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b=y4ygsr4+8dQRqmtnvJGBkN3wMp7G7UN+1MtirJUNTKOqGHPgU/fCtAeisfeCanYSCAYVsi Sv0CskFgzenFSYCw== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 41558136CC; Tue, 20 Oct 2026 07:02:47 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id jdvyBhcS12rMYgAAD6G6ig (envelope-from ); Tue, 20 Oct 2026 07:02:47 +0000 Date: Tue, 20 Oct 2026 09:02:46 +0200 Message-ID: <87pkx4j1m1.wl-tiwai@suse.de> From: Takashi Iwai To: kernel@florianmueller.de Cc: linux-sound@vger.kernel.org, tiwai@suse.de, perex@perex.cz, regressions@lists.linux.dev Subject: Re: [REGRESSION] ALSA: hda/intel: "no codecs initialized" (CORB reset timeout) on Acer Aspire 4820G since v6.16 In-Reply-To: <184896de-1e21-4abb-a224-eda0b5bddfc6@florianmueller.de> References: <184896de-1e21-4abb-a224-eda0b5bddfc6@florianmueller.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/30.2 Mule/6.0 X-Mailing-List: regressions@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Spam-Flag: NO X-Spam-Score: 0.29 X-Spamd-Bar: / X-Rspamd-Queue-Id: 8D9071F44E X-Spam-Level: X-Rspamd-Action: no action X-Spamd-Result: default: False [0.29 / 50.00]; SEM_URIBL(3.50)[ubuntu.com:url]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.999]; BAD_REP_POLICIES(0.10)[]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; R_DKIM_ALLOW(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; DNSWL_BLOCKED(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,imap1.dmz-prg2.suse.org:rdns,launchpad.net:url,suse.de:dkim] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org On Mon, 19 Oct 2026 21:18:02 +0200, kernel@florianmueller.de wrote: > > Hello, > > the internal HDA codec (Realtek ALC269VB) of my Acer Aspire 4820G is no > longer detected since v6.16. Only the HDMI audio of the Radeon remains, > so the built-in speakers are silent. Everything up to v6.15.11 works > (actually between 6.9 and 6.15.11 - 6.8 also does not work). Since HDMI audio is tied to both HD-audio and graphics drivers, it's hard to tell, unfortunately. Could you try git-bisect to find out the culprit commit? Takashi > > Hardware >   - Acer Aspire 4820G (2010), BIOS V1.25 >   - Intel PCH HDA controller 0000:00:1b.0, codec Realtek ALC269VB >   - Switchable graphics: Intel (i915) + ATI Radeon (radeon), vga_switcheroo >   - ATI HDMI audio at 0000:01:00.1 > > Setup >   Xubuntu 26.04.1; kernels are the Ubuntu mainline builds from >   kernel.ubuntu.com/mainline (6.16.0-061600-generic etc.), except >   6.8.0-147-generic (Ubuntu). Kernel command line: quiet splash. >   Every test was a full reboot, a subset of them cold boots (power off). >   The pattern is fully consistent and reproducible. > > Results >   good: 6.9.12, 6.11.11, 6.12.113, 6.14.11, 6.15.11 >   bad:  6.16.0, 6.16.12, 6.18.57, 7.0.0-38 >   also bad: 6.8.0-147 (Ubuntu), but 6.9.12 is good, so that could be an >   older, separate or related problem that was fixed for 6.9. >   No 6.16-rc builds were available in the archive, so I could not narrow >   it down further than v6.15.11 (good) -> v6.16.0 (bad). > > Log on bad kernels (6.16.0) >   snd_hda_intel 0000:00:1b.0: number of I/O streams is 30, forcing > separate stream tags >   snd_hda_intel 0000:00:1b.0: CORB reset timeout#2, CORBRP = 65535 >   hdaudio hdaudioC1D0: no AFG or MFG node found >   (same for hdaudioC1D1, C1D2, C1D3) >   snd_hda_intel 0000:00:1b.0: no codecs initialized > > Log on good kernels (6.15.11) >   The "number of I/O streams is 30" line is not printed, and >   snd_hda_codec_realtek binds: >   snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC269VB: > line_outs=1 ... > > Observation >   "30 streams" is what one would get from a GCAP value of 0xFFFF >   (ISS = OSS = 15), and CORBRP = 65535 is also all ones. This looks like >   the controller is not accessible (or still in reset/low power) when the >   driver probes it on 6.16 and later. This is only my interpretation of >   the numbers - please ignore, if it does not make sense. > > Attached: dmesg (hda|codec|CORB), uname -r and aplay -l for 6.8.0, > 6.9.12, 6.15.11, > 6.16.0, 6.18.57 and 7.0.0, plus alsa-info and lspci -nnk. > > I am happy to test patches or answer questions. > > One thing that we get to say to rarely: > Thank you very much to you and all the kernel developers for the great > work and great dedication to FOSS software! > > Thanks, > Florian > ~$ uname -r > 6.8.0-147-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 18.091190] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 18.091570] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) > [ 18.092098] snd_hda_intel 0000:00:1b.0: number of I/O streams is 30, forcing separate stream tags > [ 18.196646] snd_hda_intel 0000:00:1b.0: CORB reset timeout#2, CORBRP = 65535 > [ 18.208215] hdaudio hdaudioC0D0: no AFG or MFG node found > [ 18.208240] hdaudio hdaudioC0D1: no AFG or MFG node found > [ 18.208254] hdaudio hdaudioC0D2: no AFG or MFG node found > [ 18.208266] hdaudio hdaudioC0D3: no AFG or MFG node found > [ 18.208270] snd_hda_intel 0000:00:1b.0: no codecs initialized > [ 19.914898] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 19.985798] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 20.018723] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input16 > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 0: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ uname -r > 6.9.12-060912-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 8.489918] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 8.509215] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 8.532525] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 8.533963] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input14 > [ 8.700320] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) > [ 8.752819] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC269VB: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker > [ 8.752834] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) > [ 8.752839] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0) > [ 8.752843] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 > [ 8.752846] snd_hda_codec_realtek hdaudioC1D0: dig-out=0x1e/0x0 > [ 8.752848] snd_hda_codec_realtek hdaudioC1D0: inputs: > [ 8.752852] snd_hda_codec_realtek hdaudioC1D0: Mic=0x18 > [ 8.752855] snd_hda_codec_realtek hdaudioC1D0: Internal Mic=0x12 > [ 8.776195] input: HDA Intel MID Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input17 > [ 8.776827] input: HDA Intel MID Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input18 > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 0: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > Karte 1: MID [HDA Intel MID], Gerät 0: ALC269VB Analog [ALC269VB Analog] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > Karte 1: MID [HDA Intel MID], Gerät 1: ALC269VB Digital [ALC269VB Digital] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ uname -r > 6.15.11-061511-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 10.356203] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 10.356988] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 10.375145] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 10.375865] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915]) > [ 10.376734] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input16 > [ 10.539973] snd_hda_codec_realtek hdaudioC1D0: ALC269VB: picked fixup for PCI SSID 1025:0000 > [ 10.541278] snd_hda_codec_realtek hdaudioC1D0: autoconfig for ALC269VB: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker > [ 10.541291] snd_hda_codec_realtek hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) > [ 10.541296] snd_hda_codec_realtek hdaudioC1D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0) > [ 10.541300] snd_hda_codec_realtek hdaudioC1D0: mono: mono_out=0x0 > [ 10.541303] snd_hda_codec_realtek hdaudioC1D0: dig-out=0x1e/0x0 > [ 10.541306] snd_hda_codec_realtek hdaudioC1D0: inputs: > [ 10.541309] snd_hda_codec_realtek hdaudioC1D0: Internal Mic=0x12 > [ 10.541313] snd_hda_codec_realtek hdaudioC1D0: Mic=0x18 > [ 10.853762] input: HDA Intel MID Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input17 > [ 10.853978] input: HDA Intel MID Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input18 > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 0: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > Karte 1: MID [HDA Intel MID], Gerät 0: ALC269VB Analog [ALC269VB Analog] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > Karte 1: MID [HDA Intel MID], Gerät 1: ALC269VB Digital [ALC269VB