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升级到 19.04 后 KDE 出现故障：org.kde.solid.udisks2：获取 props 时出错

tag-icon • tag-icon kubuntu kde 19.04 dbus qdbus
升级到 19.04 后 KDE 出现故障：org.kde.solid.udisks2：获取 props 时出错

升级到 19.04 后 KDE 无法启动，只是空白屏幕冻结。从 lxde 启动 KDevelop 时，它也会冻结，并在终端中缓慢显示以下内容：

org.kde.solid.udisks2: Error getting props: "org.freedesktop.DBus.Error.NoReply" "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
org.kde.solid.udisks2: Error getting props: "org.freedesktop.DBus.Error.NoReply" "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
org.kde.solid.udisks2: Error getting props: "org.freedesktop.DBus.Error.NoReply" "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
...

值得一提的是，SDDM 也坏了：它只是冻结而没有进入图形模式。但是 LXDM 可以启动。

大约 10 分钟后，它终于启动了：

org.kde.solid.udisks2: Error getting props: "org.freedesktop.DBus.Error.NoReply" "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kf5/klauncher'
kdeinit5: Launched KLauncher, pid = 29609, result = 0
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kdeinit5: opened connection to :0.0
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/man.so' from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/man.so'
log_kio_man: STARTING
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so' from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so'
log_kio_man: QUrl("man://")
kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so' from launcher.
kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/file.so'
log_kio_man: After if
log_kio_man: After if
log_kio_man: After if
...

答案1

将 Plasma 升级到 5.16 后问题解决：

http://ubuntuhandbook.org/index.php/2019/06/install-kde-plasma-desktop-5-16-kubuntu-19-04/

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