________________ > pulseaudio_ps_do dad 1239 5.0 0.2 1934324 18576 ? S which pulseaudio /usr/bin/pulseaudio ________________ > pidof pulseaudio 1239 ________________ > pulseaudio --version pulseaudio 14.2 ________________ > pactl info Connection failure: Connection refused pa_context_connect() failed: Connection refused ________________ > pactl list Connection failure: Connection refused pa_context_connect() failed: Connection refused ________________ > cat /etc/pulse/daemon.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for the PulseAudio daemon. See pulse-daemon.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; daemonize = no ; fail = yes ; allow-module-loading = yes ; allow-exit = yes ; use-pid-file = yes ; system-instance = no ; local-server-type = user ; enable-shm = yes ; enable-memfd = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; lock-memory = no ; cpu-limit = no ; high-priority = yes ; nice-level = -11 ; realtime-scheduling = yes ; realtime-priority = 5 ; exit-idle-time = 20 ; scache-idle-time = 20 ; dl-search-path = (depends on architecture) ; load-default-script-file = yes ; default-script-file = /etc/pulse/default.pa ; log-target = auto ; log-level = notice ; log-meta = no ; log-time = no ; log-backtrace = 0 ; resample-method = speex-float-1 ; avoid-resampling = false ; enable-remixing = yes ; remixing-use-all-sink-channels = yes ; remixing-produce-lfe = no ; remixing-consume-lfe = no ; lfe-crossover-freq = 0 ; flat-volumes = no ; rescue-streams = yes ; rlimit-fsize = -1 ; rlimit-data = -1 ; rlimit-stack = -1 ; rlimit-core = -1 ; rlimit-as = -1 ; rlimit-rss = -1 ; rlimit-nproc = -1 ; rlimit-nofile = 256 ; rlimit-memlock = -1 ; rlimit-locks = -1 ; rlimit-sigpending = -1 ; rlimit-msgqueue = -1 ; rlimit-nice = 31 ; rlimit-rtprio = 9 ; rlimit-rttime = 200000 ; default-sample-format = s16le ; default-sample-rate = 44100 ; alternate-sample-rate = 48000 ; default-sample-channels = 2 ; default-channel-map = front-left,front-right ; default-fragments = 4 ; default-fragment-size-msec = 25 ; enable-deferred-volume = yes deferred-volume-safety-margin-usec = 1 ; deferred-volume-extra-delay-usec = 0 ________________ > cat /etc/pulse/client.conf # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . ## Configuration file for PulseAudio clients. See pulse-client.conf(5) for ## more information. Default values are commented out. Use either ; or # for ## commenting. ; default-sink = ; default-source = ; default-server = ; default-dbus-server = ; autospawn = yes ; daemon-binary = /usr/bin/pulseaudio ; extra-arguments = --log-target=syslog ; cookie-file = ; enable-shm = yes ; shm-size-bytes = 0 # setting this 0 will use the system-default, usually 64 MiB ; auto-connect-localhost = no ; auto-connect-display = no ________________ > cat /etc/pulse/default.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started per-user # (i.e. not in system mode) .fail ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically augment property information from .desktop files ### stored in /usr/share/application load-module module-augment-properties ### Should be after module-*-restore but before module-*-detect load-module module-switch-on-port-available ### Use hot-plugged devices like Bluetooth or USB automatically (LP: #1702794) .ifexists module-switch-on-connect.so load-module module-switch-on-connect .endif ### Load audio drivers statically ### (it's probably better to not load these drivers manually, but instead ### use module-udev-detect -- see below -- for doing this automatically) #load-module module-alsa-sink #load-module module-alsa-source device=hw:1,0 #load-module module-oss device="/dev/dsp" sink_name=output source_name=input #load-module module-oss-mmap device="/dev/dsp" sink_name=output source_name=input #load-module module-null-sink #load-module module-pipe-sink ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev support) load-module module-detect .endif ### Automatically connect sink and source if JACK server is present .ifexists module-jackdbus-detect.so .nofail load-module module-jackdbus-detect channels=2 .fail .endif ### Automatically load driver modules for Bluetooth hardware .ifexists module-bluetooth-policy.so load-module module-bluetooth-policy .endif .ifexists module-bluetooth-discover.so load-module module-bluetooth-discover .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Network access (may be configured with paprefs, so leave this commented ### here if you plan to use paprefs) #load-module module-esound-protocol-tcp #load-module module-native-protocol-tcp #load-module module-zeroconf-publish ### Load the RTP receiver module (also configured via paprefs, see above) #load-module module-rtp-recv ### Load the RTP sender module (also configured via paprefs, see above) #load-module module-null-sink sink_name=rtp format=s16be channels=2 rate=44100 sink_properties="device.description='RTP Multicast Sink'" #load-module module-rtp-send source=rtp.monitor ### Load additional modules from GSettings. This can be configured with the paprefs tool. ### Please keep in mind that the modules configured by paprefs might conflict with manually ### loaded modules. .ifexists module-gsettings.so .nofail load-module module-gsettings .fail .endif ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Honour