[pulseaudio-tickets] [Bug 49608] periodic audio skips with Intel HDA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=49608

--- Comment #30 from rkfg <rkfg at rkfg.me> ---
Also, when CPU is loaded for any reason I sometimes get this:

Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog]
protocol-native.c: Implicit underrun of 'Playback'
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink.c: Found
underrun 1380 bytes ago (1436 bytes ahead in playback buffer)
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog]
protocol-native.c: Requesting rewind due to end of underrun.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Requested to rewind 2816 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Limited to 2560 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
before: 640
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
after: 640
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Rewound 2560 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink.c:
Processing rewind...
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink.c:
latency = 1302
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink-input.c:
Have to rewind 2560 bytes on render memblockq.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] source.c:
Processing rewind...
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
snd_pcm_avail() returned a value that is exceptionally large: 32960 bytes (186
ms).
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] 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 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
snd_pcm_dump():
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Soft volume PCM
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Control: PCM Playback Volume
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
min_dB: -51
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
max_dB: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
resolution: 256
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Its setup is:
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stream       : PLAYBACK
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 access       : MMAP_INTERLEAVED
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 format       : S16_LE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 subformat    : STD
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 channels     : 2
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 rate         : 44100
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 exact rate   : 44100 (44100/1)
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 msbits       : 16
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 buffer_size  : 704
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_size  : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_time  : 7981
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 tstamp_mode  : ENABLE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_step  : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 avail_min    : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_event : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 start_threshold  : -1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stop_threshold   : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_threshold: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_size : 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 boundary     : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Its setup is:
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stream       : PLAYBACK
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 access       : MMAP_INTERLEAVED
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 format       : S16_LE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 subformat    : STD
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 channels     : 2
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 rate         : 44100
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 exact rate   : 44100 (44100/1)
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 msbits       : 16
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 buffer_size  : 704
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_size  : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_time  : 7981
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 tstamp_mode  : ENABLE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_step  : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 avail_min    : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_event : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 start_threshold  : -1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stop_threshold   : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_threshold: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_size : 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 boundary     : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 appl_ptr     : 80123792
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 hw_ptr       : 80135633
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog]
protocol-native.c: Implicit underrun of 'Playback'
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
snd_pcm_delay() returned a value that is exceptionally large: -41248 bytes
(-233 ms).
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] 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 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
snd_pcm_dump():
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Soft volume PCM
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Control: PCM Playback Volume
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
min_dB: -51
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
max_dB: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
resolution: 256
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Its setup is:
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stream       : PLAYBACK
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 access       : MMAP_INTERLEAVED
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 format       : S16_LE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 subformat    : STD
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 channels     : 2
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 rate         : 44100
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 exact rate   : 44100 (44100/1)
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 msbits       : 16
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 buffer_size  : 704
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_size  : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_time  : 7981
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 tstamp_mode  : ENABLE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_step  : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 avail_min    : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_event : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 start_threshold  : -1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stop_threshold   : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_threshold: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_size : 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 boundary     : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Slave: Hardware PCM card 0 'HDA Intel PCH' device 0 subdevice 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c:
Its setup is:
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stream       : PLAYBACK
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 access       : MMAP_INTERLEAVED
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 format       : S16_LE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 subformat    : STD
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 channels     : 2
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 rate         : 44100
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 exact rate   : 44100 (44100/1)
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 msbits       : 16
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 buffer_size  : 704
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_size  : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_time  : 7981
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 tstamp_mode  : ENABLE
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_step  : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 avail_min    : 352
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 period_event : 1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 start_threshold  : -1
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 stop_threshold   : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_threshold: 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 silence_size : 0
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 boundary     : 6341068275337658368
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 appl_ptr     : 80130832
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-util.c: 
 hw_ptr       : 80141265
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] ratelimit.c:
14 events suppressed
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Underrun!
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog]
protocol-native.c: Requesting rewind due to end of underrun.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Requested to rewind 2816 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Limited to 2560 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
before: 640
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
after: 640
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] alsa-sink.c:
Rewound 2560 bytes.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink.c:
Processing rewind...
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink.c:
latency = 10117
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] sink-input.c:
Have to rewind 2560 bytes on render memblockq.
Apr 09 11:56:10 work pulseaudio[9718]: [alsa-sink-VT1708S Analog] source.c:
Processing rewind...

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