[pulseaudio-tickets] [Bug 50324] New: pulseaudio continuously creates and frees input streams

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50324

             Bug #: 50324
           Summary: pulseaudio continuously creates and frees input
                    streams
    Classification: Unclassified
           Product: PulseAudio
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: alsa
        AssignedTo: pulseaudio-bugs at lists.freedesktop.org
        ReportedBy: devurandom at gmx.net
         QAContact: pulseaudio-bugs at lists.freedesktop.org
                CC: lennart at poettering.net


The following game is repeated over and over again, *lots* of times per second
(Konsole has trouble printing as fast as the messages appear), which leads to
100% CPU usage in kmix and might also be responsible for the distorted sound I
am experiencing:

D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_06.1.analog-stereo becomes busy.
D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432,
tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432,
tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
I: [pulseaudio] sink-input.c: Created input 1389 "ALSA Playback" on
alsa_output.pci-0000_00_06.1.analog-stereo with sample spec s16le 2ch 44100Hz
and channel map front-left,front-right
I: [pulseaudio] sink-input.c:     media.name = "ALSA Playback"
I: [pulseaudio] sink-input.c:     application.name = "ALSA plug-in [chrome]"
I: [pulseaudio] sink-input.c:     native-protocol.peer = "UNIX socket client"
I: [pulseaudio] sink-input.c:     native-protocol.version = "26"
I: [pulseaudio] sink-input.c:     application.process.id = "2912"
I: [pulseaudio] sink-input.c:     application.process.user = "UUU"
I: [pulseaudio] sink-input.c:     application.process.host = "HHH"
I: [pulseaudio] sink-input.c:     application.process.binary = "chrome"
I: [pulseaudio] sink-input.c:     application.icon_name = "google-chrome"
I: [pulseaudio] sink-input.c:     window.x11.display = ":0"
I: [pulseaudio] sink-input.c:     application.language = "en_GB.UTF-8"
I: [pulseaudio] sink-input.c:     application.process.machine_id =
"da20799125212121ea1810b900000015"
I: [pulseaudio] sink-input.c:     application.process.session_id =
"da20799125212121ea1810b900000015-1337888076.451378-629967621"
I: [pulseaudio] sink-input.c:     module-stream-restore.id =
"sink-input-by-application-name:ALSA plug-in [chrome]"
I: [pulseaudio] protocol-native.c: Requested tlength=60.00 ms, minreq=14.99 ms
D: [pulseaudio] protocol-native.c: Early requests mode enabled, configuring
sink latency to minreq.
D: [pulseaudio] protocol-native.c: Requested latency=14.99 ms, Received
latency=100.14 ms
D: [pulseaudio] memblockq.c: memblockq requested: maxlength=4194304,
tlength=52992, base=4, prebuf=7940, minreq=17660 maxrewind=0
D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=4194304,
tlength=52992, base=4, prebuf=7940, minreq=17660 maxrewind=0
I: [pulseaudio] protocol-native.c: Final latency 400.54 ms = 100.18 ms +
2*100.11 ms + 100.14 ms
D: [alsa-sink] alsa-sink.c: Requested volume: 0: 100% 1: 100%
D: [alsa-sink] alsa-sink.c:            in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] alsa-sink.c: Got hardware volume: 0: 100% 1: 100%
D: [alsa-sink] alsa-sink.c:               in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] alsa-sink.c: Calculated software volume: 0: 100% 1: 100%
(accurate-enough=yes)
D: [alsa-sink] alsa-sink.c:                      in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] sink.c: Volume not changing
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Stream added
for object /org/pulseaudio/core1/playback_stream1389
D: [alsa-sink] protocol-native.c: Requesting rewind due to end of underrun.
D: [alsa-sink] alsa-sink.c: Requested to rewind 17664 bytes.
D: [alsa-sink] alsa-sink.c: Limited to 17380 bytes.
D: [alsa-sink] alsa-sink.c: before: 4345
D: [alsa-sink] alsa-sink.c: after: 4345
D: [alsa-sink] alsa-sink.c: Rewound 17380 bytes.
D: [alsa-sink] sink.c: Processing rewind...
D: [alsa-sink] sink.c: latency = 1259
D: [alsa-sink] sink-input.c: Have to rewind 17380 bytes on render memblockq.
D: [alsa-sink] source.c: Processing rewind...
D: [alsa-sink] protocol-native.c: Underrun on 'ALSA Playback', 0 bytes in
queue.
D: [alsa-sink] alsa-sink.c: Requested volume: 0: 100% 1: 100%
D: [alsa-sink] alsa-sink.c:            in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] alsa-sink.c: Got hardware volume: 0: 100% 1: 100%
D: [alsa-sink] alsa-sink.c:               in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] alsa-sink.c: Calculated software volume: 0: 100% 1: 100%
(accurate-enough=yes)
D: [alsa-sink] alsa-sink.c:                      in dB: 0: 0.00 dB 1: 0.00 dB
D: [alsa-sink] sink.c: Volume not changing
D: [alsa-sink] alsa-sink.c: Requested to rewind 17664 bytes.
D: [alsa-sink] alsa-sink.c: Limited to 17340 bytes.
D: [alsa-sink] alsa-sink.c: before: 4335
D: [alsa-sink] alsa-sink.c: after: 4335
D: [alsa-sink] alsa-sink.c: Rewound 17340 bytes.
D: [alsa-sink] sink.c: Processing rewind...
D: [alsa-sink] sink.c: latency = 1354
D: [alsa-sink] source.c: Processing rewind...
D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_06.1.analog-stereo becomes idle, timeout in 5 seconds.
D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_06.1.analog-stereo becomes idle, timeout in 5 seconds.
D: [pulseaudio] core.c: Hmm, no streams around, trying to vacuum.
D: [pulseaudio] protocol-dbus.c: Interface org.PulseAudio.Core1.Stream removed
from object /org/pulseaudio/core1/playback_stream1389
I: [pulseaudio] sink-input.c: Freeing input 1389 "ALSA Playback"
D: [pulseaudio] module-intended-roles.c: Not setting device for stream ALSA
Playback, because it lacks role.
D: [pulseaudio] module-suspend-on-idle.c: Sink
alsa_output.pci-0000_00_06.1.analog-stereo becomes busy.
D: [pulseaudio] memblockq.c: memblockq requested: maxlength=33554432,
tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0
D: [pulseaudio] memblockq.c: memblockq sanitized: maxlength=33554432,
tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0
I: [pulseaudio] sink-input.c: Created input 1390 "ALSA Playback" on
alsa_output.pci-0000_00_06.1.analog-stereo with sample spec s16le 2ch 44100Hz
and channel map front-left,front-right
[...]

Versions used are Gentoo/Linux kernel 3.4.0 and PulseAudio 2.0.
Audio device is:
00:06.1 Audio device: NVIDIA Corporation MCP55 High Definition Audio (rev a2)
        Subsystem: ASUSTeK Computer Inc. Device 81f6
        Kernel driver in use: snd_hda_intel

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