intended role device property load-module module-intended-roles ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### If autoexit on idle is enabled we want to make sure we only quit ### when no local session needs us anymore. .ifexists module-console-kit.so load-module module-console-kit .endif .ifexists module-systemd-login.so load-module module-systemd-login .endif ### Enable positioned event sounds load-module module-position-event-sounds ### Cork music/video streams when a phone stream is active load-module module-role-cork ### Block audio recording for snap confined packages unless they have ### the "pulseaudio" or "audio-record" interfaces plugged. .ifexists module-snap-policy.so load-module module-snap-policy .endif ### Modules to allow autoloading of filters (such as echo cancellation) ### on demand. module-filter-heuristics tries to determine what filters ### make sense, and module-filter-apply does the heavy-lifting of ### loading modules and rerouting streams. load-module module-filter-heuristics load-module module-filter-apply ### Make some devices default #set-default-sink output #set-default-source input ________________ > cat /etc/pulse/system.pa #!/usr/bin/pulseaudio -nF # # This file is part of PulseAudio. # # PulseAudio is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # PulseAudio is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with PulseAudio; if not, see . # This startup script is used only if PulseAudio is started in system # mode. ### Automatically restore the volume of streams and devices load-module module-device-restore load-module module-stream-restore load-module module-card-restore ### Automatically load driver modules depending on the hardware available .ifexists module-udev-detect.so load-module module-udev-detect .else ### Use the static hardware detection module (for systems that lack udev/hal support) load-module module-detect .endif ### Load several protocols .ifexists module-esound-protocol-unix.so load-module module-esound-protocol-unix .endif load-module module-native-protocol-unix ### Automatically restore the default sink/source when changed by the user ### during runtime ### NOTE: This should be loaded as early as possible so that subsequent modules ### that look up the default sink/source get the right value load-module module-default-device-restore ### Make sure we always have a sink around, even if it is a null sink. load-module module-always-sink ### Automatically suspend sinks/sources that become idle for too long load-module module-suspend-on-idle ### Enable positioned event sounds load-module module-position-event-sounds ________________ > ls -alt /dev/snd/* crw-rw----+ 1 root audio 116, 6 Mar 2 20:30 /dev/snd/pcmC2D0p crw-rw----+ 1 root audio 116, 7 Mar 2 20:30 /dev/snd/controlC2 crw-rw----+ 1 root audio 116, 5 Mar 2 20:30 /dev/snd/controlC1 crw-rw----+ 1 root audio 116, 4 Mar 2 20:30 /dev/snd/pcmC1D0p crw-rw----+ 1 root audio 116, 3 Mar 2 20:30 /dev/snd/controlC0 crw-rw----+ 1 root audio 116, 2 Mar 2 20:30 /dev/snd/pcmC0D0p crw-rw----+ 1 root audio 116, 1 Mar 2 20:30 /dev/snd/seq crw-rw----+ 1 root audio 116, 33 Mar 2 20:30 /dev/snd/timer /dev/snd/by-path: total 0 lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-fef05700.hdmi -> ../controlC2 drwxr-xr-x 2 root root 100 Mar 2 20:30 . lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-fef00700.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-bcm2835_audio -> ../controlC0 drwxr-xr-x 3 root root 220 Mar 2 20:30 .. ________________ > lsof /dev/snd/* lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs Output information may be incomplete. COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME pulseaudi 1239 dad mem CHR 116,4 1917 /dev/snd/pcmC1D0p pulseaudi 1239 dad 21u CHR 116,3 0t0 1898 /dev/snd/controlC0 pulseaudi 1239 dad 27u CHR 116,5 0t0 1920 /dev/snd/controlC1 pulseaudi 1239 dad 53u CHR 116,4 0t0 1917 /dev/snd/pcmC1D0p ________________ > jacks_do card=0 card=1 card=2 ________________ > aplay -L null Discard all samples (playback) or generate zero samples (capture) samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization hw:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Direct hardware device without any conversions plughw:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Hardware device with all software conversions default:CARD=Headphones bcm2835 Headphones, bcm2835 Headphones Default Audio Device sysdefault:CARD=Headphones bcm2835 Headphones, bcm2835 Headphones Default Audio Device dmix:CARD=Headphones,DEV=0 bcm2835 Headphones, bcm2835 Headphones Direct sample mixing device usbstream:CARD=Headphones bcm2835 Headphones USB Stream Output hw:CARD=vc4hdmi,DEV=0 vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Direct hardware device without any conversions plughw:CARD=vc4hdmi,DEV=0 vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Hardware device with all software conversions default:CARD=vc4hdmi vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Default Audio Device sysdefault:CARD=vc4hdmi vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Default Audio Device front:CARD=vc4hdmi,DEV=0 vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Front output / input iec958:CARD=vc4hdmi,DEV=0 vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 