intel ich7 -sharp self-oscillating Noise

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intel ich7 -sharp self-oscillating Noise

Postby kusky » Mon Jul 23, 2007 1:26 pm

I installed windowsXP and solaris 10 on my compaq presario v3172 with ich7.()
when i install oss4.0-1004 on solaris.and osstest:
Code: Select all
# osstest
Sound subsystem and version: OSS 4.0 (build 1004/200707062145) (0x00040002)
Platform: SunOS/i86pc 5.10 Generic_118855-14

*** Scanning sound adapter #-1 ***
/dev/oss/hdaudio0/pcm0 (audio engine 0): Intel HD Audio pcm1 output
Note! Device is in use (by PID 0/VMIX) but will try anyway
- Performing audio playback test...
  <left> OK <right> OK <stereo> OK <measured>
/dev/oss/hdaudio0/spdout0 (audio engine 1): Intel HD Audio spdifout1 output
- Performing audio playback test...
  <left> OK <right> OK <stereo> OK <measured>
/dev/oss/hdaudio0/pcm1 (audio engine 2): Intel HD Audio pcm2 output
- Performing audio playback test...
  <left> OK <right> OK <stereo> OK <measured>
/dev/oss/hdaudio0/pcmin0 (audio engine 3): Intel HD Audio rec input
- Skipping input only device

*** All tests completed OK ***

"/dev/oss/hdaudio0/pcm1 (audio engine 2): Intel HD Audio pcm2 output
- Performing audio playback test..."
it sound well-left,right,and mix
but the realplayer didn't make any sound.
if i run
#ossmix connector.speaker.function mix
(the old value is pcm2)

and the realplayer sounds well.

howerer,if i turn off the speaker in windowsXP and reboot into solaris,the speaker just make a sharp self-oscillating Noise.even if I reboot into windowsXP and turn the speak on ,it will never to be nice.

Code: Select all

bash-3.00# ossmix
Selected mixer 0/
Known controls are:
        connector.black1.function <mix> (currently mix)
        connector.black1 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        connector.black2.function <mix> (currently mix)
        connector.black2 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        connector.lineout.function <pcm2> (currently pcm2)        connector.lineout <both>[:<rightvol>] (currently 37.4:37.4 dB) <mic> (currently mic-in)
        connector.mic.function <mic> (currently mic-in)
        connector.speaker.function <pcm2> (currently pcm2)
        connector.speaker <both>[:<rightvol>] (currently 37.4:37.4 dB)
        record.rec <both>[:<rightvol>] (currently 17.9:17.9 dB)
        record.rec.src <mix> (currently select1)
        misc.pcm1 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        misc.mix.pcm1 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        misc.mix.select2 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        misc.mix.select1 <both>[:<rightvol>] (currently 37.4:37.4 dB) <both>[:<rightvol>] (currently 37.4:37.4 dB)
        misc.select1.out <0> (currently 38.4dB)
        misc.select1.src <lineout> (currently mic)
        misc.select2.src <black2> (currently black2)
        misc.pcm2 <both>[:<rightvol>] (currently 37.4:37.4 dB)
        vmix0-src <Fast> (currently Fast)
        vmix0-vol <monovol> (currently 25.0 dB)
        vmix0-out <leftVU>:<rightVU>] (currently 0:0)
        vmix0-out.pcm4 <monovol> (currently 25.0 dB)
        vmix0-out <leftVU>:<rightVU>] (currently 0:0)
        vmix0-out.pcm5 <monovol> (currently 25.0 dB)
        vmix0-out <leftVU>:<rightVU>] (currently 0:0)
        vmix0-out.pcm6 <monovol> (currently 25.0 dB)
        vmix0-out <leftVU>:<rightVU>] (currently 0:0)
        vmix0-out.pcm7 <monovol> (currently 25.0 dB)
        vmix0-out <leftVU>:<rightVU>] (currently 0:0)
        vmix0-in <leftVU>:<rightVU>] (currently 0:0)

and ,when boot
Code: Select all
notice:Unknown HDA codec 0x14F15047
pin widget 19 is EAPD capable
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