[Bug 1065784] Re: [Dell System XPS L502X, Realtek ALC665, Speaker, Internal] fails after a while

[David Henningsson]

*** This bug is a duplicate of bug 1064621 ***
https://bugs.launchpad.net/bugs/1064621

** This bug has been marked a duplicate of bug 1064621
   Internal speaker muted after a while, several Realtek codecs (Quantal)

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Title:
  [Dell System XPS L502X, Realtek ALC665, Speaker, Internal] fails after
  a while

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[Bug 1065784] Re: [Dell System XPS L502X, Realtek ALC665, Speaker, Internal] fails after a while

[Raymond]

the minimum period bytes of snd-hda-intel is 128

the minimum period time at 48000Hz for 2 channels 16 bits is about 0.66
ms , it is unlikely for pulse plugin to support latency 0.5 ms


Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [pulseaudio] 
protocol-native.c: Requested latency=0.00 ms, Received latency=0.50 ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [pulseaudio] 
memblockq.c: memblockq requested: maxlength=4194304, tlength=15552, base=8, 
prebuf=0, minreq=7680 maxrewind=0
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [pulseaudio] 
memblockq.c: memblockq sanitized: maxlength=4194304, tlength=15552, base=8, 
prebuf=0, minreq=7680 maxrewind=0
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [pulseaudio] 
protocol-native.c: Final latency 41.00 ms = 0.50 ms + 2*20.00 ms + 0.50 ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Cutting sleep time for the initial iterations by half.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Latency set to 0.50ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: hwbuf_unused=65440
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: setting avail_min=16373
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Requesting rewind due to latency change.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Requested to rewind 65536 bytes.m
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Limited to 65088 bytes.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: before: 16272
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: after: 16272
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Rewound 65088 bytes.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
sink.c: Processing rewind...
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
sink-input.c: Have to rewind 65088 bytes on render memblockq.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
source.c: Processing rewind...
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Cutting sleep time for the initial iterations by half.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [pulseaudio] 
module-stream-restore.c: Storing volume/mute/device for stream 
sink-input-by-application-id:org.VideoLAN.VLC.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.452|   0.000) [alsa-sink] 
alsa-sink.c: Cutting sleep time for the initial iterations by half.
Oct 11 22:36:37  pulseaudio[1761]: last message repeated 4 times
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: Increasing minimal latency to 1.00 ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: Latency set to 1.00ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: hwbuf_unused=65344
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: setting avail_min=16361
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
protocol-native.c: max_request changed, trying to update from 15552 to 15744.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
protocol-native.c: Notifying client about increased tlength
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: Latency set to 1.00ms
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: hwbuf_unused=65344
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.453|   0.000) [alsa-sink] 
alsa-sink.c: setting avail_min=16361
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.473|   0.019) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.473|   0.000) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.474|   0.001) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.475|   0.000) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.476|   0.000) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.477|   0.001) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.477|   0.000) [alsa-sink] 
protocol-native.c: Requesting rewind due to end of underrun.
Oct 11 22:36:37 varzea pulseaudio[1761]: (  14.478|   0.000) [alsa-sink] 
protocol-native.c: Requesting rewind due to