OSS sometimes has no sound

OSS is being really weird for me. When I first boot my system the sound never works. I'll go play with ossxmix a bit but ultimately change nothing, and sometimes it will randomly work, sometimes not. Sometimes I'll run an osstest and it will work and then the next one after does not work at all. Ultimately, really random and weird behavior.
ossinfo
Version info: OSS 4.1 (b 1052/200903300132) (0x00040100) GPL
Platform: Linux/x86_64 2.6.29-ARCH #1 SMP PREEMPT Wed Apr 8 12:39:28 CEST 2009 (igloo)
Number of audio devices: 6
Number of audio engines: 10
Number of mixer devices: 1
Device objects
0: osscore0 OSS core services
1: oss_hdaudio0 Intel HD Audio interrupts=6429 (6429)
HD Audio controller Intel HD Audio
Vendor ID 0x8086293e
Subvendor ID 0x103c3603
Codec 0: Unknown (0x111d76b2/0x103c3603)
Codec 2: Unknown (0x10de0006/0x10de0101)
2: oss_usb0 USB audio core services
Mixer devices
0: High Definition Audio 0x111d76b (Mixer 0 of device object 1)
Audio devices
HD Audio play pcm1 /dev/oss/oss_hdaudio0/pcm0 (device index 0)
HD Audio play pcm2 /dev/oss/oss_hdaudio0/pcm1 (device index 1)
HD Audio play spdifout2 /dev/oss/oss_hdaudio0/spdout0 (device index 2)
HD Audio play spdifout3 /dev/oss/oss_hdaudio0/spdout1 (device index 3)
HD Audio rec select3 /dev/oss/oss_hdaudio0/pcmin0 (device index 4)
HD Audio rec select4 /dev/oss/oss_hdaudio0/pcmin1 (device index 5)
/dev/dsp -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_in -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_out -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_ac3 -> /dev/oss/oss_hdaudio0/spdout0
/dev/dsp_mmap -> /dev/oss/oss_hdaudio0/pcm0
/dev/dsp_multich -> /dev/oss/oss_hdaudio0/pcm0
ossmix
Selected mixer 0/High Definition Audio 0x111d76b2
Known controls are:
codec1.jack.fp-black.mode <pcm1|pcm2|mix> (currently pcm1)
codec1.jack.int-black.mode <pcm1|pcm2|mix> (currently pcm1)
codec1.jack.int-mic <0.0dB|16.0dB|32.0dB|48.0dB> (currently 0.0dB)
codec1.jack.black.select5 <spdifout2|select3|select4> (currently select3)
codec1.record.select3 <0.0dB|16.0dB|32.0dB|48.0dB> (currently 0.0dB)
codec1.record.select3.select1 <fp-mic|mic> (currently mic)
codec1.record.select3.select31 [<leftvol>:<rightvol>] (currently 22.4:22.4 dB)
codec1.record.select3.select32 <select1|mix|int-mic> (currently int-mic)
codec1.record.select4 <0.0dB|16.0dB|32.0dB|48.0dB> (currently 0.0dB)
codec1.record.select4.select2 <fp-mic|mic> (currently fp-mic)
codec1.record.select4.select41 [<leftvol>:<rightvol>] (currently 22.4:22.4 dB)
codec1.record.select4.select42 <select2|mix|int-mic> (currently int-mic)
codec1.misc.pcm11 [<leftvol>:<rightvol>] (currently 77.9:77.9 dB)
codec1.misc.pcm21 [<leftvol>:<rightvol>] (currently 80.9:80.9 dB)
codec1.misc.pcm12 [<leftvol>:<rightvol>] (currently 43.4:43.4 dB)
codec1.misc.pcm22 [<leftvol>:<rightvol>] (currently 40.4:40.4 dB)
codec1.misc.select1 [<leftvol>:<rightvol>] (currently 46.4:46.4 dB)
codec1.misc.select2 [<leftvol>:<rightvol>] (currently 38.9:38.9 dB)
codec1.misc.mix <pcm1|pcm2|select1|select2> (currently pcm2)
codec1.misc <-28.-8dB|-19.-2dB|-9.-6dB|0.0dB|mute> (currently -28.-8dB)
vmix0-enable ON|OFF (currently ON)
vmix0-rate <decimal value> (currently 48000) (Read-only)
vmix0-channels <Stereo|Multich> (currently Stereo)
vmix0-src <Fast|Low|Medium|High|High+|Production|OFF> (currently Fast)
vmix0-outvol <monovol> (currently 25.0 dB)
vmix0-invol <monovol> (currently 25.0 dB)
vmix0.pcm6 [<leftvol>:<rightvol>] (currently 20.8:20.8 dB)
vmix0.pcm7 [<leftvol>:<rightvol>] (currently 20.8:20.8 dB)
vmix0.pcm8 [<leftvol>:<rightvol>] (currently 20.4:20.4 dB)
vmix0.pcm9 [<leftvol>:<rightvol>] (currently 20.4:20.4 dB)
For example, before I started typing this post it wasn't working. Now it's working fine. Ahhhh!
If it helps at all, alsa does not have any problems on this system. I'd love to be able to finally get OSS working though.
Last edited by Statix (2009-04-13 19:06:02)

I should have asked earlier, but you have blacklisted the soundcore module (which loads Alsa) correct? Or they would race to get the sound card.
Also,I noticed that your devices are HD Audio and USB. The wiki says that support for usb and hd is experimental (read buggy).
EDIT: But then again, this website says that Intel HD Audio and Intel AC'97 are both supported. Go figure !
Last edited by Inxsible (2009-04-13 19:47:03)

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