For 6.14.0-29 kernel boot there is additional line printed: "snd_hda_codec_realtek hdaudioC0D0: ALC256: picked fixup (pin match)" Also different order during initialization, irg, pm_blackjlist value and other.
Full diff alsa-info6.11.0-17 alsa-info6.14.0-29: < Kernel release: #17~24.04.2-Ubuntu SMP PREEMPT_DYNAMIC Mon Jan 20 22:48:29 UTC 2 --- > Kernel release: #29~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Aug 14 16:52:50 > UTC 2 80c80 < Driver version: k6.11.0-17-generic --- > Driver version: k6.14.0-29-generic 105c105 < HDA Intel PCH at 0xa1310000 irq 134 --- > HDA Intel PCH at 0xa1310000 irq 135 151c151 < pm_blacklist : Y --- > pm_blacklist : -1 390a391,394 > Control: name="Capture Volume", index=0, device=0 > ControlAmp: chs=3, dir=In, idx=0, ofs=0 > Control: name="Capture Switch", index=0, device=0 > ControlAmp: chs=3, dir=In, idx=0, ofs=0 405,408d408 < Control: name="Capture Volume", index=0, device=0 < ControlAmp: chs=3, dir=In, idx=0, ofs=0 < Control: name="Capture Switch", index=0, device=0 < ControlAmp: chs=3, dir=In, idx=0, ofs=0453c453 < Control: name="Internal Mic Boost Volume", index=1, device=0 --- > Control: name="Internal Mic Boost Volume", index=0, device=0 456c456 < Amp-In vals: [0x00 0x00] --- > Amp-In vals: [0x01 0x01] 527c527 < Control: name="Internal Mic Boost Volume", index=0, device=0 --- > Control: name="Internal Mic Boost Volume", index=1, device=0 530c530 < Amp-In vals: [0x01 0x01] --- > Amp-In vals: [0x00 0x00] 594c594 < Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x00 0x00] [0x80 0x80] [0x80 0x80] --- > Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] > [0x80 0x80] 599c599 < 0x12* 0x13 --- > 0x12 0x13* 696,705c696,705 < crw-rw----+ 1 root audio 116, 9 Aug 29 12:09 /dev/snd/controlC0 < crw-rw----+ 1 root audio 116, 7 Aug 29 12:09 /dev/snd/hwC0D0 < crw-rw----+ 1 root audio 116, 8 Aug 29 12:09 /dev/snd/hwC0D2 < crw-rw----+ 1 root audio 116, 3 Aug 29 12:10 /dev/snd/pcmC0D0c < crw-rw----+ 1 root audio 116, 2 Aug 29 12:11 /dev/snd/pcmC0D0p < crw-rw----+ 1 root audio 116, 4 Aug 29 12:09 /dev/snd/pcmC0D3p < crw-rw----+ 1 root audio 116, 5 Aug 29 12:09 /dev/snd/pcmC0D7p < crw-rw----+ 1 root audio 116, 6 Aug 29 12:09 /dev/snd/pcmC0D8p < crw-rw----+ 1 root audio 116, 1 Aug 29 12:09 /dev/snd/seq < crw-rw----+ 1 root audio 116, 33 Aug 29 12:09 /dev/snd/timer --- > crw-rw----+ 1 root audio 116, 9 Aug 29 12:04 /dev/snd/controlC0 > crw-rw----+ 1 root audio 116, 7 Aug 29 12:04 /dev/snd/hwC0D0 > crw-rw----+ 1 root audio 116, 8 Aug 29 12:04 /dev/snd/hwC0D2 > crw-rw----+ 1 root audio 116, 3 Aug 29 12:04 /dev/snd/pcmC0D0c > crw-rw----+ 1 root audio 116, 2 Aug 29 12:04 /dev/snd/pcmC0D0p > crw-rw----+ 1 root audio 116, 4 Aug 29 12:04 /dev/snd/pcmC0D3p > crw-rw----+ 1 root audio 116, 5 Aug 29 12:04 /dev/snd/pcmC0D7p > crw-rw----+ 1 root audio 116, 6 Aug 29 12:04 /dev/snd/pcmC0D8p > crw-rw----+ 1 root audio 116, 1 Aug 29 12:04 /dev/snd/seq > crw-rw----+ 1 root audio 116, 33 Aug 29 12:04 /dev/snd/timer 709,711c709,711 < drwxr-xr-x 2 root root 60 Aug 29 12:09 . < drwxr-xr-x 3 root root 260 Aug 29 12:09 .. < lrwxrwxrwx 1 root root 12 Aug 29 12:09 pci-0000:00:0e.0 -> ../controlC0 --- > drwxr-xr-x 2 root root 60 Aug 29 12:04 . > drwxr-xr-x 3 root root 260 Aug 29 12:04 .. > lrwxrwxrwx 1 root root 12 Aug 29 12:04 pci-0000:00:0e.0 -> ../controlC0 745c745 < Card sysdefault:0 'PCH'/'HDA Intel PCH at 0xa1310000 irq 134' --- > Card sysdefault:0 'PCH'/'HDA Intel PCH at 0xa1310000 irq 135' 1389a1390 > cmdlinepart 1392,1393d1392 < crc32_pclmul < crct10dif_pclmul 1433a1433 > irqbypass 1439a1440 > lpc_ich 1450a1452 > mtd 1475a1478 > rpmb_core 1485a1489 > sdhci_uhs2 1512a1517 > snd_soc_acpi_intel_sdca_quirks 1517,1519c1522 < snd_soc_skl < snd_soc_sst_dsp < snd_soc_sst_ipc --- > snd_soc_sdca 1535a1539,1541 > spi_intel > spi_intel_platform > spi_nor 1552,1553d1557 < xhci_pci < xhci_pci_renesas 1598,1612c1602,1620 < [ 8.501921] Invalid pltconfig, ensure IPC1 device is enabled in BIOS < [ 8.814684] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) < [ 8.911040] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC256: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker < [ 8.911051] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) < [ 