Digital] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ uname -r > 6.16.0-061600-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 8.587748] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 8.590394] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 8.614173] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 8.615630] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input14 > [ 9.641195] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915]) > [ 9.642145] snd_hda_intel 0000:00:1b.0: number of I/O streams is 30, forcing separate stream tags > [ 9.746677] snd_hda_intel 0000:00:1b.0: CORB reset timeout#2, CORBRP = 65535 > [ 9.748114] hdaudio hdaudioC1D0: no AFG or MFG node found > [ 9.748140] hdaudio hdaudioC1D1: no AFG or MFG node found > [ 9.748154] hdaudio hdaudioC1D2: no AFG or MFG node found > [ 9.748167] hdaudio hdaudioC1D3: no AFG or MFG node found > [ 9.748172] snd_hda_intel 0000:00:1b.0: no codecs initialized > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 0: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ uname -r > 6.18.57-061857-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 9.361118] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 9.392794] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915]) > [ 9.393187] snd_hda_intel 0000:00:1b.0: number of I/O streams is 30, forcing separate stream tags > [ 9.402281] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 9.431922] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 9.497770] snd_hda_intel 0000:00:1b.0: CORB reset timeout#2, CORBRP = 65535 > [ 9.502431] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input15 > [ 9.502617] hdaudio hdaudioC0D0: no AFG or MFG node found > [ 9.502636] hdaudio hdaudioC0D1: no AFG or MFG node found > [ 9.502647] hdaudio hdaudioC0D2: no AFG or MFG node found > [ 9.502657] hdaudio hdaudioC0D3: no AFG or MFG node found > [ 9.502661] snd_hda_intel 0000:00:1b.0: no codecs initialized > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 1: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ uname -r > 7.0.0-38-generic > ~$ sudo dmesg | grep -i -E "hda|codec|CORB" > [sudo: authenticate] Passwort: > [ 8.881157] snd_hda_intel 0000:00:1b.0: enabling device (0000 -> 0002) > [ 8.881582] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops intel_audio_component_bind_ops [i915]) > [ 8.884669] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client > [ 8.886046] snd_hda_intel 0000:00:1b.0: number of I/O streams is 30, forcing separate stream tags > [ 8.984401] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops radeon_audio_component_bind_ops [radeon]) > [ 8.991482] snd_hda_intel 0000:00:1b.0: CORB reset timeout#2, CORBRP = 65535 > [ 8.995216] hdaudio hdaudioC0D0: no AFG or MFG node found > [ 8.995246] hdaudio hdaudioC0D1: no AFG or MFG node found > [ 8.995261] hdaudio hdaudioC0D2: no AFG or MFG node found > [ 8.995273] hdaudio hdaudioC0D3: no AFG or MFG node found > [ 8.995279] snd_hda_intel 0000:00:1b.0: no codecs initialized > [ 9.036115] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input16 > ~$ aplay -l > **** Liste der Hardware-Geräte (PLAYBACK) **** > Karte 1: HDMI [HDA ATI HDMI], Gerät 3: HDMI 0 [HDMI 0] > Sub-Geräte: 1/1 > Sub-Gerät #0: subdevice #0 > ~$ lspci -nnk > 00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 18) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 00:01.0 PCI bridge [0604]: Intel Corporation Core Processor PCI Express x16 Root Port [8086:0045] (rev 18) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: pcieport > 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: i915 > Kernel modules: i915 > 00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: mei_me > Kernel modules: mei_me > 00:1a.