Hi, First of all here's a bug reported by someone else in debian bug tracking system: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=525572 Here's the summary: 1) Start pulseaudio (per-user), 2) Play something, it works, nice. 3) Mute the master channel using KMix or amixer, doesn't matter: amixer -c0 set Master 90% mute 4) Play something, no sound, okay. 5) Stop PA using pulseaudio -k and restart it. 6) The channel is muted so unmute it: amixer -c0 set Master 90% unmute 7) Play something, still no sound, problem! The channel is actually unmuted when looked over alsamixer, but PA is silent. 8) call set-sink-mute 0 0 from pacmd, and it works again. Note that: - The workaround suggested in the bug report(unloading module-device-store) doesn't work, - Removing .pulse has no effect, - I can reproduce the issue on every box I tried. Here's the daemon's output (-vvv): (Muted the channel with amixer and killed the daemon) I: module-suspend-on-idle.c: Source alsa_input.pci_10de_ac0_sound_card_0 idle for too long, suspending ... I: alsa-source.c: Device suspended... I: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 idle for too long, suspending ... I: alsa-sink.c: Device suspended... D: alsa-sink.c: Read hardware volume: 0: 93% 1: 93% D: alsa-sink.c: Read hardware volume: 0: 93% 1: 93% I: module-device-restore.c: Storing volume/mute for device sink:alsa_output.pci_10de_ac0_sound_card_0. D: module-hal-detect.c: dbus: interface=org.freedesktop.Hal.Device, path=/org/freedesktop/Hal/devices/computer_power_supply_battery_BAT0, member=PropertyModified D: bluetooth-util.c: dbus: interface=org.freedesktop.Hal.Device, path=/org/freedesktop/Hal/devices/computer_power_supply_battery_BAT0, member=PropertyModified D: module-console-kit.c: dbus: interface=org.freedesktop.Hal.Device, path=/org/freedesktop/Hal/devices/computer_power_supply_battery_BAT0, member=PropertyModified I: module-device-restore.c: Synced. (Restarted it) I: module-device-restore.c: Sucessfully opened database file '/home/ozan/.pulse/1cf2716bedc98e258fb135c24a015dec:device-volumes.i686-pc-linux-gnu.gdbm'. I: module.c: Loaded "module-device-restore" (index: #0; argument: ""). I: module-stream-restore.c: Sucessfully opened database file '/home/ozan/.pulse/1cf2716bedc98e258fb135c24a015dec:stream-volumes.i686-pc-linux-gnu.gdbm'. I: module.c: Loaded "module-stream-restore" (index: #1; argument: ""). I: module-card-restore.c: Sucessfully opened database file '/home/ozan/.pulse/1cf2716bedc98e258fb135c24a015dec:card-database.i686-pc-linux-gnu.gdbm'. I: module.c: Loaded "module-card-restore" (index: #2; argument: ""). I: module.c: Loaded "module-augment-properties" (index: #3; argument: ""). .. .. I: module-device-restore.c: Restoring volume for sink alsa_output.pci_10de_ac0_sound_card_0. I: module-device-restore.c: Restoring mute state for sink alsa_output.pci_10de_ac0_sound_card_0. (Unmuted the channel with amixer) D: alsa-sink.c: Read hardware volume: 0: 93% 1: 93% D: alsa-sink.c: Read hardware volume: 0: 93% 1: 93% I: module-device-restore.c: Storing volume/mute for device sink:alsa_output.pci_10de_ac0_sound_card_0. (Play something) I: alsa-sink.c: Trying resume... D: alsa-util.c: Maximum hw buffer size is 371 ms D: alsa-sink.c: Latency set to 250.00ms D: alsa-sink.c: hwbuf_unused=21436 D: alsa-sink.c: setting avail_min=15503 I: alsa-sink.c: Resumed successfully... D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. I: alsa-sink.c: Starting playback. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes busy. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. I: resampler.c: Using resampler 'speex-float-0' I: resampler.c: Using float32le as working format. I: resampler.c: Choosing speex quality setting 0. D: memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0 I: sink-input.c: Created input 0 "audio stream" on alsa_output.pci_10de_ac0_sound_card_0 with sample spec s16le 2ch 48000Hz and channel map front-left,front-right I: protocol-native.c: Requested tlength=250.00 ms, minreq=20.00 ms D: protocol-native.c: Traditional mode enabled, modifying sink usec only for compat with minreq. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: memblockq.c: memblockq requested: maxlength=4194304, tlength=48000, base=4, prebuf=44164, minreq=3840 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=4194304, tlength=48000, base=4, prebuf=44164, minreq=3840 maxrewind=0 I: protocol-native.c: Final latency 460.00 ms = 210.00 ms + 2*20.00 ms + 210.00 ms D: alsa-sink.c: Requested volume: 0: 93% 1: 93% D: alsa-sink.c: Got hardware volume: 0: 94% 1: 94% D: alsa-sink.c: Calculated software volume: 0: 98% 1: 98% D: core-subscribe.c: Dropped redundant event due to change event. