SUMMARY Systemsettings complains about missing shared library, with different kcm files. The files are inside the plugins folder and everything works as intended STEPS TO REPRODUCE 1. Execute systemsettings via terminal 2. click into a setting 3. OBSERVED RESULT Terminal Log: QQmlEngine::setContextForObject(): Object already has a QQmlContext kf5.kactivity.stat: [Error at ResultSetPrivate::initQuery]: QSqlError("1", "Unable to execute statement", "no such column: rl.initiatingAgent") kf5.kactivity.stat: [Error at ResultSetPrivate::initQuery]: QSqlError("1", "Unable to execute statement", "no such column: rl.initiatingAgent") org.kde.kcoreaddons: Error loading plugin "kcm_desktoptheme" "The shared library was not found." Plugin search paths are ("/usr/lib64/qt5/plugins", "/usr/bin") The environment variable QT_PLUGIN_PATH might be not correctly set QQmlEngine::setContextForObject(): Object already has a QQmlContext SOFTWARE/OS VERSIONS Linux/KDE Plasma: Solus (available in About System) KDE Plasma Version: 5.17.4 KDE Frameworks Version: 5.64 Qt Version: 5.13.2 ADDITIONAL INFORMATION
> Error loading plugin "kcm_desktoptheme" "The shared library was not found." That means there's a problem with your installation. Please report this to the Solus folks.
I have to reopen this, I checked it with the devs from Solus and we checked it as well with kde neon unstable Edition (fully updated) and it throws the same error as well. SOFTWARE/OS VERSIONS Linux/KDE Plasma: KDE neon unstable Edition (available in About System) KDE Plasma Version: 5.17.80 KDE Frameworks Version: 5.66 Qt Version: 5.13.2 Strace from KDE neon stat("./kcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("./kcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("./libkcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("./libkcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/libkcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/libkcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/bin/kcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/bin/kcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/bin/libkcm_cursortheme", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) stat("/usr/bin/libkcm_cursortheme.so", 0x7ffeae4a6af0) = -1 ENOENT (No such file or directory) write(2, "org.kde.kcoreaddons: Error loadi"..., 243org.kde.kcoreaddons: Error loading plugin "kcm_cursortheme" "The shared library was not found." Plugin search paths are ("/usr/lib/x86_64-linux-gnu/qt5/plugins", "/usr/bin") The environment variable QT_PLUGIN_PATH might be not correctly set ) = 243 stat("./kcms/kcm_cursortheme", 0x7ffeae4a6b60) = -1 ENOENT (No such file or directory) stat("./kcms/kcm_cursortheme.so", 0x7ffeae4a6b60) = -1 ENOENT (No such file or directory) stat("./kcms/libkcm_cursortheme", 0x7ffeae4a6b60) = -1 ENOENT (No such file or directory) stat("./kcms/libkcm_cursortheme.so", 0x7ffeae4a6b60) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme", 0x7ffeae4a6b60) = -1 ENOENT (No such file or directory) stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 openat(AT_FDCWD, "/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", O_RDONLY|O_CLOEXEC) = 17 fstat(17, {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 fstat(17, {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 mmap(NULL, 251320, PROT_READ, MAP_SHARED, 17, 0) = 0x7f4a88049000 close(17) = 0 munmap(0x7f4a88049000, 251320) = 0 stat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 lstat("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib/x86_64-linux-gnu", {st_mode=S_IFDIR|0755, st_size=118784, ...}) = 0 lstat("/usr/lib/x86_64-linux-gnu/qt5", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib/x86_64-linux-gnu/qt5/plugins", {st_mode=S_IFDIR|0755, st_size=20480, ...}) = 0 lstat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 openat(AT_FDCWD, "/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", O_RDONLY|O_CLOEXEC) = 17 fstat(17, {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 fstat(17, {st_mode=S_IFREG|0644, st_size=251320, ...}) = 0 mmap(NULL, 251320, PROT_READ, MAP_SHARED, 17, 0) = 0x7f4a88049000 close(17) = 0 munmap(0x7f4a88049000, 251320) = 0 openat(AT_FDCWD, "/usr/lib/x86_64-linux-gnu/qt5/plugins/kcms/kcm_cursortheme.so", Strace output from my Solus system Strace: ## Search for KCM statx(AT_FDCWD, "./kcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./libkcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./libkcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/kcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/libkcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/libkcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/bin/kcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/bin/kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/bin/libkcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/bin/libkcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) org.kde.kcoreaddons: Error loading plugin "kcm_cursortheme" "The shared library was not found." Plugin search paths are ("/usr/lib64/qt5/plugins", "/usr/bin") The environment variable QT_PLUGIN_PATH might be not correctly set ## Now it's 'not found' search for KCM adding kcms/ to path and work as expected statx(AT_FDCWD, "./kcms/kcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./kcms/kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./kcms/libkcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "./kcms/libkcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme", AT_STATX_SYNC_AS_STAT, STATX_ALL, 0x7ffc92db4f20) = -1 ENOENT (No such file or directory) statx(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 openat(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so", O_RDONLY|O_CLOEXEC) = 17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so> statx(17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so>, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 statx(17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so>, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 statx(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so", AT_STATX_SYNC_AS_STAT, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 lstat("/usr", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib64", {st_mode=S_IFDIR|0755, st_size=172032, ...}) = 0 lstat("/usr/lib64/qt5", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib64/qt5/plugins", {st_mode=S_IFDIR|0755, st_size=20480, ...}) = 0 lstat("/usr/lib64/qt5/plugins/kcms", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0 lstat("/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so", {st_mode=S_IFREG|0755, st_size=215168, ...}) = 0 openat(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so", O_RDONLY|O_CLOEXEC) = 17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so> statx(17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so>, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 statx(17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so>, "", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_ALL, {stx_mask=STATX_ALL, stx_attributes=0, stx_mode=S_IFREG|0755, stx_size=215168, ...}) = 0 openat(AT_FDCWD, "/usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so.avx2", O_RDONLY|O_CLOEXEC) = 17</usr/lib64/qt5/plugins/kcms/kcm_cursortheme.so.avx2>
To be clear, you're saying it has a warning line but everything works correctly?
(In reply to David Edmundson from comment #3) > To be clear, you're saying it has a warning line but everything works > correctly? yes, it checks for the plugin inside the /usr/lib/qt/plugins path, triggers the warning but checks right after the warning inside the /usr/lib/qt/plugins/kcms path finds it and continues it. one of the annoying part is, it fills as well as my journalctl log with errors
This search paths issue was fixed a release or two ago.