KDE Device notifier kills audio

[orinoco]

Everytime I insert a CD/DVD or plug an usb storage device and the device notifier pops up all audio stops. No sound anymore. I can reproduce it with amarok, vlc & flashplayer plugin. The only way to get audio back is to reboot or systemctl isosolate rescue.target and ctrl-d. journalctl -f shows nothing. I have no idea how to solve this annoying bahavior.

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orinoco@tuxor2:~$ lspci -v
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
Subsystem: Dell Device 01fe
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f6dfc000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [130] Root Complex Link
Kernel driver in use: snd_hda_intel

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orinoco@tuxor2:~$ cat /proc/asound/cards
0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xf6dfc000 irq 45

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orinoco@tuxor2:~$ lsmod
snd_hda_codec_idt      43149  1
snd_hda_codec_generic    40408  2 snd_hda_codec_idt
snd_hda_intel          18207  5
snd_hda_controller     15332  1 snd_hda_intel
snd_hda_codec          74791  4 snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep               5501  1 snd_hda_codec
snd_pcm                66166  4 snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_timer              15555  2 snd_pcm
snd                    50290  15 snd_hwdep,snd_timer,snd_hda_codec_idt,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
soundcore               4335  2 snd,snd_hda_codec

[orinoco]

It drives me mad. Everytime I insert a removable media and the device notifier pops up, all audio output stops. I still have no idea how to fix it.

My test:

I start amarok with

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$ amarok --debug-audio
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
attempting to load "/usr/lib/kde4/plugins/phonon_platform/kde.so"
Phonon::KdePlatformPlugin(0x210c7c0)
0x210c7d0
bool Phonon::FactoryPrivate::createBackend() Phonon 4.8.0 trying to create backend...
PHONON-VLC Constructing Phonon-VLC Version 0.8.0
"PulseSupport(2): Probing for PulseAudio..."
"PulseSupport(2): PulseAudio support disabled: Connection refused"
PHONON-VLC Using VLC version 2.2.0-pre4 Weatherwax
"PulseSupport(2): Enabled Breakdown: mEnabled: Yes, s_pulseActive No"
PHONON-VLC manually injecting sound system "pulse"
PHONON-VLC manually injecting sound system "alsa"
PHONON-VLC Sound system "oss" not supported by libvlc
PHONON-VLC Sound system "jack" not supported by libvlc
PHONON-VLC Sound system "aout_directx" not supported by libvlc
PHONON-VLC Sound system "directsound" not supported by libvlc
PHONON-VLC Sound system "auhal" not supported by libvlc
PHONON-VLC Added backend device "pulse"
PHONON-VLC Added backend device "alsa"
PHONON-VLC BEGIN: void Phonon::VLC::EffectManager::updateEffects()
PHONON-VLC END__: void Phonon::VLC::EffectManager::updateEffects() [Took: 0s]
bool Phonon::FactoryPrivate::createBackend() Phonon backend "VLC" version "0.8.0" loaded
PHONON-VLC virtual bool Phonon::VLC::AudioOutput::setOutputDevice(const AudioOutputDevice&)
PHONON-VLC [WARNING] Backend class 3 is not supported by Phonon VLC :(
[00000000021bfee8] pulse audio output error: PulseAudio server connection failure: Connection refused
emitting a state change because the backend object has been replaced
PHONON-VLC [WARNING] Backend class 3 is not supported by Phonon VLC :(
WARNING: Phonon::createPath: Cannot connect  Phonon::MediaObject ( no objectName ) to  Phonon::AudioDataOutput ( no objectName ).
PHONON-VLC Object: Phonon::VLC::MediaObject
PHONON-VLC Object: Phonon::VLC::AudioOutput
PHONON-VLC Backend connected Phonon::VLC::MediaObject to Phonon::VLC::AudioOutput
PHONON-VLC Setting output soundsystem to "alsa"
PHONON-VLC Setting output device to "x-phonon:CARD=0,DEV=0" ( QVariant(QString, "HDA Intel (STAC9205 Analog)") )
PHONON-VLC Volume changed from 75 to 100
PHONON-VLC Object: Phonon::VLC::MediaObject
PHONON-VLC Object: Phonon::VLC::AudioOutput
void Phonon::FrontendInterfacePrivate::_backendObjectChanged()
Object::connect: No such signal Phonon::VLC::MediaObject::angleChanged(int) in ../../phonon/mediacontroller.cpp:65
Object::connect: No such signal Phonon::VLC::MediaObject::availableAnglesChanged(int) in ../../phonon/mediacontroller.cpp:66
PHONON-VLC BEGIN: virtual QVariant Phonon::VLC::MediaController::interfaceCall(Phonon::AddonInterface::Interface, int, const QList<QVariant>&)
PHONON-VLC END__: virtual QVariant Phonon::VLC::MediaController::interfaceCall(Phonon::AddonInterface::Interface, int, const QList<QVariant>&) [Took: 0s]
PHONON-VLC [WARNING] Backend class 1 is not supported by Phonon VLC :(
PHONON-VLC [WARNING] Backend class 1 is not supported by Phonon VLC :(
Object::connect: No such signal org::freedesktop::UPower::DeviceAdded(QString)
Object::connect: No such signal org::freedesktop::UPower::DeviceRemoved(QString)
QWidget::insertAction: Attempt to insert null action
amarok(1626)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
PHONON-VLC async setting of volume to 0.676991
PHONON-VLC Volume changed from 100 to 67
**********************************************************************************************
** AMAROK WAS STARTED IN NORMAL MODE. IF YOU WANT TO SEE DEBUGGING INFORMATION, PLEASE USE: **
** amarok --debug                                                                           **
********************************************************************************************** Calling appendChild() on a null node does nothing.

