Ubuntu 20.04 LTS，英特尔 Cannon Lake 声卡。HDMI 输出实际上不起作用；它说它正在工作，但当我插入 HDMI 时，什么也没发生。ALSA 强制重新加载必须使用 ctrl c 退出，它挂起在
Unloading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-codec-hdmi snd-soc-core snd-compress snd-pcm-dmaengine snd-hda-codec-generic snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer (failed: modules still loaded: snd-soc-core snd-compress snd-pcm-dmaengine snd-pcm snd-timer).
Loading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-codec-hdmi snd-soc-core snd-compress snd-pcm-dmaengine snd-hda-codec-generic snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer
启动时[ 72.483004] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d80显示大约10-11次。
重新安装了 pulseaudio，但没有用。
dmesg 显示
[ 61.071532] snd_hda_intel 0000:00:1f.3: dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead
[ 61.071557] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[ 61.071740] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 61.334100] snd_hda_codec_generic hdaudioC0D0: autoconfig for Generic: line_outs=3 (0x15/0x1b/0x17/0x0/0x0) type:speaker
[ 61.334102] snd_hda_codec_generic hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 61.334104] snd_hda_codec_generic hdaudioC0D0: hp_outs=1 (0x14/0x0/0x0/0x0/0x0)
[ 61.334104] snd_hda_codec_generic hdaudioC0D0: mono: mono_out=0x0
[ 61.334105] snd_hda_codec_generic hdaudioC0D0: dig-out=0x1e/0x0
[ 61.334106] snd_hda_codec_generic hdaudioC0D0: inputs:
[ 61.334108] snd_hda_codec_generic hdaudioC0D0: Mic=0x18
[ 61.334109] snd_hda_codec_generic hdaudioC0D0: Internal Mic=0x12
[ 61.347120] snd_hda_codec_generic hdaudioC0D2: autoconfig for Generic: line_outs=0 (0x0/0x0/0x0/0x0/0x0) type:line
[ 61.347121] snd_hda_codec_generic hdaudioC0D2: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 61.347122] snd_hda_codec_generic hdaudioC0D2: hp_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 61.347122] snd_hda_codec_generic hdaudioC0D2: mono: mono_out=0x0
[ 61.347123] snd_hda_codec_generic hdaudioC0D2: dig-out=0x3/0x0
[ 61.347123] snd_hda_codec_generic hdaudioC0D2: inputs:
[ 63.386851] snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x20270503
[ 64.390876] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 65.398853] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 66.402942] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 68.451032] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 69.458985] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 70.467005] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 71.470859] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d81
[ 72.483004] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d80
[ 74.490997] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 75.494897] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 76.507008] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 78.555011] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 79.558892] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 80.562942] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 82.602984] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 83.610988] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 84.623029] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 86.670976] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 87.682963] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 88.690866] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 90.734960] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 91.743022] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 92.746941] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 94.786985] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 95.795042] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 96.798901] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 98.842943] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 99.847008] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 100.850960] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 102.890987] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270503
[ 103.902885] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370503
[ 104.910949] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 125.951004] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 126.954990] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 127.959032] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 128.963013] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 130.003012] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 131.007019] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 132.018971] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 133.023022] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 134.055034] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 135.059002] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 136.067033] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 137.071020] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 138.103033] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 139.107027] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 140.111041] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 141.119036] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 142.151039] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 143.155054] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 144.159027] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 145.163023] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 146.195038] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 147.199034] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 148.207024] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 149.219037] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 150.254949] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 151.259025] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 152.267019] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 153.271018] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 154.307030] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 155.319007] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 156.326986] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 157.335028] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 158.367026] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 159.370960] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 160.386906] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 161.399036] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 162.431035] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20170500
[ 163.435034] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270500
[ 164.439033] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370500
[ 165.447050] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x201f0500
[ 166.478886] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370740
[ 167.486999] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20370740
[ 168.491003] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d80
[ 168.491011] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -11
[ 169.495002] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d80
[ 169.495009] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -11
[ 170.499006] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x203f0900
[ 171.619029] snd_hda_intel 0000:00:1f.3: No response from codec, resetting bus: last cmd=0x20270d81
[ 172.622898] snd_hda_intel 0000:00:1f.3: azx_get_response timeout, switching to single_cmd mode: last cmd=0x202a0000
[ 173.279227] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5
[ 173.279391] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5
[ 212.415385] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 212.415549] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 653.963248] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 653.963390] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 2649.279267] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 2649.279426] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 2966.667289] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 2966.667464] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 5579.527369] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 5579.527532] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9397.551410] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9397.551871] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9397.582897] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5
[ 9397.583064] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5
[ 9399.415580] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9399.415736] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9554.690790] Modules linked in: rfcomm ccm cmac algif_hash algif_skcipher af_alg bnep binfmt_misc nls_iso8859_1 nvidia_uvm(OE) nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) snd_hda_codec_hdmi snd_hda_codec_realtek mei_hdcp intel_rapl_msr snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_hda_codec_generic ledtrig_audio iwlmvm snd_hda_intel intel_rapl_common x86_pkg_temp_thermal intel_powerclamp rtsx_usb_ms mac80211 coretemp libarc4 memstick snd_intel_dspcfg snd_hda_codec snd_hda_core iwlwifi snd_hwdep snd_pcm btusb kvm_intel kvm snd_seq_midi i915 btrtl snd_seq_midi_event snd_rawmidi snd_seq btbcm btintel snd_seq_device snd_timer cfg80211 crct10dif_pclmul ghash_clmulni_intel aesni_intel bluetooth snd soundcore ecdh_generic crypto_simd msi_wmi cryptd sparse_keymap glue_helper ecc rapl
[ 9557.324023] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9557.324189] snd_hda_codec_generic hdaudioC0D2: Unable to sync register 0x2f0d00. -5
[ 9557.367291] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5
[ 9557.367456] snd_hda_codec_generic hdaudioC0D0: Unable to sync register 0x2b8000. -5