После очередного обновления Убунты пропал звук на стандартной аудиокарте HDA-Intel (Realtek ALC861). Ни проверка логов пульсы, ни мплейер не нашли ничего. Вот отрывок из сислога:
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: snd_pcm_avail_delay() returned strange values: delay 0 is less than avail 16.
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: snd_pcm_dump():
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Soft volume PCM
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Control: PCM Playback Volume
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: min_dB: -51
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: max_dB: 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: resolution: 256
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Its setup is:
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: stream : CAPTURE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: access : MMAP_INTERLEAVED
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: format : S16_LE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: subformat : STD
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: channels : 2
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: rate : 48000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: exact rate : 48000 (48000/1)
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: msbits : 16
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: buffer_size : 96000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_size : 48000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_time : 1000000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: tstamp_mode : ENABLE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_step : 1
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: avail_min : 95041
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_event : 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: start_threshold : -1
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: stop_threshold : 1572864000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: silence_threshold: 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: silence_size : 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: boundary : 1572864000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Slave: Hardware PCM card 0 'HDA Intel' device 0 subdevice 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: Its setup is:
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: stream : CAPTURE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: access : MMAP_INTERLEAVED
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: format : S16_LE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: subformat : STD
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: channels : 2
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: rate : 48000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: exact rate : 48000 (48000/1)
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: msbits : 16
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: buffer_size : 96000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_size : 48000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_time : 1000000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: tstamp_mode : ENABLE
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_step : 1
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: avail_min : 95041
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: period_event : 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: start_threshold : -1
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: stop_threshold : 1572864000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: silence_threshold: 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: silence_size : 0
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: boundary : 1572864000
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: appl_ptr : 95024
Apr 18 15:47:45 oleg-desktop pulseaudio[1929]: alsa-util.c: hw_ptr : 95024
Apr 18 15:48:05 oleg-desktop pulseaudio[1929]: ratelimit.c: 3 events suppressed