I selected an internet radiostation and amarok says:

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Could not parse stylesheet of widget 0x2ebbeb0
void Phonon::MediaObject::setCurrentSource(const Phonon::MediaSource&) 5  QUrl( "" )  ""
PHONON-VLC BEGIN: virtual void Phonon::VLC::MediaObject::setSource(const Phonon::MediaSource&)
PHONON-VLC   [ERROR__] virtual void Phonon::VLC::MediaObject::setSource(const Phonon::MediaSource&) MediaSource is empty.
PHONON-VLC   Sending currentSourceChanged
PHONON-VLC END__: virtual void Phonon::VLC::MediaObject::setSource(const Phonon::MediaSource&) [Took: 0s]
void Phonon::MediaObject::setCurrentSource(const Phonon::MediaSource&) 1  QUrl( "http://4broadcast.de:8000/coolradio-jazz-128s.mp3" )  ""
PHONON-VLC BEGIN: virtual void Phonon::VLC::MediaObject::setSource(const Phonon::MediaSource&)
PHONON-VLC   MediaSource::Url:  QUrl( "http://4broadcast.de:8000/coolradio-jazz-128s.mp3" ) 
PHONON-VLC   BEGIN: void Phonon::VLC::MediaObject::loadMedia(const QByteArray&)
PHONON-VLC     BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC        Phonon::StoppedState  -->  Phonon::LoadingState 
PHONON-VLC     END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
PHONON-VLC     loading encoded: "http://4broadcast.de:8000/coolradio-jazz-128s.mp3"
PHONON-VLC     BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC        Phonon::LoadingState  -->  Phonon::StoppedState 
PHONON-VLC     END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
PHONON-VLC   END__: void Phonon::VLC::MediaObject::loadMedia(const QByteArray&) [Took: 0s]
PHONON-VLC   Sending currentSourceChanged
PHONON-VLC END__: virtual void Phonon::VLC::MediaObject::setSource(const Phonon::MediaSource&) [Took: 0s]
PHONON-VLC BEGIN: virtual void Phonon::VLC::MediaObject::play()
PHONON-VLC   BEGIN: void Phonon::VLC::MediaObject::setupMedia()
PHONON-VLC   END__: void Phonon::VLC::MediaObject::setupMedia() [Took: 0s]
PHONON-VLC   [ERROR__] libVLC: 
PHONON-VLC END__: virtual void Phonon::VLC::MediaObject::play() [Took: 0.001s]
void Phonon::MediaObjectPrivate::_k_currentSourceChanged(const Phonon::MediaSource&)
State changed from  Phonon::StoppedState  to  Phonon::LoadingState  -> sending to zeitgeist.
State changed from  Phonon::LoadingState  to  Phonon::StoppedState  -> sending to zeitgeist.
void Phonon::MediaObjectPrivate::_k_currentSourceChanged(const Phonon::MediaSource&)
PHONON-VLC BEGIN: void Phonon::VLC::MediaObject::updateState(Phonon::VLC::MediaPlayer::State)
PHONON-VLC   State(MediaPlayer::OpeningState)
PHONON-VLC   attempted autoplay? false
PHONON-VLC   BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC      Phonon::StoppedState  -->  Phonon::LoadingState 
PHONON-VLC   END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
PHONON-VLC END__: void Phonon::VLC::MediaObject::updateState(Phonon::VLC::MediaPlayer::State) [Took: 0s]
PHONON-VLC BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC    Phonon::LoadingState  -->  Phonon::BufferingState 
PHONON-VLC END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
Metadata ready, sending to zeitgeist
State changed from  Phonon::StoppedState  to  Phonon::LoadingState  -> sending to zeitgeist.
State changed from  Phonon::LoadingState  to  Phonon::BufferingState  -> sending to zeitgeist.
[00007fdb000010c8] http access: Raw-audio server found, mp3 demuxer selected
Metadata ready, sending to zeitgeist
PHONON-VLC BEGIN: void Phonon::VLC::MediaObject::updateState(Phonon::VLC::MediaPlayer::State)
PHONON-VLC   State(MediaPlayer::PlayingState)
PHONON-VLC   attempted autoplay? false
PHONON-VLC   BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC      Phonon::BufferingState  -->  Phonon::PlayingState 
PHONON-VLC   END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
PHONON-VLC   Restoring buffering state after state change to Playing
PHONON-VLC   BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
PHONON-VLC      Phonon::PlayingState  -->  Phonon::BufferingState 
PHONON-VLC   END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
PHONON-VLC END__: void Phonon::VLC::MediaObject::updateState(Phonon::VLC::MediaPlayer::State) [Took: 0.001s]
State changed from  Phonon::BufferingState  to  Phonon::PlayingState  -> sending to zeitgeist.
State changed from  Phonon::PlayingState  to  Phonon::BufferingState  -> sending to zeitgeist.
Metadata ready, sending to zeitgeist
PHONON-VLC BEGIN: void Phonon::VLC::MediaObject::changeState(Phonon::State)
[00007fdaf002e148] mpgatofixed32 audio converter error: libmad error: bad main_data_begin pointer
PHONON-VLC    Phonon::BufferingState  -->  Phonon::PlayingState 
PHONON-VLC END__: void Phonon::VLC::MediaObject::changeState(Phonon::State) [Took: 0s]
State changed from  Phonon::BufferingState  to  Phonon::PlayingState  -> sending to zeitgeist.
Calling appendChild() on a null node does nothing.
Metadata ready, sending to zeitgeist

