2011/8/21 Maximilian Bräutigam <[email protected]>: > Hello all, > > I recently bought a Zotac Barebone ZBOX HD-AD02 AMD E-350 and installed > Gentoo on it, what is working more or less very well except the sound. I > did everything according to gentoo and gentoowiki docs, I installed (due > to laziness) a gentoo-sources kernel with genkernel and Sabayon linux > standard configuration, and I am using pulseaudio, but when I launch > firefox or chromium from console and play some sounds, I get lots of > these error messages: > > "ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave" > > I already googled for it but didn't find something helpful. The Zbox has > a HDMI and a standard device: > > # lspci -v | grep -i audio > 00:01.1 Audio device: ATI Technologies Inc Device 1314 > 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40) > > # cat /proc/asound/cards > 0 [Generic ]: HDA-Intel - HD-Audio Generic > HD-Audio Generic at 0xfeb44000 irq 40 > 1 [SB ]: HDA-Intel - HDA ATI SB > HDA ATI SB at 0xfeb40000 irq 16 > > You can find the complete alsa-info output at > http://paste.pocoo.org/show/461744/ > > For me, the interesting part is this section: > > **** List of PLAYBACK Hardware Devices **** > card 0: Generic [HD-Audio Generic], device 3: HDMI 0 [HDMI 0] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: SB [HDA ATI SB], device 0: ALC892 Analog [ALC892 Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > card 1: SB [HDA ATI SB], device 1: ALC892 Digital [ALC892 Digital] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > > Is is possible that ff and chromium are sending data to HDMI since it is > card 0? If you think, it would be helpful to disable card 0 or change > the order, please tell me how to do it? > > I highly appreciate all kinds of help! > > Kind regards, > der Max > >
Have you tried running alsaconf? what happens when you try alsamixer? I tend to hate pulseaudio. I fail to see its purpose, the only time i tried it gave me a big headache. My (totally biased and personal without any techincal background) advice is to stay clear of pulseaudio. -- Leonardo
