October 2024 - Alsa-devel - mailman.alsa-project.org

ALSA problem , audio doesn't work
by GitHub issues - edited 22 Oct '24

22 Oct '24

alsa-project/alsa-lib issue #414 was edited from Kermilli: Hi, I've been having problems with audio on ubuntu on and off. I'm not a professional but everything seems to point at alsa . The pulse troubleshooting page at some point recommends to run alsa directly/bypass pulse with the command `mplayer -ao alsa:device=hw=0 yourchosentrack.mp3` which gives `[AO_ALSA] alsa-lib: pcm_hw.c:1715:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hw=0' Could not open/initialize audio device -> no sound. Audio: no sound Video: no video ` sudo pulseaudio -vvv gives `E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1""): initialization failed.` I've tried everything . The only time it worked was when I added options snd-hda-intel model=auto to /etc/modprobe.d/alsa-base.conf. , but even then it stopped working after some time when I was listening to audio. Any help would be greatly appreciated! Issue URL : https://github.com/alsa-project/alsa-lib/issues/414 Repository URL: https://github.com/alsa-project/alsa-lib

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ALSA problem , audio on/off across multiple ubuntu releases
by GitHub issues - edited 22 Oct '24

22 Oct '24

alsa-project/alsa-lib issue #414 was edited from Kermilli: Hi, I've been having problems with audio on ubuntu on and off. I'm not a professional but everything seems to point at alsa . The pulse troubleshooting page at some point recommends to run alsa directly/bypass pulse with the command `mplayer -ao alsa:device=hw=0 yourchosentrack.mp3` which gives `[AO_ALSA] alsa-lib: pcm_hw.c:1715:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hw=0' Could not open/initialize audio device -> no sound. Audio: no sound Video: no video ` sudo pulseaudio -vvv gives `E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1""): initialization failed.` I've tried everything . The only time it worked was when I added options snd-hda-intel model=auto to /etc/modprobe.d/alsa-base.conf. , but even then it stopped working after some time when I was listening to audio. Any help would be greatly appreciated! Issue URL : https://github.com/alsa-project/alsa-lib/issues/414 Repository URL: https://github.com/alsa-project/alsa-lib

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AlSA problem , audio on/off across multiple ubuntu releases
by GitHub issues - edited 22 Oct '24

22 Oct '24

alsa-project/alsa-lib issue #414 was edited from Kermilli: Hi, I've been having problems with audio on ubuntu on and off. I'm not a professional but everything seems to point at alsa . The pulse troubleshooting page at some point recommends to run alsa directly/bypass pulse with the command `mplayer -ao alsa:device=hw=0 yourchosentrack.mp3` which gives `[AO_ALSA] alsa-lib: pcm_hw.c:1715:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hw=0' Could not open/initialize audio device -> no sound. Audio: no sound Video: no video ` sudo pulseaudio -vvv gives `E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1""): initialization failed.` I've tried everything . The only time it worked was when I added options snd-hda-intel model=auto to /etc/modprobe.d/alsa-base.conf. , but even then it stopped working after some time when I was listening to audio. Any help would be greatly appreciated! Issue URL : https://github.com/alsa-project/alsa-lib/issues/414 Repository URL: https://github.com/alsa-project/alsa-lib

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AlSA problem , audio on/off across multiple ubuntu releases
by GitHub issues - edited 22 Oct '24

22 Oct '24

alsa-project/alsa-lib issue #414 was edited from Kermilli: Hi, I've been having problems with audio on ubuntu on and off. I'm not a professional but everything seems to point at alsa . The pulse troubleshooting page at some point recommends to run alsa directly/bypass pulse with the command `mplayer -ao alsa:device=hw=0 yourchosentrack.mp3` which gives `[AO_ALSA] alsa-lib: pcm_hw.c:1715:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hw=0' Could not open/initialize audio device -> no sound. Audio: no sound Video: no video ` sudo pulseaudio -vvv gives `E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1""): initialization failed.` I've tried everything . The only time it worked was when I added options snd-hda-intel model=auto to /etc/modprobe.d/alsa-base.conf. , but even then it stopped working after some time when I was listening to audio. Any help would be greatly appreciated! Issue URL : https://github.com/alsa-project/alsa-lib/issues/414 Repository URL: https://github.com/alsa-project/alsa-lib

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AlSA problem , audio on/off across multiple ubutnu
by GitHub issues - opened 22 Oct '24