8.911054] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0) < [ 8.911057] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0 < [ 8.911059] snd_hda_codec_realtek hdaudioC0D0: inputs: < [ 8.911061] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x1b < [ 8.911064] snd_hda_codec_realtek hdaudioC0D0: Headset Mic=0x19 < [ 8.911066] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x13 < [ 9.181015] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:0e.0/sound/card0/input24 < [ 9.181098] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input25 < [ 9.182239] input: HDA Intel PCH HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input26 < [ 9.182338] input: HDA Intel PCH HDMI/DP,pcm=8 as /devices/pci0000:00/0000:00:0e.0/sound/card0/input27 < [ 9.227937] fbcon: i915drmfb (fb0) is primary device --- > [ 7.989556] Invalid pltconfig, ensure IPC1 device is enabled in BIOS > [ 8.634730] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops > i915_audio_component_bind_ops [i915]) > [ 8.635429] fbcon: i915drmfb (fb0) is primary device > -- > [ 8.635436] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device > [ 8.744380] snd_hda_codec_realtek hdaudioC0D0: ALC256: picked fixup (pin > match) > [ 8.746522] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC256: > line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker > [ 8.746534] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 > (0x0/0x0/0x0/0x0/0x0) > [ 8.746537] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 > (0x21/0x0/0x0/0x0/0x0) > [ 8.746540] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0 > [ 8.746542] snd_hda_codec_realtek hdaudioC0D0: inputs: > [ 8.746544] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x13 > [ 8.746546] snd_hda_codec_realtek hdaudioC0D0: Headset Mic=0x19 > [ 8.746548] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x1b > [ 8.975813] input: HDA Intel PCH Headphone as > /devices/pci0000:00/0000:00:0e.0/sound/card0/input24 > [ 8.975967] input: HDA Intel PCH HDMI/DP,pcm=3 as > /devices/pci0000:00/0000:00:0e.0/sound/card0/input25 > [ 8.976162] input: HDA Intel PCH HDMI/DP,pcm=7 as > /devices/pci0000:00/0000:00:0e.0/sound/card0/input26 > [ 8.976297] input: HDA Intel PCH HDMI/DP,pcm=8 as > /devices/pci0000:00/0000:00:0e.0/sound/card0/input27 > [ 10.716942] kauditd_printk_skb: 59 callbacks suppressed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2121815 Title: Internal microphone works with 6.11.0-17 kernel. It does not work with 6.14.0-29. Status in alsa-driver package in Ubuntu: New Status in linux package in Ubuntu: New Bug description: I installed Ubuntu Desktop 24.04_02. With kernel 6.11.0-17 internal microphone works. After upgrade to 6.14.0-27 and later 6.14.0-29 it does not. I preserved 6.11.0-17 and when I boot it once again microphone is working again. There are no any sound configuration changes except kernel boot. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: alsa-base 1.0.25+dfsg-0ubuntu7 ProcVersionSignature: Ubuntu 6.14.0-29.29~24.04.1-generic 6.14.8 Uname: Linux 6.14.0-29-generic x86_64 ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 CasperMD5CheckResult: unknown Date: Mon Sep 1 17:17:54 2025 InstallationDate: Installed on 2025-08-13 (19 days ago) InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215) MachineType: ASUSTeK COMPUTER INC. VivoBook_ASUS Laptop E210MA_E210MA PackageArchitecture: all ProcEnviron: LANG=pl_PL.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color SourcePackage: alsa-driver Symptom: audio UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/07/2021 dmi.bios.release: 5.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: E210MA.308 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: E210MA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE210MA.308:bd05/07/2021:br5.13:svnASUSTeKCOMPUTERINC.:pnVivoBook_ASUSLaptopE210MA_E210MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnE210MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: ASUSLaptop dmi.product.name: VivoBook_ASUS Laptop E210MA_E210MA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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