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: ehci-pci > 00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b56] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: snd_hda_intel > Kernel modules: snd_hda_intel > 00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: pcieport > 00:1c.5 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 [8086:3b4c] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: pcieport > 00:1d.0 USB controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: ehci-pci > 00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a5) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 00:1f.0 ISA bridge [0601]: Intel Corporation HM55 Chipset LPC Interface Controller [8086:3b09] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: lpc_ich > Kernel modules: lpc_ich > 00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller [8086:3b29] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: ahci > Kernel modules: ahci > 00:1f.3 SMBus [0c05]: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller [8086:3b30] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: i801_smbus > Kernel modules: i2c_i801 > 00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: intel ips > Kernel modules: intel_ips > 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M] [1002:68c1] > Subsystem: Acer Incorporated [ALI] Mobility Radeon HD 5650 [1025:0359] > Kernel driver in use: radeon > Kernel modules: radeon, amdgpu > 01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Redwood HDMI Audio [Radeon HD 5000 Series] [1002:aa60] > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: snd_hda_intel > Kernel modules: snd_hda_intel > 02:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v1.0 Gigabit Ethernet [1969:1073] (rev c0) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > Kernel driver in use: atl1c > Kernel modules: atl1c > 03:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev bb) > Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [Wilkins Peak 2] [8086:4470] > Kernel driver in use: iwlwifi > Kernel modules: iwlwifi > 7f:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 7f:00.1 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture System Address Decoder [8086:2d01] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 7f:02.0 Host bridge [0600]: Intel Corporation Core Processor QPI Link 0 [8086:2d10] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 7f:02.1 Host bridge [0600]: Intel Corporation 1st Generation Core i3/5/7 Processor QPI Physical 0 [8086:2d11] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 7f:02.2 Host bridge [0600]: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved [8086:2d12] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 7f:02.3 Host bridge [0600]: Intel Corporation 1st Generation Core i3/5/7 Processor Reserved [8086:2d13] (rev 05) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > upload=true&script=true&cardinfo= > !!################################ > !!ALSA Information Script v 0.5.3 > !!################################ > > !!Script ran on: Mon Oct 19 19:03:24 UTC 2026 > > > !!Linux Distribution > !!------------------ > > Ubuntu 26.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 26.04.1 LTS" PRETTY_NAME="Ubuntu 26.04.1 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian 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=resolute LOGO=ubuntu-logo > > > !!DMI Information > !!--------------- > > Manufacturer: Acer > Product Name: Aspire 4820G > Product Version: V1.25 > Firmware Version: V1.25 > System SKU: Calpella_CRB > Board Vendor: Acer > Board Name: JM41_CP > > > !!ACPI Device Status Information > !!--------------- > > /sys/bus/acpi/devices/LNXVIDEO:02/status 15 > /sys/bus/acpi/devices/PNP0103:00/status 15 > /sys/bus/acpi/devices/PNP0C0A:00/status 31 > /sys/bus/acpi/devices/PNP0C0F:00/status 9 > /sys/bus/acpi/devices/PNP0C0F:01/status 9 > /sys/bus/acpi/devices/PNP0C0F:02/status 9 > /sys/bus/acpi/devices/PNP0C0F:03/status 9 > /sys/bus/acpi/devices/PNP0C0F:04/status 9 > /sys/bus/acpi/devices/PNP0C0F:05/status 9 > /sys/bus/acpi/devices/PNP0C0F:06/status 9 > /sys/bus/acpi/devices/PNP0C0F:07/status 9 > > > !!ACPI SoundWire Device Status Information > !!--------------- > > > > !!Kernel Information > !!------------------ > > Kernel release: #202507272138 SMP PREEMPT_DYNAMIC Sun Jul 27 22:00:36 UTC 2025 > Operating System: GNU/Linux > Architecture: x86_64 > Processor: unknown > SMP Enabled: Yes > > > !!ALSA Version > !!------------ > > Driver version: k6.16.0-061600-generic > Library version: > Utilities version: 1.2.15.2 > > > !!Loaded ALSA modules > !!------------------- > > snd_hda_intel (card 0) > > > !!Sound Servers on this system > !!---------------------------- > > PipeWire: > Installed - Yes (/usr/bin/pipewire) > Running - Yes > > Pulseaudio: > Installed - Yes (/usr/bin/pulseaudio) > Running - No > > > !!Soundcards recognised by ALSA > !!