On my OP5T battery drain is quite bad with noble 24.04-1.x RC2. From some ps aux checks, looks like one process is running at over 100%, so consuming more than one core constantly:
/usr/libexec/mediascanner-2.0/mediascanner-extractor
This is almost 4 hours after the last reboot. I do have around 5100 photos, a bit over 330 videos and about 300 songs.
journalctl -b | grep mediascanner
Sep 28 17:53:49 ubuntu-phablet systemd[3461]: Starting mediascanner-2.0.service - Media Scanner...
Sep 28 17:53:50 ubuntu-phablet systemd[3461]: Started mediascanner-2.0.service - Media Scanner.
Sep 28 17:53:50 ubuntu-phablet dbus-daemon[3541]: [session uid=32011 pid=3541] Activating service name='com.lomiri.MediaScanner2.Extractor' requested by ':1.21' (uid=32011 pid=4306 comm="/usr/bin/mediascanner-service-2.0" label="/usr/bin/mediascanner-service-2.0 (enforce)")
Sep 28 17:53:53 ubuntu-phablet mediascanner-se[4306]: No reply from extractor daemon, retrying once.
Sep 28 17:53:53 ubuntu-phablet dbus-daemon[3541]: [session uid=32011 pid=3541] Activating service name='com.lomiri.MediaScanner2.Extractor' requested by ':1.21' (uid=32011 pid=4306 comm="/usr/bin/mediascanner-service-2.0" label="/usr/bin/mediascanner-service-2.0 (enforce)")
Sep 28 17:53:54 ubuntu-phablet mediascanner-se[4306]: Error extracting from '/home/phablet/Videos/camera.ubports/video20250617_195550573.mp4': ExtractMetadata D-Bus call failed: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying
Sep 28 17:53:54 ubuntu-phablet dbus-daemon[3541]: [session uid=32011 pid=3541] Activating service name='com.lomiri.MediaScanner2.Extractor' requested by ':1.21' (uid=32011 pid=4306 comm="/usr/bin/mediascanner-service-2.0" label="/usr/bin/mediascanner-service-2.0 (enforce)")
Sep 28 17:53:56 ubuntu-phablet mediascanner-se[4306]: No reply from extractor daemon, retrying once.
Sep 28 17:53:56 ubuntu-phablet dbus-daemon[3541]: [session uid=32011 pid=3541] Activating service name='com.lomiri.MediaScanner2.Extractor' requested by ':1.21' (uid=32011 pid=4306 comm="/usr/bin/mediascanner-service-2.0" label="/usr/bin/mediascanner-service-2.0 (enforce)")
Sep 28 17:53:59 ubuntu-phablet mediascanner-se[4306]: Error extracting from '/home/phablet/Videos/camera.ubports/video20250531_204017129.mp4': ExtractMetadata D-Bus call failed: GDBus.Error:com.lomiri.MediaScanner2.Error.Failed: Unable to discover file /home/phablet/Videos/camera.ubports/video20250531_204017129.mp4
Sep 28 17:54:26 ubuntu-phablet mediascanner-se[4306]: Error extracting from '/home/phablet/Videos/camera.ubports/video20230712_192905493.mp4': ExtractMetadata D-Bus call failed: Timeout was reached
Sep 28 17:54:51 ubuntu-phablet mediascanner-se[4306]: Error extracting from '/home/phablet/Videos/camera.ubports/video20240611_193555237.mp4': ExtractMetadata D-Bus call failed: Timeout was reached
and some more lines like the last ones.