Now I insert a removalbe media. In this case a usb memorystick. The kde device notifier pops up and amarok says:

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"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 0
void Phonon::AudioOutputPrivate::_k_deviceListChanged()
-16 is available
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 4
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 5
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 0
void Phonon::AudioOutputPrivate::_k_deviceListChanged()
-16 is available
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 4
void Phonon::FactoryPrivate::objectDescriptionChanged(Phonon::ObjectDescriptionType) 5

Now audio output stops while amarok is still streaming (I can see the popups from the next music title). journalctl -fb says:

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Okt 10 15:19:07 tuxor2 kernel: usb 7-2: new high-speed USB device number 4 using ehci-pci
Okt 10 15:19:07 tuxor2 systemd-udevd[274]: Network interface NamePolicy= disabled on kernel commandline, ignoring.
Okt 10 15:19:07 tuxor2 kernel: usb 7-2: New USB device found, idVendor=1976, idProduct=6025
Okt 10 15:19:07 tuxor2 kernel: usb 7-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Okt 10 15:19:07 tuxor2 kernel: usb 7-2: Product: Flash Disk
Okt 10 15:19:07 tuxor2 kernel: usb 7-2: Manufacturer: Alliance
Okt 10 15:19:07 tuxor2 kernel: usb 7-2: SerialNumber: 0603240446C93200
Okt 10 15:19:07 tuxor2 kernel: usb-storage 7-2:1.0: USB Mass Storage device detected
Okt 10 15:19:07 tuxor2 kernel: scsi host6: usb-storage 7-2:1.0
Okt 10 15:19:08 tuxor2 mtp-probe[15099]: checking bus 7, device 4: "/sys/devices/pci0000:00/0000:00:1d.7/usb7/7-2"
Okt 10 15:19:08 tuxor2 mtp-probe[15099]: bus: 7, device: 4 was not an MTP device                                                                                                                             
Okt 10 15:19:09 tuxor2 kernel: scsi 6:0:0:0: Direct-Access     Alliance Flash Disk       5.00 PQ: 0 ANSI: 2                                                                                                 
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: Attached scsi generic sg2 type 0                                                                                                                                 
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] 1910272 512-byte logical blocks: (978 MB/932 MiB)                                                                                                           
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] Write Protect is off                                                                                                                                       
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] Mode Sense: 0b 00 00 08                                                                                                                                     
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] No Caching mode page found                                                                                                                                 
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] Assuming drive cache: write through                                                                                                                         
Okt 10 15:19:09 tuxor2 kernel:  sdb: sdb1                                                                                                                                                                   
Okt 10 15:19:09 tuxor2 kernel: sd 6:0:0:0: [sdb] Attached SCSI removable disk

With kmix and alsamixer I checked if audio gets muted. But all channels are active.

