PulseAudio opens the audio recording device to monitor sound input levels even when it isn't recording. Set record=0 in the config and you should be able to have sound output without making the entire session slow.
Thanks, William Yang Sent from my mobile device. -----Original Message----- From: Patrick Archibald <[email protected]> Sent: Wednesday, December 23, 2009 9:08 AM To: [email protected] Subject: Re: [SunRay-Users] Ubuntu SRSS 4.2 performance issues over VPN/DSL connection I've think I have gotten to the true cause of my VPN/DSL performance issue on Ubuntu 9.10 SRSS 4.2. It is the black eye of a number of Linux distributions, Pulse Audio. I was experiencing horrible performance over VPN/DSL. I removed pulse audio with the following command: sudo apt-get remove pulseaudio I then rebooted. The latency from the utcapture command dropped from 32066 to 35. So, now how do we fix it? Via my Netopia DSL modem admin interface I could see many tx packet discards. It looks like pulse audio is transmitting an huge amount of data which clobbers the performance. What is causing pulse audio to transmit so much data when I am not using any audio applications? Thanks, PLA
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