/.xsession-errors for the prompt for input.

Screen Tearing/Flicker when using Radeon graphics drivers

If there is severe flickering or "tearing" when using Radeon based graphics cards, it may be necessary to change the Compositor sync settings to something other than the default "Automatic":

코드 Modifying Compositor sync settings
System Settings --> Display Monitor --> Compositor --> VSync

Delayed response of KMenu, krunner etc.

Remove gles2 USE flag and rebuild affected packages, most importantly the (installed) packages from the dev-qt category, as well as kde-frameworks/plasma and kde-plasma/kwin.

Missing shutdown/reboot/suspend/hibernate buttons (with consolekit)

Make sure that kde-plasma/powerdevil and sys-power/upower are installed. Also check that the user is in the users group.

If x11-misc/sddm is used, run the following command and make sure it matches the output including nox11:

user $grep pam_ck_connector /etc/pam.d/system-login
session         optional        pam_ck_connector.so nox11

Another option is to create the following polkit rule for suspend (as per this comment from the KDE bugzilla):

파일 /etc/polkit-1/rules.d/10-suspend.rules
polkit.addRule(function(action, subject) {
    if (action.id == "org.freedesktop.upower.suspend") {
        return polkit.Result.YES;
    }
});

Also ensure dbus is added to the default runlevel so that it is started before logging in with sddm:

root #rc-update add dbus default

If all else fails, try x11-misc/lightdm instead.

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