IEC958 (S/PDIF) Digital Audio Output dmix:CARD=vc4hdmi,DEV=0 vc4-hdmi, MAI PCM vc4-hdmi-hifi-0 Direct sample mixing device usbstream:CARD=vc4hdmi vc4-hdmi USB Stream Output hw:CARD=vc4hdmi1,DEV=0 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Direct hardware device without any conversions plughw:CARD=vc4hdmi1,DEV=0 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Hardware device with all software conversions default:CARD=vc4hdmi1 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Default Audio Device sysdefault:CARD=vc4hdmi1 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Default Audio Device front:CARD=vc4hdmi1,DEV=0 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Front output / input iec958:CARD=vc4hdmi1,DEV=0 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 IEC958 (S/PDIF) Digital Audio Output dmix:CARD=vc4hdmi1,DEV=0 vc4-hdmi1, MAI PCM vc4-hdmi-hifi-0 Direct sample mixing device usbstream:CARD=vc4hdmi1 vc4-hdmi1 USB Stream Output ________________ > arecord -L null Discard all samples (playback) or generate zero samples (capture) samplerate Rate Converter Plugin Using Samplerate Library speexrate Rate Converter Plugin Using Speex Resampler jack JACK Audio Connection Kit oss Open Sound System pulse PulseAudio Sound Server upmix Plugin for channel upmix (4,6,8) vdownmix Plugin for channel downmix (stereo) with a simple spacialization usbstream:CARD=Headphones bcm2835 Headphones USB Stream Output usbstream:CARD=vc4hdmi vc4-hdmi USB Stream Output usbstream:CARD=vc4hdmi1 vc4-hdmi1 USB Stream Output ________________ > alsa_info_do cat: /tmp/alsa-info.zP6Q3ma0Az/acpidevicestatus.tmp: No such file or directory alsactl: get_control:256: Cannot read control '3,0,0,Playback Channel Map,0': Invalid argument cat: /tmp/alsa-info.zP6Q3ma0Az/alsactl.tmp: No such file or directory upload=true&script=true&cardinfo= !!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Mar 6 17:07:04 UTC 2021 !!Linux Distribution !!------------------ Ubuntu Hirsute Hippo (development branch) \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu Hirsute Hippo (development branch)" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu Hirsute Hippo (development branch)" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=hirsute !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.8.0-1017-raspi Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.8.0-1017-raspi Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 vc4 vc4 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 1 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi 2 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi1 vc4-hdmi1 !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: vc4 fkms_max_refresh_rate : 85 !!Module: vc4 fkms_max_refresh_rate : 85 !!ALSA Device nodes !!----------------- crw-rw----+ 1 root audio 116, 3 Mar 2 20:30 /dev/snd/controlC0 crw-rw----+ 1 root audio 116, 5 Mar 2 20:30 /dev/snd/controlC1 crw-rw----+ 1 root audio 116, 7 Mar 2 20:30 /dev/snd/controlC2 crw-rw----+ 1 root audio 116, 2 Mar 2 20:30 /dev/snd/pcmC0D0p crw-rw----+ 1 root audio 116, 4 Mar 2 20:30 /dev/snd/pcmC1D0p crw-rw----+ 1 root audio 116, 6 Mar 2 20:30 /dev/snd/pcmC2D0p crw-rw----+ 1 root audio 116, 1 Mar 2 20:30 /dev/snd/seq crw-rw----+ 1 root audio 116, 33 Mar 2 20:30 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Mar 2 20:30 . drwxr-xr-x 3 root root 220 Mar 2 20:30 .. lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-fef00700.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 2 20:30 platform-fef05700.hdmi -> ../controlC2 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 1: vc4hdmi [vc4-hdmi], device 0: MAI PCM vc4-hdmi-hifi-0 [MAI PCM vc4-hdmi-hifi-0] Subdevices: 0/1 Subdevice #0: subdevice #0 card 2: vc4hdmi1 [vc4-hdmi1], device 0: MAI PCM vc4-hdmi-hifi-0 [MAI PCM vc4-hdmi-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card hw:0 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'Headphone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card vc4hdmi Card hw:1 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card hw:2 'vc4hdmi1'/'vc4-hdmi1' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher autofs4 bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 blake2b_generic bluetooth bnep brcmfmac brcmutil btbcm btintel btqca btrfs btrtl btsdio cec cfg80211 crct10dif_ce cryptd crypto_simd dm_log dm_mirror dm_region_hash drm drm_kms_helper ecc ecdh_generic fb_sys_fops gpu_sched hci_uart hid_generic i2c_brcmstb input_leds ip_tables libcrc32c lp mc parport phy_generic ppdev raid6_pq raspberrypi_hwmon rfcomm rpivid_mem sch_fq_codel snd snd_bcm2835 snd_compress snd_mixer_oss snd_pcm snd_pcm_dmaengine snd_pcm_oss snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_seq_oss snd_soc_core snd_timer spidev syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq usbhid v3d v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xhci_pci xhci_pci_renesas xor xor_neon !