Joep L. Blom wrote:
Frank Mehnert wrote:
On Friday 18 September 2009, Joep L. Blom wrote:
former posting) but up to know nobody responded. I suspect the
pulse-audio sound system which is notoriously buggy and should be
removed see: >
http://idyllictux.wordpress.com/2009/04/21/ubuntu-904-jaunty-keeping-the-be
ast-pulseaudio-at-bay/ But I am surprised that I should be the only
one with
PulseAudio runs very smooth here for month, never had any problem
(I'm on Debian/Lenny). AFAIK, some Ubuntu versions shipped broken
binaries with all kind of problems.
this problem in virtualbox. It made me look at VMware, but came soon
back
as the Windows XP I have (OEM-version) will not install under VMware!!
I would like to know, however, if there are specific vbox related
solutions for this problem.
Is the sound still distorted if you are using only one guest CPU?
How big is the host CPU load, that is, do you execute some CPU-
intensive applications next to VirtualBox?
Kind regards,
Frank
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Frank,
Thanks for the reply.
I have 1 cpu in use and that goes up to 100%. But the fact that it
changes the timing of playing the music and the constant 'stuttering' of
the sound makes it unusual. Timing is very important as I write music
and timing that is changing is inadmissable.
I don't use any cpu intensive applications besides virtualbox (the other
3 cpu's show loads of 3% to 15 %).
I just tested it. As soon as I start playing the cpu load goes up to
100% and the tempo is constantly lowering.
I use the OOS audio driver and emulated hardware ICH AC97. The audio
chip is NVidia. To monitor my cpu's I use gkrellm, which I think is
indispensable.
Hope you can give me a clue. I haven't as yet removed pulsaudio as
described here:
http://idyllictux.wordpress.com/2009/04/21/ubuntu-904-jaunty-keeping-the-beast-pulseaudio-at-bay/
because I want to detect the real cause of the problem.
Joep
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As an add-on:
Using sound in flash doesn't give any problem (sound is good and cpu
load is minimal) so I assume there is a conflict between alsa and
pulse-audio or OSS and pulse-audio.
Joep
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