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: alsa-sink.c: Latency set to 210.00ms D: alsa-sink.c: hwbuf_unused=28492 D: alsa-sink.c: setting avail_min=15503 D: alsa-sink.c: Requesting rewind due to latency change. D: alsa-sink.c: Requested to rewind 65536 bytes. D: alsa-sink.c: Limited to 40488 bytes. D: alsa-sink.c: before: 10122 D: alsa-sink.c: after: 10122 D: alsa-sink.c: Rewound 40488 bytes. D: sink.c: Processing rewind... D: sink-input.c: Have to rewind 40488 bytes on render memblockq. D: source.c: Processing rewind... D: core-subscribe.c: Dropped redundant event due to change event. D: protocol-native.c: Requesting rewind due to end of underrun. D: alsa-sink.c: Requested volume: 0: 93% 1: 93% D: alsa-sink.c: Got hardware volume: 0: 94% 1: 94% D: alsa-sink.c: Calculated software volume: 0: 98% 1: 98% D: alsa-sink.c: hwbuf_unused=0 D: alsa-sink.c: setting avail_min=15502 D: alsa-sink.c: Requested to rewind 65536 bytes. D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. D: alsa-sink.c: Limited to 31908 bytes. D: alsa-sink.c: before: 7977 D: alsa-sink.c: after: 7977 D: alsa-sink.c: Rewound 31908 bytes. D: sink.c: Processing rewind... D: source.c: Processing rewind... D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. D: core-subscribe.c: Dropped redundant event due to change event. D: core.c: Hmm, no streams around, trying to vacuum. I: sink-input.c: Freeing input 0 "audio stream" I: client.c: Freed 1 "MPlayer" I: protocol-native.c: Connection died. (call set-sink-mute 0 0 from pacmd) I: main.c: Got signal SIGUSR2. I: module.c: Loaded "module-cli-protocol-unix" (index: #17; argument: ""). I: client.c: Created 2 "UNIX socket client" D: cli.c: CLI got EOF from user. I: client.c: Freed 2 "UNIX socket client" I: client.c: Created 3 "Native client (UNIX socket client)" D: protocol-native.c: Protocol version: remote 15, local 15 I: protocol-native.c: Got credentials: uid=1000 gid=100 success=1 D: protocol-native.c: SHM possible: yes D: protocol-native.c: Negotiated SHM: yes D: module-augment-properties.c: Looking for .desktop file for mplayer D: reserve-wrap.c: Successfully acquired reservation lock on device 'Audio0' I: alsa-sink.c: Trying resume... D: alsa-util.c: Maximum hw buffer size is 371 ms D: alsa-sink.c: hwbuf_unused=0 D: alsa-sink.c: setting avail_min=15502 I: alsa-sink.c: Resumed successfully... I: alsa-sink.c: Starting playback. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes busy. I: resampler.c: Using resampler 'speex-float-0' I: resampler.c: Using float32le as working format. I: resampler.c: Choosing speex quality setting 0. D: memblockq.c: memblockq requested: maxlength=33554432, tlength=0, base=4, prebuf=0, minreq=1 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=33554432, tlength=33554432, base=4, prebuf=0, minreq=4 maxrewind=0 I: sink-input.c: Created input 1 "audio stream" on alsa_output.pci_10de_ac0_sound_card_0 with sample spec s16le 2ch 48000Hz and channel map front-left,front-right I: protocol-native.c: Requested tlength=250.00 ms, minreq=20.00 ms D: protocol-native.c: Traditional mode enabled, modifying sink usec only for compat with minreq. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: memblockq.c: memblockq requested: maxlength=4194304, tlength=48000, base=4, prebuf=44164, minreq=3840 maxrewind=0 D: memblockq.c: memblockq sanitized: maxlength=4194304, tlength=48000, base=4, prebuf=44164, minreq=3840 maxrewind=0 I: protocol-native.c: Final latency 460.00 ms = 210.00 ms + 2*20.00 ms + 210.00 ms D: alsa-sink.c: Requested volume: 0: 93% 1: 93% D: alsa-sink.c: Got hardware volume: 0: 94% 1: 94% D: alsa-sink.c: Calculated software volume: 0: 98% 1: 98% D: core-subscribe.c: Dropped redundant event due to change event. D: alsa-sink.c: Cutting sleep time for the initial iterations by half. D: alsa-sink.c: Latency set to 210.00ms D: alsa-sink.c: hwbuf_unused=28492 D: alsa-sink.c: setting avail_min=15503 D: alsa-sink.c: Requesting rewind due to latency change. D: alsa-sink.c: Requested to rewind 65536 bytes. D: alsa-sink.c: Limited to 61876 bytes. D: alsa-sink.c: before: 15469 D: alsa-sink.c: after: 15469 D: alsa-sink.c: Rewound 61876 bytes. D: sink.c: Processing rewind... D: sink-input.c: Have to rewind 61876 bytes on render memblockq. D: source.c: Processing rewind... D: core-subscribe.c: Dropped redundant event due to change event. D: protocol-native.c: Requesting rewind due to end of underrun. D: alsa-sink.c: Requested volume: 0: 93% 1: 93% D: alsa-sink.c: Got hardware volume: 0: 94% 1: 94% D: alsa-sink.c: Calculated software volume: 0: 98% 1: 98% D: alsa-sink.c: hwbuf_unused=0 D: alsa-sink.c: setting avail_min=15502 D: alsa-sink.c: Requested to rewind 65536 bytes. D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. D: alsa-sink.c: Limited to 32572 bytes. D: alsa-sink.c: before: 8143 D: alsa-sink.c: after: 8143 D: alsa-sink.c: Rewound 32572 bytes. D: sink.c: Processing rewind... D: source.c: Processing rewind... D: module-suspend-on-idle.c: Sink alsa_output.pci_10de_ac0_sound_card_0 becomes idle. D: core-subscribe.c: Dropped redundant event due to change event. D: core.c: Hmm, no streams around, trying to vacuum. I: sink-input.c: Freeing input 1 "audio stream" I: client.c: Freed 3 "MPlayer" I: protocol-native.c: Connection died.
