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

[bugzilla-daemon at freedesktop.org]

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

rkfg <rkfg at rkfg.me> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #113083|0                           |1
        is obsolete|                            |

--- Comment #14 from rkfg <rkfg at rkfg.me> ---
Created attachment 113112
  --> https://bugs.freedesktop.org/attachment.cgi?id=113112&action=edit
High latency because of underruns

Nah, after all prealloc is just snake oil. I now have latency of 66 ms which is
unacceptable.

1 sink(s) available.
  * index: 0
    name: <alsa_output.pci-0000_00_1b.0.analog-stereo>
    driver: <module-alsa-card.c>
    flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
FLAT_VOLUME DYNAMIC_LATENCY
    state: RUNNING
    suspend cause: 
    priority: 9959
    volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% /
0.00 dB
            balance 0.00
    base volume: 65536 / 100% / 0.00 dB
    volume steps: 65537
    muted: no
    current latency: 65.83 ms
    max request: 11 KiB
    max rewind: 344 KiB
    monitor source: 0
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 3
    linked by: 3
    configured latency: 66.00 ms; range is 66.00 .. 2000.00 ms
    card: 0 <alsa_card.pci-0000_00_1b.0>
    module: 6
    properties:
        alsa.resolution_bits = "16"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "VT1708S Analog"
        alsa.id = "VT1708S Analog"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "0"
        alsa.card = "0"
        alsa.card_name = "HDA Intel PCH"
        alsa.long_card_name = "HDA Intel PCH at 0xfe400000 irq 33"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:1b.0"
        sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "1c20"
        device.product.name = "6 Series/C200 Series Chipset Family High
Definition Audio Controller"
        device.form_factor = "internal"
        device.string = "front:0"
        device.buffering.buffer_size = "352800"
        device.buffering.fragment_size = "176400"
        device.access_mode = "mmap+timer"
        device.profile.name = "analog-stereo"
        device.profile.description = "Analog Stereo"
        device.description = "Built-in Audio Analog Stereo"
        alsa.mixer_name = "VIA VT1708S"
        alsa.components = "HDA:11060397,10438415,00100000"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"
    ports:
        analog-output: Analog Output (priority 9900, latency offset 0 usec,
available: unknown)
            properties:

        analog-output-lineout: Line Out (priority 9900, latency offset 0 usec,
available: yes)
            properties:

        analog-output-headphones: Headphones (priority 9000, latency offset 0
usec, available: no)
            properties:
                device.icon_name = "audio-headphones"
    active port: <analog-output>


Any suggestions outside of forcing a fixed latency?

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