I installed K3b from snap but when starting it says “cannot find optical drive” and “K3b cannot find or load an MP3 decoding module. This means that you cannot create audio CDs from MP3 files. There are many Linux distributions that do not provide MP3 support for legal reasons.” SOLUTION: “To enable MP3 support, please install the MAD MP3 decoder library and the K3b MP3 decoder module (which may already be installed but does not work yet due to the missing libmad library). Some distributions allow you to install MP3 support via an online update.” The CD-Drive is mentioned in Drives with model and serialnumber, and vlc plays a videoDVD without problems. Does anybody know reason & solution ? especially for the drive problem?
ra@ra–T520:~$ k3b QSocketNotifier: Can only be used with threads started with QThread 20 20 QUrl(“file:///home/ra/snap/k3b/23/”) QUrl(“file:///home/ra/snap/k3b/23”) will be expanded. kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” kf.solid.backends.udisks2: Failed enumerating UDisks2 objects: “org.freedesktop.DBus.Error.AccessDenied” “An AppArmor policy prevents this sender from sending this message to this recipient; type="method_call", sender=":1.329" (uid=1000 pid=38109 comm="/snap/k3b/23/usr/bin/k3b" label="snap.k3b.k3b (enforce)") interface="org.freedesktop.DBus.Introspectable" member="Introspect" error name="(unset)" requested_reply="0" destination="org.freedesktop.UDisks2" (uid=0 pid=1711 comm="/usr/libexec/udisks2/udisksd" label="unconfined")” Devices:
(K3b::Core) System problems: CRITICAL PROBLEM: “Es wurde kein optisches Laufwerk gefunden.” DETAILS: “K3b kann kein optisches Laufwerk im System finden.” SOLUTION: “”
WARNING PROBLEM: “MP3-Audio-Dekodier-Modul nicht gefunden.” DETAILS: “K3b kann kein MP3-Dekodier-Modul finden oder laden. Das bedeutet, dass Sie keine Audio-CDs aus MP3-Dateien erstellen können. Es gibt viele Linux-Distributionen, die aus rechtliche Gründen keine Unterstützung für MP3 mitliefern.” SOLUTION: “Um die MP3-Unterstützung zu aktivieren, installieren Sie bitte die MAD-MP3-Dekodierer-Bibliothek und das MP3-Dekodierer-Modul von K3b (welches möglicherweise bereits installiert ist, aber wegen der fehlenden libmad-Bibliothek bislang nicht funktioniert). Bei einigen Distributionen können Sie die MP3-Unterstützung über ein Online-Update nachinstallieren.”
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