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Had gentoo linux for years. Original system had working sound, which |
| 2 |
gradually petered out (working in some apps and not others) until no |
| 3 |
sound at all. |
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|
| 5 |
Got a new system, a few months old, set it up according to the ALSA |
| 6 |
guilde (wiki.gentoo.org/wiki/ALSA) but no sound. |
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Physically removed the speakers, plugged into laptop, works fine. |
| 9 |
Put back in desktop (linux) and no sound. |
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linux # lsof /dev/snd/pcmC1D3p |
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linux # speaker-test -t wav -c 2 |
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|
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speaker-test 1.0.27.2 |
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Playback device is default |
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Stream parameters are 48000Hz, S16_LE, 2 channels |
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WAV file(s) |
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Rate set to 48000Hz (requested 48000Hz) |
| 20 |
Buffer size range from 2048 to 8192 |
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Period size range from 1024 to 1024 |
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Using max buffer size 8192 |
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Periods = 4 |
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was set period_size = 1024 |
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was set buffer_size = 8192 |
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0 - Front Left |
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1 - Front Right |
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-- |
| 29 |
I got the sound device from lsof | grep snd with a java app running |
| 30 |
which locks the sound device. Did the above with it shut down. |
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alsamixer shows 2 cards, 1 HDMI, so I presume I got the right 1. |
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The speaker cable is green so I plugged in the middle green hole |
| 34 |
(which also says "line out"). Also tried the other ones ("line in" and |
| 35 |
mic symbol). |
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| 37 |
There are no other audio slots anywhere so I think is a software problem. |
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| 39 |
alsamixer calls the card "HDA AIT SB:" chip "Realtek ALC887-VD" |
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I have PCI/Intel HD Audio/Realtek enabled (plus many others in that group). |
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I'm doing all this testing from root. |
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I've tried everything I can think of, what next? |
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