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2015744 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:1280x1024M@60 smsc95xx.macaddr=DC:A6:32:D1:3E:28 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 8.484481] usbcore: registered new interface driver brcmfmac [ 8.543591] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 8.547067] bcm2835_audio bcm2835_audio: card created with 8 channels -- [ 8.827832] WARNING: CPU: 2 PID: 361 at drivers/gpu/drm/drm_mode_config.c:616 validate_encoder_possible_crtcs+0x78/0x9c [drm] [ 8.827835] Modules linked in: vc4(+) drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas phy_generic [ 8.827897] CPU: 2 PID: 361 Comm: systemd-udevd Tainted: G WC E 5.8.0-1017-raspi #20+21.04.1-Ubuntu -- [ 18.349209] BUG: scheduling while atomic: alsa-sink-MAI P/988/0x00000002 [ 18.349219] Modules linked in: algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas phy_generic [ 18.349467] CPU: 3 PID: 988 Comm: alsa-sink-MAI P Tainted: G WC E 5.8.0-1017-raspi #20+21.04.1-Ubuntu -- [ 18.349552] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 18.349597] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 18.349614] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 18.349633] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 18.349642] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 18.349650] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 18.349659] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 18.349668] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 18.349676] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 18.349682] ksys_ioctl+0xb4/0xf4 -- [ 18.350143] BUG: scheduling while atomic: alsa-sink-MAI P/988/0x00000000 [ 18.350163] Modules linked in: algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas phy_generic [ 18.350316] CPU: 3 PID: 988 Comm: alsa-sink-MAI P Tainted: G WC E 5.8.0-1017-raspi #20+21.04.1-Ubuntu -- [ 18.350402] el0_sync+0x17c/0x180 [ 18.370772] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 18.370786] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 18.372058] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 18.372072] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 18.375352] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 18.375372] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 18.376290] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 18.376304] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 18.376726] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 18.376737] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 -- [ 45.860174] BUG: scheduling while atomic: alsa-sink-MAI P/988/0x00000002 [ 45.860188] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 45.860276] phy_generic -- [ 45.860378] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 45.860433] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 45.860450] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 45.860474] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 45.860484] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 45.860493] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 45.860501] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 45.860510] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 45.860518] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 45.860524] ksys_ioctl+0xb4/0xf4 -- [ 45.860822] BUG: scheduling while atomic: alsa-sink-MAI P/988/0x00000000 [ 45.860833] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 45.860934] phy_generic -- [ 46.993820] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 46.993830] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 46.993903] phy_generic -- [ 46.993988] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 46.994025] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 46.994042] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 46.994059] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 46.994069] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 46.994077] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 46.994086] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 46.994094] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 46.994103] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 46.994107] ksys_ioctl+0xb4/0xf4 -- [ 46.994339] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 46.994350] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 46.994441] phy_generic -- [ 46.994502] el0_sync+0x17c/0x180 [ 47.022385] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 47.022400] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 47.023469] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 47.023537] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 47.026873] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 47.026890] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 47.027402] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 47.027414] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 [ 47.028272] vc4_hdmi fef05700.hdmi: ASoC: error at snd_soc_dai_startup on fef05700.hdmi: -19 [ 47.028288] vc4_hdmi fef05700.hdmi: ASoC: can't open DAI fef05700.hdmi: -19 -- [ 151.263986] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 151.263999] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 151.264098] phy_generic -- [ 151.264240] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 151.264317] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 151.264333] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 151.264362] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 151.264370] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 