Continous buzzing sound in kde

Hi,

In slackware 9.1 where I had to change from alsa to OSS sound system due to
distorted sounds with alsa I still can not open kde desktop.

Trying to do so I get a continuous, annoying buzz, necessitating a quick
ctrl-alt-backspace retreat.

This shows on the console:

AudioIO::close(): entering
AudioIOOSSThreaded::stopThread() entering
waiting for writerThread to finish
AudioIOOSSTHreaded::writerThread() fatal error writing to a audio_fd
AudioIOOSSThreaded::writerThread() thread stopped
AudioIOOSSTHreaded::readerThread() fatal error reading from audio_fd
AudioIOOSSThreaded::readerThread() thread stopped
waiting for readerThread to finish
AudioIOOSSThreaded::stopThread(): leaving
AudioIO::close(): leaving

Any suggestions to stop this buzzing sound?

There is no sound problem anymore with gnome or fvwm2.

lsmod gives:

Module Size Used by Not tainted
bsd_comp 4312 0 (autoclean)
ppp_async 7552 0 (autoclean)
ppp_generic 15452 0 (autoclean) [bsd_comp ppp_async]
slhc 5040 0 (autoclean) [ppp_generic]
pcmcia_core 40032 0
ide-scsi 9424 0
via82cxxx_audio 19704 0
ac97_codec 12296 0 [via82cxxx_audio]
soundcore 3332 2 [via82cxxx_audio]
agpgart 39576 0 (unused)

Chipset: P4M266/A Northbridge and VT8235 Southbridge

AC'97 Audio Codec: Compliant with AC'97 2.1 specs.
16-bit stereo full-duplex CODEC with fixed 48KHz sampling
rate.
Sound Blaster, Sound Blaster Pro Compatible


Regards
--
Peter



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Re: Continous buzzing sound in kde

On Sunday 28 March 2004 03:26, Peter H. wrote:
> Hi,
>
> In slackware 9.1 where I had to change from alsa to OSS sound system due to
> distorted sounds with alsa I still can not open kde desktop.


Having one of these chipsets i sympathise with you, however i dont have your
problem.

> Trying to do so I get a continuous, annoying buzz, necessitating a quick
> ctrl-alt-backspace retreat.

So it seems the problem arises when kde is starting, this would point to the
file (default sound file) KDE_Startup.wav found in /opt/kde/share/sounds/

The funtion audio_fd is another word for /dev/dsp (at least it is normally),
I would simply move or rename KDE_Startup.wav and see what happens.

The buzzing sound would possably interpret a missed interrupt or some
interrupt sharing problem, if you use google.com/linux you may well see that
others have reported simalar problems at some time or other.

Of course it could well be that the .wav may be corrupted in some way and
kicks the problem off.

You could once again use strace to catch the problem, however be prepared if
you do for one hell of a big strace file.

>
> This shows on the console:
>
> AudioIO::close(): entering
> AudioIOOSSThreaded::stopThread() entering
> waiting for writerThread to finish
> AudioIOOSSTHreaded::writerThread() fatal error writing to a audio_fd
> AudioIOOSSThreaded::writerThread() thread stopped
> AudioIOOSSTHreaded::readerThread() fatal error reading from audio_fd
> AudioIOOSSThreaded::readerThread() thread stopped
> waiting for readerThread to finish
> AudioIOOSSThreaded::stopThread(): leaving
> AudioIO::close(): leaving
>
> Any suggestions to stop this buzzing sound?
>
> There is no sound problem anymore with gnome or fvwm2.
>
> lsmod gives:
>
> Module Size Used by Not tainted
> bsd_comp 4312 0 (autoclean)
> ppp_async 7552 0 (autoclean)
> ppp_generic 15452 0 (autoclean) [bsd_comp ppp_async]
> slhc 5040 0 (autoclean) [ppp_generic]
> pcmcia_core 40032 0
> ide-scsi 9424 0
> via82cxxx_audio 19704 0
> ac97_codec 12296 0 [via82cxxx_audio]
> soundcore 3332 2 [via82cxxx_audio]
> agpgart 39576 0 (unused)
>
> Chipset: P4M266/A Northbridge and VT8235 Southbridge
>
> AC'97 Audio Codec: Compliant with AC'97 2.1 specs.
> 16-bit stereo full-duplex CODEC with fixed 48KHz
> sampling rate.
> Sound Blaster, Sound Blaster Pro Compatible
>
>
> Regards

--
If the Linux community is a bunch of theives because they
try to imitate windows programs, then the Windows community
is built on organized crime.

Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/



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Re: Continous buzzing sound in kde

Thanks Richard!

I solved the problem!!!

In the control center sound system in Sound I/O disable "Enable full duplex
operation".

Regards
--
Peter

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Re: Continous buzzing sound in kde

On Monday 29 March 2004 10:32, Peter wrote:
> Thanks Richard!
>
> I solved the problem!!!
>
> In the control center sound system in Sound I/O disable "Enable full duplex
> operation".

In the trace you sent me i found;

ioctl(3, SNDCTL_TMR_TIMEBASE, 0xbffff640) = -1 ENOTTY (Inappropriate ioctl for
device)

Yes, i was about to write to you, the above is what i think is/was the
problem, however it should not cause a buzzing sound, anyway glad it now
works.

> Regards

--
If the Linux community is a bunch of theives because they
try to imitate windows programs, then the Windows community
is built on organized crime.

Regards Richard
pa3gcu@zeelandnet.nl
http://people.zeelandnet.nl/pa3gcu/



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