To get audio back I have to stop and start the stream in amarok. Amarok is an example here. All programs which deal with audio are affected. What I changed from my last post is that I switched from gstreamer to vlc in the phonon backend. It is really frustrating. I need your help.

P.S. Is it Mr. Poetterings revenge that I don't use his pulseaudio?

[orinoco]

Hello,

I found the following entries in .xsession-errors when I insert a removable media:

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plasma-desktop(29641)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
Calling appendChild() on a null node does nothing.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
QDBusConnection: session D-Bus connection created before QCoreApplication. Application may misbehave.
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
"/org/freedesktop/UDisks2/drives/Alliance_Flash_Disk_0603240446C93200" has new interfaces: ("org.freedesktop.UDisks2.Drive")
kded(29591)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
kded(29591)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.PartitionTable")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
"/org/freedesktop/UDisks2/block_devices/sdb1" has new interfaces: ("org.freedesktop.UDisks2.Block", "org.freedesktop.UDisks2.Filesystem", "org.freedesktop.UDisks2.Partition")
kded(29591)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map
ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream
ALSA lib pcm_dsnoop.c:557:(snd_pcm_dsnoop_open) The dsnoop plugin supports only capture stream
ALSA lib pcm_dsnoop.c:557:(snd_pcm_dsnoop_open) The dsnoop plugin supports only capture stream
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave
ALSA lib pcm_route.c:947:(find_matching_chmap) Found no matching channel map                                                                                                                                 
ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream                                                                                                                   
ALSA lib pcm_dmix.c:961:(snd_pcm_dmix_open) The dmix plugin supports only playback stream                                                                                                                   
ALSA lib pcm_dsnoop.c:557:(snd_pcm_dsnoop_open) The dsnoop plugin supports only capture stream                                                                                                               
ALSA lib pcm_dsnoop.c:557:(snd_pcm_dsnoop_open) The dsnoop plugin supports only capture stream                                                                                                               
ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave                                                                                                                                         
plasma-desktop(29641)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:

What's up with alsa here?

[orinoco]

Just an update on this issue.

I found another way to mute audio. While listing to local music I established a vpn-connection with network manager. KDE notifier pops with the message that the connection is successful established. Then KDE pops up with the message that my internal sound-hardware has changed (how? it's soldered to the mainboard) an the player (in this case vlc) still plays with no sound. To get sound back I had to close and restart vlc. It's so annoying.

[dibl]

Then KDE pops up with the message that my internal sound-hardware has changed (how? it's soldered to the mainboard)  ...

Yes, I see this goofy behavior once in awhile, after I have been fiddling with phonon or pulseaudio usually, or plugging in and removing headphones, or something like that.  Once in a great while it is so borked I have to reboot, but usually killing off the X session and restarting will solve it, or even going into KDE settings/multimedia and resetting it.  In general I find today's Linux audio much more friendly than when I started with Linux 8 years ago, but once in awhile there is still some strange, unexpected loss of audio.

[sunrat]

May or may not be related, I get this dialog every time I plug in an external device -


I click "Yes" and sound still works. It's just annoying rather than a major problem.
Audiophile 2496 has 10 Multi outputs listed in alsamixer, all of which have no effect on output which is actually DAC or HW1.
I use the Audiophile 2496 exclusively for sound, although the system has onboard and video card HDMI soundcards as well.

[orinoco]

Now progress on this issue. In the moment the device notifier pops up I lost my audio output. Every player still plays but I can't hear anything. Sometimes it helped to restart the playersoftware (or the browser if the flashplayer gets affected). At the moment I have to relogin to my KDE-Session I get audio back till I plug in a new USB-device or insert a new optical media. I have no clue why. <rant>It's really p!ssing me off.</rant>

[Lanzi]

I have this prolem for ages, whenever i delete something in Krusader. SO my workaroud was to deactivate all systemsounds...

brutal, but effective ;-)

[orinoco]

Just an update: With Plasma 5 the same behavior: Device pops up -> audio gets muted. Unmute only after restart the player application.

[Lanzi]

Did you write a bugreport?

[orinoco]

No! Where?

[melmarker]

Good question - as you use kdenext it is our problem i guess