----------------------------- > > 0 [HDMI ]: HDA-Intel - HDA ATI HDMI > HDA ATI HDMI at 0xdc420000 irq 29 > > > !!PCI Soundcards installed in the system > !!-------------------------------------- > > 00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b56] (rev 05) (prog-if 00 [HDA compatible]) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > 01:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Redwood HDMI Audio [Radeon HD 5000 Series] [1002:aa60] (prog-if 00 [HDA compatible]) > Subsystem: Acer Incorporated [ALI] Device [1025:0359] > > > !!Modprobe options (Sound related) > !!-------------------------------- > > snd_pcsp: 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 > > > !!Loaded sound module options > !!--------------------------- > > !!Module: snd_hda_intel > align_buffer_size : -1 > bdl_pos_adj : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 > beep_mode : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N > ctl_dev_id : N > dmic_detect : Y > enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y > enable_msi : -1 > id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) > index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 > jackpoll_ms : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 > model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) > patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) > pm_blacklist : -1 > position_fix : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 > power_save : 1 > power_save_controller : Y > probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 > probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 > single_cmd : -1 > snoop : -1 > > > !!Sysfs card info > !!--------------- > > !!Card: /sys/class/sound/card0 > Driver: /sys/bus/pci/drivers/snd_hda_intel > Tree: > /sys/class/sound/card0 > |-- controlC0 > | |-- dev > | |-- device -> ../../card0 > | |-- power > | |-- subsystem -> ../../../../../../../class/sound > | `-- uevent > |-- device -> ../../../0000:01:00.1 > |-- hwC0D0 > | |-- afg > | |-- chip_name > | |-- clear > | |-- dev > | |-- device -> ../../card0 > | |-- driver_pin_configs > | |-- hints > | |-- init_pin_configs > | |-- init_verbs > | |-- mfg > | |-- modelname > | |-- power > | |-- power_off_acct > | |-- power_on_acct > | |-- reconfig > | |-- revision_id > | |-- subsystem -> ../../../../../../../class/sound > | |-- subsystem_id > | |-- uevent > | |-- user_pin_configs > | |-- vendor_id > | `-- vendor_name > |-- id > |-- input14 > | |-- capabilities > | |-- device -> ../../card0 > | |-- event7 > | |-- id > | |-- inhibited > | |-- modalias > | |-- name > | |-- phys > | |-- power > | |-- properties > | |-- subsystem -> ../../../../../../../class/input > | |-- uevent > | `-- uniq > |-- number > |-- pcmC0D3p > | |-- dev > | |-- device -> ../../card0 > | |-- pcm_class > | |-- power > | |-- subsystem -> ../../../../../../../class/sound > | `-- uevent > |-- power > | |-- async > | |-- autosuspend_delay_ms > | |-- control > | |-- runtime_active_kids > | |-- runtime_active_time > | |-- runtime_enabled > | |-- runtime_status > | |-- runtime_suspended_time > | `-- runtime_usage > |-- subsystem -> ../../../../../../class/sound > `-- uevent > > > !!HDA-Intel Codec information > !!--------------------------- > --startcollapse-- > > Codec: ATI R6xx HDMI > Address: 0 > AFG Function Id: 0x1 (unsol 0) > Vendor Id: 0x1002aa01 > Subsystem Id: 0x00aa0100 > Revision Id: 0x100200 > No Modem Function Group found > Default PCM: > rates [0x70]: 32000 44100 48000 > bits [0x2]: 16 > formats [0x1]: PCM > Default Amp-In caps: N/A > Default Amp-Out caps: N/A > State of AFG node 0x01: > Power states: D0 D3 > Power: setting=D0, actual=D0 > GPIO: io=0, o=0, i=0, unsolicited=0, wake=0 > Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital > Converter: stream=0, channel=0 > Digital: Enabled GenLevel > Digital category: 0x2 > IEC Coding Type: 0x0 > Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital > Pincap 0x00000094: OUT Detect HDMI > Pin Default 0x18560010: [Jack] Digital Out at Int HDMI > Conn = Digital, Color = Unknown > DefAssociation = 0x1, Sequence = 0x0 > Pin-ctls: 0x40: OUT > Unsolicited: tag=00, enabled=0 > Connection: 1 > 0x02 > --endcollapse-- > > > !!ALSA Device nodes > !!