Dear developers,
I'm sorry if I write to the wrong list but I just catched several log
messages that I was advised to report as a bug to you, the ALSA developers.
I'm not experiencing any sound problems by ear, just found these
messages in the syslog (via logcheck).
Ran the alsa-info_alsa-info.sh shell script and its output can be found
here:
http://www.alsa-project.org/db/?f=d9b579a048b94cdc71e619c4deac60e4c8228dbb
The log messages in question read as follows:
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: snd_pcm_avail() navrátil hodnotu, která je nezvykle vysoká: 570108 bajtů (3231 ms).
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: S největší pravděpodobností se jedná o chybu v ovladači ALSA "snd_hda_intel". Nahlaste prosím tento problém vývojářům ALSA.
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: snd_pcm_dump():
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Soft volume PCM
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Control: PCM Playback Volume
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: min_dB: -51
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: max_dB: 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: resolution: 256
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Its setup is:
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stream : PLAYBACK
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: access : MMAP_INTERLEAVED
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: format : S16_LE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: subformat : STD
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: channels : 2
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: rate : 44100
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: exact rate : 44100 (44100/1)
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: msbits : 16
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: buffer_size : 16384
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_size : 8192
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_time : 185759
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_mode : ENABLE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_type : MONOTONIC
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_step : 1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: avail_min : 15802
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_event : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: start_threshold : -1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stop_threshold : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_threshold: 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_size : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: boundary : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Its setup is:
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stream : PLAYBACK
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: access : MMAP_INTERLEAVED
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: format : S16_LE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: subformat : STD
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: channels : 2
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: rate : 44100
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: exact rate : 44100 (44100/1)
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: msbits : 16
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: buffer_size : 16384
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_size : 8192
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_time : 185759
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_mode : ENABLE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_type : MONOTONIC
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_step : 1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: avail_min : 15802
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_event : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: start_threshold : -1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stop_threshold : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_threshold: 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_size : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: boundary : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: appl_ptr : 95068169
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: hw_ptr : 95194312
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: snd_pcm_delay() navrátil hodnotu, která je nezvykle vysoká: -454064 bajtů (-2574 ms).
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: S největší pravděpodobností se jedná o chybu v ovladači ALSA "snd_hda_intel". Nahlaste prosím tento problém vývojářům ALSA.
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: snd_pcm_dump():
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Soft volume PCM
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Control: PCM Playback Volume
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: min_dB: -51
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: max_dB: 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: resolution: 256
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Its setup is:
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stream : PLAYBACK
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: access : MMAP_INTERLEAVED
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: format : S16_LE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: subformat : STD
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: channels : 2
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: rate : 44100
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: exact rate : 44100 (44100/1)
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: msbits : 16
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: buffer_size : 16384
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_size : 8192
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_time : 185759
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_mode : ENABLE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_type : MONOTONIC
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_step : 1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: avail_min : 15802
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_event : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: start_threshold : -1
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stop_threshold : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_threshold: 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_size : 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: boundary : 4611686018427387904
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: Its setup is:
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stream : PLAYBACK
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: access : MMAP_INTERLEAVED
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: format : S16_LE
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: subformat : STD
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: channels : 2
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: rate : 44100
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: exact rate : 44100 (44100/1)
Jan 24 07:01:25 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: msbits : 16
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: buffer_size : 16384
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_size : 8192
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_time : 185759
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_mode : ENABLE
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: tstamp_type : MONOTONIC
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_step : 1
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: avail_min : 15802
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: period_event : 0
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: start_threshold : -1
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: stop_threshold : 4611686018427387904
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_threshold: 0
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: silence_size : 0
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: boundary : 4611686018427387904
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: appl_ptr : 95099921
Jan 24 07:01:26 ideapad-310 pulseaudio[2724]: [alsa-sink-CX20751/2 Analog] alsa-util.c: hw_ptr : 95213480
I'd be happy to help you solving this issue if not known already. Please
feel free to ask for whatever information you'd need.
Pavel Řezníček A. K. A. Cigydd
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