[Bug 579117] Re: Wireless blocks USB-Audio, leading to dropouts

[Chris Hermansen]

Ok no one is in a hurry to get to bed here, so I tried it.

I disabled wireless by using the "disconnect" in NetworkManager applet;
then I used sudo ifconfig wlan0 down to disable it.

I don't have a wired connection, though I notice eth0 is up as well.
Anyway, I didn't touch it.

So, the results!

There are still some big latencies!  I don't know if this is actually
much of an improvement, though I guess it's a bit better in terms of how
many larger latencies there are.

I've attached the histogram, sorted once again by decreasing # of
instances.

For reference, the cyclictest command I used was:

sudo time cyclictest --histogram=1000000 > his_without_wireless.txt

I played about 8 minutes of music with no underruns.


** Attachment added: "his_without_wireless_sorted.txt"
   http://launchpadlibrarian.net/49059464/his_without_wireless_sorted.txt

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Wireless blocks USB-Audio, leading to dropouts
https://bugs.launchpad.net/bugs/579117
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