22 Oct '24

alsa-project/alsa-lib issue #414 was opened from Kermilli: Hi, I've been having problems with audio on ubuntu on and off. I'm not a professional but everything seems to point at alsa . The pulse troubleshooting page at some point recommends to run alsa directly/bypass pulse with the command `mplayer -ao alsa:device=hw=0 yourchosentrack.mp3` which gives `[AO_ALSA] alsa-lib: pcm_hw.c:1715:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory [AO_ALSA] Playback open error: No such file or directory Failed to initialize audio driver 'alsa:device=hw=0' Could not open/initialize audio device -> no sound. Audio: no sound Video: no video ` sudo pulseaudio -vvv gives `E: [pulseaudio] module-alsa-card.c: Failed to find a working profile. E: [pulseaudio] module.c: Failed to load module "module-alsa-card" (argument: "device_id="1" name="pci-0000_00_1b.0" card_name="alsa_card.pci-0000_00_1b.0" namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no deferred_volume=yes use_ucm=yes avoid_resampling=no card_properties="module-udev-detect.discovered=1""): initialization failed.` I've tried everything . The only time it worked was when I added options snd-hda-intel model=auto to /etc/modprobe.d/alsa-base.conf. , but even then it stopped working after some time when I was listening to audio. Any help would be greatly appreciated! Issue URL : https://github.com/alsa-project/alsa-lib/issues/414 Repository URL: https://github.com/alsa-project/alsa-lib

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[PATCH] ASoC: rt722-sdca: increase clk_stop_timeout to fix clock stop issue
by Jack Yu 21 Oct '24

21 Oct '24

clk_stop_timeout should be increased to 900ms to fix clock stop issue. Signed-off-by: Jack Yu <jack.yu(a)realtek.com> --- sound/soc/codecs/rt722-sdca-sdw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt722-sdca-sdw.c b/sound/soc/codecs/rt722-sdca-sdw.c index 87354bb1564e..d5c985ff5ac5 100644 --- a/sound/soc/codecs/rt722-sdca-sdw.c +++ b/sound/soc/codecs/rt722-sdca-sdw.c @@ -253,7 +253,7 @@ static int rt722_sdca_read_prop(struct sdw_slave *slave) } /* set the timeout values */ - prop->clk_stop_timeout = 200; + prop->clk_stop_timeout = 900; /* wake-up event */ prop->wake_capable = 1; -- 2.34.1

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ALSA error: snd_pcm_hw_params_set_format failed: Invalid argument.
by GitHub issues - opened 21 Oct '24

21 Oct '24

alsa-project/alsa-lib issue #413 was opened from linuxandos2: Playing a flac with a samplerate higer than 96000 with audacious gives: > _ALSA error: snd_pcm_hw_params_set_format failed: Invalid argument._ Output device for audacious is hw:1.0 - USB Audio the device is a soudbaster blasterx G6. output of _cat /proc/asound/card1/stream0_ > Creative Technology Ltd Sound BlasterX G6 at usb-0000:00:14.0-4.1, high speed : > USB Audio > > Playback: > Status: Stop > Interface 1 > Altset 1 > Format: S24_3LE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 > Data packet interval: 125 us > Bits: 24 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 1 > Implicit Feedback Mode: No > Interface 1 > Altset 2 > Format: S32_LE > Channels: 2 > Endpoint: 0x01 (1 OUT) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 > Data packet interval: 125 us > Bits: 32 > Channel map: FL FR > Sync Endpoint: 0x81 (1 IN) > Sync EP Interface: 1 > Sync EP Altset: 2 > Implicit Feedback Mode: No > > Capture: > Status: Stop > Interface 2 > Altset 1 > Format: S24_3LE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 > Data packet interval: 125 us > Bits: 24 > Channel map: FL FR > Interface 2 > Altset 2 > Format: S32_LE > Channels: 2 > Endpoint: 0x82 (2 IN) (ASYNC) > Rates: 44100, 48000, 88200, 96000, 176400, 192000, 352800, 384000 > Data packet interval: 125 us > Bits: 32 > Channel map: FL FR > linux: gentoo kernel: 6.9.9-gentoo-x86_64 alsa-lib-1.2.12 alsa-topology-conf-1.2.5.1 alsa-ucm-conf-1.2.12 alsa-plugins-1.2.12 alsa-utils-1.2.12 selecting > pulse - PulseAudio Sound Server in audacious results in no sound and audacious hangs. Pipewire and wireplumber are used. On an old gentoo- system on another partition all samplerates play successfully. kernel: linux-6.8.1-gentoo the versions of alsa are: alsa-lib-1.2.10-r2 alsa-topology-conf-1.2.5.1 alsa-ucm-conf-1.2.10-r1 alsa-plugins-1.2.7.1-r1 alsa-utils-1.2.10-r1 On the new system the 'old' kernel linux-6.8.1-gentoo is also available. Rolled back alsa-lib from alsa-lib-1.2.12 to alsa-lib-1.2.10 and booted kernel kernel linux-6.8.1-gentoo Still same problem. Issue URL : https://github.com/alsa-project/alsa-lib/issues/413 Repository URL: https://github.com/alsa-project/alsa-lib