151.264379] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 151.264387] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 151.264396] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 151.264404] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 151.264411] ksys_ioctl+0xb4/0xf4 -- [ 151.264750] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 151.264772] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 151.264896] phy_generic -- [ 178.666881] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 178.666893] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 178.666975] phy_generic -- [ 178.667077] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 178.667123] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 178.667140] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 178.667161] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 178.667170] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 178.667178] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 178.667186] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 178.667195] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 178.667203] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 178.667208] ksys_ioctl+0xb4/0xf4 -- [ 178.667486] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 178.667499] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 178.667666] phy_generic -- [ 223.710924] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 223.710935] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 223.711007] phy_generic -- [ 223.711092] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 223.711129] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 223.711145] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 223.711160] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 223.711170] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 223.711178] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 223.711187] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 223.711195] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 223.711203] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 223.711208] ksys_ioctl+0xb4/0xf4 -- [ 223.711398] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 223.711409] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 223.711507] phy_generic -- [ 260.728231] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 260.728243] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 260.728322] phy_generic -- [ 260.728417] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 260.728464] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 260.728481] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 260.728501] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 260.728510] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 260.728518] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 260.728527] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 260.728535] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 260.728543] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 260.728547] ksys_ioctl+0xb4/0xf4 -- [ 260.728785] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 260.728796] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 260.728895] phy_generic -- [ 369.163763] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000002 [ 369.163774] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 369.163850] phy_generic -- [ 369.163941] vc4_hdmi_audio_trigger+0x74/0x2cc [vc4] [ 369.163983] snd_soc_pcm_dai_trigger+0x60/0x110 [snd_soc_core] [ 369.163999] soc_pcm_trigger+0xb4/0x160 [snd_soc_core] [ 369.164017] snd_pcm_do_start+0x40/0x50 [snd_pcm] [ 369.164026] snd_pcm_action_single+0x50/0xac [snd_pcm] [ 369.164034] snd_pcm_action+0x84/0xa0 [snd_pcm] [ 369.164042] snd_pcm_action_lock_irq+0x94/0xc4 [snd_pcm] [ 369.164051] snd_pcm_common_ioctl+0x78c/0x7f0 [snd_pcm] [ 369.164059] snd_pcm_ioctl+0x3c/0x54 [snd_pcm] [ 369.164063] ksys_ioctl+0xb4/0xf4 -- [ 369.164276] BUG: scheduling while atomic: alsa-sink-MAI P/1262/0x00000000 [ 369.164287] Modules linked in: rfcomm algif_hash aes_neon_bs aes_neon_blk crypto_simd cryptd algif_skcipher af_alg bnep hci_uart btqca btrtl btbcm btintel vc4 drm_kms_helper cec snd_soc_core btsdio bluetooth snd_compress ac97_bus snd_bcm2835(CE) snd_pcm_dmaengine ecdh_generic snd_pcm_oss ecc snd_mixer_oss snd_pcm input_leds brcmfmac snd_seq_dummy snd_seq_oss snd_seq_midi brcmutil snd_seq_midi_event cfg80211 snd_rawmidi bcm2835_codec(CE) v4l2_mem2mem snd_seq bcm2835_isp(CE) bcm2835_v4l2(CE) bcm2835_mmal_vchiq(CE) videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops snd_seq_device videobuf2_v4l2 snd_timer videobuf2_common vc_sm_cma(CE) videodev mc snd v3d gpu_sched fb_sys_fops syscopyarea rpivid_mem crct10dif_ce sysfillrect sysimgblt uio_pdrv_genirq uio sch_fq_codel ppdev lp parport drm ip_tables x_tables autofs4 btrfs blake2b_generic xor xor_neon hid_generic usbhid raid6_pq libcrc32c dm_mirror dm_region_hash dm_log i2c_brcmstb spidev xhci_pci xhci_pci_renesas [ 369.164384] phy_generic !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.4-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.4-2 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.4-1ubuntu2 arm64 Utilities for configuring and using ALSA