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Old 04-02-2005, 05:35 PM   #1
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Registered: Nov 2004
Location: Norway
Distribution: Debian
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Exclamation KDE blocks sound? cant play sound from other programs.

I am not sure if this should be here in the hardware section or in the software section, but i think i may be hardware related so therefore i placed it here.

The problem is that i cant get any programs to play sound on the sound card i want.

I got two soundcards: one on the main board and one pci card. I want to use the pci card.

The only place i get sound from that car is from the KDE Control Center. It is set to use the ALSA driver, and when i press "Test sound" i hear a tune.

If i try to play music in other programs it fails, or plays on the other sound card.
XMMS says "Couldn't open audio" when i try to play anything with the alsa or the arts output. if i choose oss it plays on the wrong sound card. The same happends with Beep Media player.
If I use vlc it plays on the wrong card on all drivers.

In the ALSA config i have only one audio device to choose(deufalt)

Can anyone please help me? I will come with more info if needed.

Update: Installed and checked the "ALSA Mixer" it says that " C-Media Electronics Inc CM8738-MC6" is used, so i am shure that the right card is configured with the ALSA driver.

Message when playing file with ALSA:
[00000248] main playlist: adding playlist item `/mnt/sda1/musikk/04. Maria Arredondo - True Friendship.mp3' ( /mnt/sda1/musikk/04. Maria Arredondo - True Friendship.mp3 )
ALSA lib confmisc.c:550:(snd_determine_driver) could not open control for card 0
ALSA lib conf.c:3461:(_snd_config_evaluate) function snd_func_card_driver returned error: Ingen slik fil eller filkatalog
ALSA lib confmisc.c:387:(snd_func_concat) error evaluating strings
ALSA lib conf.c:3461:(_snd_config_evaluate) function snd_func_concat returned error: Ingen slik fil eller filkatalog
ALSA lib confmisc.c:945:(snd_func_refer) error evaluating name
ALSA lib conf.c:3461:(_snd_config_evaluate) function snd_func_refer returned error: Ingen slik fil eller filkatalog
ALSA lib conf.c:3930:(snd_config_expand) Evaluate error: Ingen slik fil eller filkatalog
ALSA lib pcm.c:2068:(snd_pcm_open_noupdate) Unknown PCM default
lspci output
0000:00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
0000:00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03)
0000:00:07.0 ISA bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
0000:00:07.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01)
0000:00:07.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01)
0000:00:07.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 02)
0000:00:0b.0 Multimedia audio controller: ESS Technology ES1969 Solo-1 Audiodrive (rev 01)
0000:00:0d.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 01)
0000:00:0e.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev 10)
0000:00:10.0 USB Controller: NEC Corporation USB (rev 43)
0000:00:10.1 USB Controller: NEC Corporation USB (rev 43)
0000:00:10.2 USB Controller: NEC Corporation USB 2.0 (rev 04)
0000:01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 RF/SG AGP

Last edited by Smurfen; 04-02-2005 at 05:40 PM.
Old 04-02-2005, 07:14 PM   #2
Registered: Apr 2005
Location: Sweden
Distribution: Debian
Posts: 142

Rep: Reputation: 15
It's not a hardware problem. ALSA sound library (that talks to alsa drivers) blocks other processes (programs) that open a sound device. You have three choises:

1) Use the other sound card for other programs (but still, those blocks other programs to use that soundcard.

2) Make other programs use kde's sound daemon (dont remember it's name). You might need to recompile your sound programs or configure a module for them.

3) Make ALSA not block other program from using sound card. For that you needs to create an ~/.asoundrc file or a system wide /etc/asound file.

Read more solution 3 at alsa projects web site



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