----------------- > > crw-rw----+ 1 root audio 116, 4 Oct 19 20:23 /dev/snd/controlC0 > crw-rw----+ 1 root audio 116, 3 Oct 19 20:23 /dev/snd/hwC0D0 > crw-rw----+ 1 root audio 116, 2 Oct 19 20:23 /dev/snd/pcmC0D3p > crw-rw----+ 1 root audio 116, 1 Oct 19 20:23 /dev/snd/seq > crw-rw----+ 1 root audio 116, 33 Oct 19 20:23 /dev/snd/timer > > /dev/snd/by-path: > total 0 > drwxr-xr-x 2 root root 60 Oct 19 20:23 . > drwxr-xr-x 3 root root 160 Oct 19 20:23 .. > lrwxrwxrwx+ 1 root root 12 Oct 19 20:23 pci-0000:01:00.1 -> ../controlC0 > > > !!Aplay/Arecord output > !!-------------------- > > APLAY > > **** List of PLAYBACK Hardware Devices **** > card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > ARECORD > > **** List of CAPTURE Hardware Devices **** > > !!Amixer output > !!------------- > > !!-------Mixer controls for card HDMI > > Card sysdefault:0 'HDMI'/'HDA ATI HDMI at 0xdc420000 irq 29' > Mixer name : 'ATI R6xx HDMI' > Components : 'HDA:1002aa01,00aa0100,00100200' > Controls : 7 > Simple ctrls : 1 > Simple mixer control 'IEC958',0 > Capabilities: pswitch pswitch-joined > Playback channels: Mono > Mono: Playback [on] > > > !!Alsactl output > !!-------------- > > --startcollapse-- > state.HDMI { > control.1 { > iface CARD > name 'HDMI/DP,pcm=3 Jack' > value false > comment { > access read > type BOOLEAN > count 1 > } > } > control.2 { > iface MIXER > name 'IEC958 Playback Con Mask' > value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' > comment { > access read > type IEC958 > count 1 > } > } > control.3 { > iface MIXER > name 'IEC958 Playback Pro Mask' > value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' > comment { > access read > type IEC958 > count 1 > } > } > control.4 { > iface MIXER > name 'IEC958 Playback Default' > value '0482000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' > comment { > access 'read write' > type IEC958 > count 1 > } > } > control.5 { > iface MIXER > name 'IEC958 Playback Switch' > value true > comment { > access 'read write' > type BOOLEAN > count 1 > } > } > control.6 { > iface PCM > device 3 > name ELD > value '' > comment { > access 'read volatile' > type BYTES > count 0 > } > } > control.7 { > iface PCM > device 3 > name 'Playback Channel Map' > value.0 0 > value.1 0 > value.2 0 > value.3 0 > value.4 0 > value.5 0 > value.6 0 > value.7 0 > comment { > access 'read write volatile' > type INTEGER > count 8 > range '0 - 36' > } > } > } > --endcollapse-- > > > !!All Loaded Modules > !!------------------ > > acer_wmi > ahci > amdgpu > amdxcp > at24 > atl1c > autofs4 > binfmt_misc > bluetooth > bnep > btbcm > btintel > btmtk > btrtl > btusb > ccm > cec > cfg80211 > coretemp > dmi_sysfs > drm_buddy > drm_display_helper > drm_exec > drm_panel_backlight_quirks > drm_suballoc_helper > drm_ttm_helper > efi_pstore > gpu_sched > i2c_algo_bit > i2c_i801 > i2c_mux > i2c_smbus > i915 > input_leds > intel_cstate > intel_ips > intel_powerclamp > irqbypass > iwlmvm > iwlwifi > joydev > kvm > kvm_intel > libahci > libarc4 > lp > lpc_ich > mac80211 > mac_hid > mc > mei > mei_me > mei_pxp > msr > option > parport > platform_profile > ppdev > psmouse > qrtr > radeon > rc_core > rfcomm > sch_fq_codel > serio_raw > sha1_ssse3 > snd > snd_hda_codec > snd_hda_codec_hdmi > snd_hda_core > snd_hda_intel > snd_hrtimer > snd_hwdep > snd_intel_dspcfg > snd_intel_sdw_acpi > snd_pcm > snd_rawmidi > snd_seq > snd_seq_device > snd_seq_dummy > snd_seq_midi > snd_seq_midi_event > snd_timer > soundcore > sparse_keymap > ttm > usb_storage > usb_wwan > usbserial > uvc > uvcvideo > video > videobuf2_common > videobuf2_memops > videobuf2_v4l2 > videobuf2_vmalloc > videodev > wmi > wmi_bmof > > > !!Sysfs Files > !!----------- > > /sys/class/sound/hwC0D0/init_pin_configs: > 0x03 0x18560010 > > /sys/class/sound/hwC0D0/driver_pin_configs: > > /sys/class/sound/hwC0D0/user_pin_configs: > > /sys/class/sound/hwC0D0/init_verbs: > > /sys/class/sound/hwC0D0/hints: > > > !!ALSA/HDA dmesg > !!-------------- > > > > !!Packages installed > !!-------------------- > > ii alsa-topology-conf 1.2.5.1-3build1 all ALSA topology configuration files > ii alsa-ucm-conf 1.2.15.3-1ubuntu1.7 all ALSA Use Case Manager configuration files > ii alsa-utils 1.2.15.2-1ubuntu1 amd64 Utilities for configuring and using ALSA >