https://bugs.freedesktop.org/show_bug.cgi?id=84585

--- Comment #69 from Raymond <[email protected]> ---
as aplay can only run without underrun when buffer time above 23ms

this mean the way of increasing minimal latency  from 1ms is too agressive



(  11.678|   0.257) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
1.00 ms
(  11.679|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  11.679|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  11.679|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  11.680|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  11.680|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  11.680|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  11.935|   0.255) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
2.00 ms
(  11.936|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  11.936|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  11.936|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  11.937|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  11.937|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  11.937|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  12.192|   0.255) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
4.00 ms
(  12.193|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  12.193|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  12.193|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  12.193|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  12.194|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  12.194|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  12.449|   0.255) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
8.00 ms
(  12.450|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  12.450|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  12.450|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  12.450|   0.000) D: [alsa-sink] alsa-sink.c: Latency set to 105.00ms
(  12.451|   0.000) D: [alsa-sink] alsa-sink.c: hwbuf_unused=334280
(  12.451|   0.000) D: [alsa-sink] alsa-sink.c: setting avail_min=84012
(  12.706|   0.255) I: [alsa-sink] alsa-sink.c: Increasing minimal latency to
16.00 ms


if you think the bug is related to pulseaudo




http://colin.guthr.ie/2010/09/compiling-and-running-pulseaudio-from-git/

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