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[PATCH] ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()
by Andrey Shumilin 21 Oct '24

21 Oct '24

The step variable is initialized to zero. It is changed in the loop, but if it's not changed it will remain zero. Add a variable check before the division. The observed behavior was introduced by commit 826b5de90c0b ("ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size"), and it is difficult to show that any of the interval parameters will satisfy the snd_interval_test() condition with data from the amdtp_rate_table[] table. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 826b5de90c0b ("ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size") Signed-off-by: Andrey Shumilin <shum.sdl(a)nppct.ru> --- sound/firewire/amdtp-stream.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 4e2f2bb7879f..6c45ee3545f9 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -163,6 +163,9 @@ static int apply_constraint_to_size(struct snd_pcm_hw_params *params, step = max(step, amdtp_syt_intervals[i]); } + if (step == 0) + return -EINVAL; + t.min = roundup(s->min, step); t.max = rounddown(s->max, step); t.integer = 1; -- 2.30.2

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snd_pcm_hw_open open '/dev/snd/pcmC0D0p' failed (-16)
by GitHub issues - edited 21 Oct '24

21 Oct '24

alsa-project/alsa-lib issue #412 was edited from SVENsuzhou: Hi, I am using pjsip to make a sip call function. But I got the following error in alsa-lib. ``` Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.315 pjsua_call.c !Answering call 0: code=200 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.315 inv0x7f989c003fc8 ..SDP negotiation done: Success Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_media.c ...Call 0: updating media.. Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_media.c .....Media stream call00:0 is destroyed Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 udp0x7f989c010710 ....UDP media transport started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_aud.c ....Audio channel update.. Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 udp0x7f989c010710 .....UDP media transport attached Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 strm0x5559ce2eb538 .....Encoder stream started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 strm0x5559ce2eb538 .....Decoder stream started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_media.c ....Audio updated, stream #0: PCMA (sendrecv) Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c ...Conf connect: 1 --> 0 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c ....Set sound device: capture=-1, playback=-2, mode=0, use_default_settings=0 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@16000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@44100/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: start media transmit failed: pjsua_conf_connect(id, sink.id) error: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) (status=420002) [/usr/src/debug/pjproject/2.14.1/pjsip/src/pjsua2/media.cpp:218] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@48000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@32000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@16000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@8000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 pjsua_aud.c .....Unable to open sound device: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) [status=420002] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 pjsua_aud.c ....Error opening sound device: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) [status=420002] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 media.cpp ...pjsua_conf_connect(id, sink.id) error: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) (status=420002) [/usr/src/debug/pjproject/2.14.1/pjsip/src/pjsua2/media.cpp:218] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.321 pjsua_core.c ....TX 966 bytes Response msg 200/INVITE/cseq=30946 (tdta0x5559ce2e7378) to UDP 10.57.0.200:5060: Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: SIP/2.0 200 OK Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: Via: SIP/2.0/UDP 10.57.0.200:5060;rport=5060;received=10.57.0.200;branch=z9hG4bKPje5a12777-db72-4db0-a5a5-a72743589a27 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: Call-ID: 0bc91889-099c-42de-beb2-4fedefac6e7f Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: answer incoming call, remote uri: <sip:passenger_pei@10.57.0.200>, state: CONNECTING Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: From: <sip:passenger_pei@10.57.0.200>;tag=9efc50b5-c57a-4aa7-823e-2c3df064a27c ``` ``` root@tos-hmi-02:~# dmesg | grep snd [ 16.251073] snd_hda_intel 0000:00:0e.0: DSP detected with PCI class/subclass/prog-if info 0x040380 [ 16.261081] snd_hda_intel 0000:00:0e.0: bound 0000:00:02.0 (ops 0xffffffff8df312a0) [ 16.351558] snd_hda_codec_idt hdaudioC0D0: autoconfig for 92HD89D3: line_outs=3 (0xd/0xf/0x10/0x0/0x0) type:line [ 16.362460] snd_hda_codec_idt hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 16.362470] snd_hda_codec_idt hdaudioC0D0: hp_outs=1 (0xa/0x0/0x0/0x0/0x0) [ 16.362476] snd_hda_codec_idt hdaudioC0D0: mono: mono_out=0x0 [ 16.383430] snd_hda_codec_idt hdaudioC0D0: dig-out=0x22/0x23 [ 16.383447] snd_hda_codec_idt hdaudioC0D0: inputs: [ 16.383452] snd_hda_codec_idt hdaudioC0D0: Internal Mic=0x14 [ 16.383455] snd_hda_codec_idt hdaudioC0D0: Rear Mic=0xe [ 16.383459] snd_hda_codec_idt hdaudioC0D0: Front Mic=0xb [ 16.383461] snd_hda_codec_idt hdaudioC0D0: Internal Mic=0x13 [ 16.383464] snd_hda_codec_idt hdaudioC0D0: Line=0xc [ 16.383466] snd_hda_codec_idt hdaudioC0D0: CD=0x12 [ 16.383469] snd_hda_codec_idt hdaudioC0D0: dig-in=0x24 ``` I try to use `lsof /dev/snd/*` to check which process hold the file handle. And I got nothing. Can you give me some leads on troubleshooting? Issue URL : https://github.com/alsa-project/alsa-lib/issues/412 Repository URL: https://github.com/alsa-project/alsa-lib

