● wireplumber.service - Multimedia Service Session Manager
Loaded: loaded (/usr/lib/systemd/user/wireplumber.service; enabled;
preset: enabled)
Active: active (running) since Wed 2026-03-11 14:25:14 CET; 2min 5s ago
Invocation: be586aee6b0f4fbc85a7480b12480d00
Main PID: 3049 (wireplumber)
Tasks: 9 (limit: 14942)
Memory: 7.6M (peak: 8.4M)
CPU: 417ms
CGroup:
/user.slice/user-1000.slice/[email protected]/session.slice/wireplumber.service
└─3049 /usr/bin/wireplumber
Mar 11 14:25:14 jas-ThinkPad-T460s systemd[3019]: Started wireplumber.service -
Multimedia Service Session Manager.
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.914548661]
[3049] WARN IPAManager ipa_manager.cpp:148 No IPA found in
'/usr/lib/x86_64-linux-gnu/libcamera'
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.914586549]
[3049] INFO Camera camera_manager.cpp:326 libcamera v0.5.0
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.919520835]
[3154] ERROR MediaDevice media_device.cpp:484 /dev/media0[]: Failed to open
media device at /dev/media0: Permission denied
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.919552359]
[3154] INFO DeviceEnumerator device_enumerator.cpp:232 Unable to populate
media device /dev/media0 (Permission denied), skipping
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.920207960]
[3154] WARN DeviceEnumerator device_enumerator_udev.cpp:174 Failed to add
device for '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/media0',
skipping
Mar 11 14:25:14 jas-ThinkPad-T460s wireplumber[3049]: [0:00:38.920708322]
[3154] ERROR DmaBufAllocator dma_buf_allocator.cpp:119 Could not open any
dma-buf provider
× pipewire-pulse.service - PipeWire PulseAudio
Loaded: loaded (/usr/lib/systemd/user/pipewire-pulse.service; enabled;
preset: enabled)
Active: failed (Result: core-dump) since Wed 2026-03-11 14:25:43 CET; 1min
35s ago
Duration: 1.302s
Invocation: e2bd014e4dfb478fa3ba6c0956344403
TriggeredBy: × pipewire-pulse.socket
Process: 5555 ExecStart=/usr/bin/pipewire-pulse (code=dumped, signal=SYS)
Main PID: 5555 (code=dumped, signal=SYS)
Mem peak: 2.5M
CPU: 31ms
Mar 11 14:25:43 jas-ThinkPad-T460s systemd[3019]: pipewire-pulse.service:
Scheduled restart job, restart counter is at 6.
Mar 11 14:25:43 jas-ThinkPad-T460s systemd[3019]: pipewire-pulse.service: Start
request repeated too quickly.
Mar 11 14:25:43 jas-ThinkPad-T460s systemd[3019]: pipewire-pulse.service:
Failed with result 'core-dump'.
Mar 11 14:25:43 jas-ThinkPad-T460s systemd[3019]: Failed to start
pipewire-pulse.service - PipeWire PulseAudio.
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2143842
Title:
Missing audio icon and volume slider in Quick Settings in Ubuntu 26.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/pipewire/+bug/2143842/+subscriptions
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