• Bug#1042713: wireplumber: High cpu usage

    From Bastian Venthur@21:1/5 to All on Tue Jul 8 14:40:01 2025
    Package: wireplumber
    Version: 0.5.8-2
    Followup-For: Bug #1042713
    X-Debbugs-Cc: [email protected]

    I have the same issue. Sometimes Firefox seems to hang and I notice wireplumber eating 100% CPU on one core. Restarting wireplumber fixes the issue and unfreezes Firefox as well.

    I don't have pipewire-libcamera installed. Here are some logs, I restarted wireplumber 14:29:

    $ sudo journalctl -xe | grep pipewire
    Jul 08 14:29:59 flix wireplumber[2532]: wireplumber: disconnected from pipewire

    $ sudo journalctl -xe | grep wireplumber
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: ALSA close failed: No such device
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: error pcm info: No such device
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: error iterating devices: No such device
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: Failed to read jack detection from 'Headphone Jack'
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: Failed to read jack detection from 'Line Out Jack'
    Jul 08 14:02:32 flix wireplumber[2532]: spa.alsa: Failed to read jack detection from 'Headset Mic Jack'
    Jul 08 14:29:59 flix wireplumber[2532]: wireplumber: stopped by signal: Terminated
    Jul 08 14:29:59 flix systemd[2506]: Stopping wireplumber.service - Multimedia Service Session Manager...
    Jul 08 14:29:59 flix wireplumber[2532]: wireplumber: disconnected from pipewire Jul 08 14:29:59 flix systemd[2506]: Stopped wireplumber.service - Multimedia Service Session Manager.
    Jul 08 14:29:59 flix systemd[2506]: wireplumber.service: Consumed 28min 15.565s CPU time, 13.2M memory peak.
    Jul 08 14:29:59 flix systemd[2506]: Started wireplumber.service - Multimedia Service Session Manager.
    Jul 08 14:29:59 flix wireplumber[66993]: wp-internal-comp-loader: Loading profile 'main'
    Jul 08 14:29:59 flix wireplumber[66993]: wp-device: SPA handle 'api.alsa.acp.device' could not be loaded; is it installed?
    Jul 08 14:29:59 flix wireplumber[66993]: s-monitors: Failed to create 'api.alsa.acp.device' device
    Jul 08 14:30:01 flix wireplumber[66993]: wp-event-dispatcher: <WpAsyncEventHook:0x55a9ad8adbc0> failed: <WpSiStandardLink:0x55a9ad9aae20> link failed: 2 of 2 PipeWire links failed to activate
    Jul 08 14:30:01 flix wireplumber[66993]: [5:38:59.776287101] [66993] INFO Camera camera_manager.cpp:327 libcamera v0.4.0
    Jul 08 14:30:02 flix wireplumber[66993]: s-monitors-utils: skipping device libcamera:\_SB_.PCI0.GPPA.XHC1.RHUB.PRT1-1:1.0-174f:11af
    Jul 08 14:30:02 flix wireplumber[66993]: s-monitors-utils: skipping device libcamera:\_SB_.PCI0.GPPA.XHC1.RHUB.PRT1-1:1.2-174f:11af


    -- System Information:
    Debian Release: 13.0
    APT prefers unstable
    APT policy: (500, 'unstable'), (1, 'experimental')
    Architecture: amd64 (x86_64)

    Kernel: Linux 6.15-amd64 (SMP w/16 CPU threads; PREEMPT)
    Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en
    Shell: /bin/sh linked to /usr/bin/dash
    Init: systemd (via /run/systemd/system)
    LSM: AppArmor: enabled

    Versions of packages wireplumber depends on:
    ii dbus-user-session [default-dbus-session-bus] 1.16.2-2
    ii init-system-helpers 1.68
    ii libc6 2.41-9
    ii libglib2.0-0t64 2.84.3-1
    ii libpipewire-0.3-0t64 1.4.2-1
    ii libwireplumber-0.5-0 0.5.8-2
    ii pipewire 1.4.2-1

    Versions of packages wireplumber recommends:
    ii pipewire-pulse 1.4.2-1

    Versions of packages wireplumber suggests:
    ii libspa-0.2-bluetooth 1.4.2-1
    ii libspa-0.2-libcamera 1.4.2-1
    pn wireplumber-doc <none>

    -- no debconf information

    --- SoupGate-Win32 v1.05
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