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snd_pcm_hw_open open '/dev/snd/pcmC0D0p' failed (-16)
by GitHub issues - opened 21 Oct '24

21 Oct '24

alsa-project/alsa-lib issue #412 was opened from SVENsuzhou: Hi, I am using pjsip to make a sip call function. But I got the following error in alsa-lib. ``` Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.315 pjsua_call.c !Answering call 0: code=200 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.315 inv0x7f989c003fc8 ..SDP negotiation done: Success Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_media.c ...Call 0: updating media.. Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_media.c .....Media stream call00:0 is destroyed Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 udp0x7f989c010710 ....UDP media transport started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 pjsua_aud.c ....Audio channel update.. Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.316 udp0x7f989c010710 .....UDP media transport attached Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 strm0x5559ce2eb538 .....Encoder stream started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 strm0x5559ce2eb538 .....Decoder stream started Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_media.c ....Audio updated, stream #0: PCMA (sendrecv) Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c ...Conf connect: 1 --> 0 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c ....Set sound device: capture=-1, playback=-2, mode=0, use_default_settings=0 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.317 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@16000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@44100/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: start media transmit failed: pjsua_conf_connect(id, sink.id) error: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) (status=420002) [/usr/src/debug/pjproject/2.14.1/pjsip/src/pjsua2/media.cpp:218] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.318 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@48000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@32000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@16000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.319 pjsua_aud.c .....Opening sound device (speaker + mic) PCM@8000/1/20ms Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 alsa_dev.c ......ALSA lib /usr/src/debug/alsa-lib/1.2.11/src/pcm/pcm_hw.c:1785:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-16): Device o Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 pjsua_aud.c .....Unable to open sound device: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) [status=420002] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 pjsua_aud.c ....Error opening sound device: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) [status=420002] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.320 media.cpp ...pjsua_conf_connect(id, sink.id) error: Unknown error from audio driver (PJMEDIA_EAUD_SYSERR) (status=420002) [/usr/src/debug/pjproject/2.14.1/pjsip/src/pjsua2/media.cpp:218] Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: 08:14:36.321 pjsua_core.c ....TX 966 bytes Response msg 200/INVITE/cseq=30946 (tdta0x5559ce2e7378) to UDP 10.57.0.200:5060: Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: SIP/2.0 200 OK Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: Via: SIP/2.0/UDP 10.57.0.200:5060;rport=5060;received=10.57.0.200;branch=z9hG4bKPje5a12777-db72-4db0-a5a5-a72743589a27 Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: Call-ID: 0bc91889-099c-42de-beb2-4fedefac6e7f Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: answer incoming call, remote uri: <sip:passenger_pei@10.57.0.200>, state: CONNECTING Oct 21 08:14:36 tos-hmi-02 ads_uartboardd[1404]: From: <sip:passenger_pei@10.57.0.200>;tag=9efc50b5-c57a-4aa7-823e-2c3df064a27c ``` I try to use `lsof /dev/snd/*` to check which process hold the file handle. And I got nothing. Can you give me some leads on troubleshooting? Issue URL : https://github.com/alsa-project/alsa-lib/issues/412 Repository URL: https://github.com/alsa-project/alsa-lib

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