[LAU] xrun problems. (Was Re: Introduction to Ardour 3.0 MIDI)

[Diego Simak]

2011/3/31 david <gnome at hawaii.rr.com>:
> I have a UCA202, also. Make sure it's the *only* device attached to whatever
> USB controller you've hooked it to. USB sucks when multiple devices share a
> controller! On my setup, it wouldn't work correctly at all until I put it on
> its own USB port.

I have used a mouse with another USB port, don't really know if it
uses the same controller, but good to know that.

>
> On my laptop, even with the wireless antenna turned off, the wireless driver
> period pops up and scans for networks. Of course, it finds none, but while
> it's interacting with the wireless hardware, it causes xruns. IIRC, some
> folk on the list said to blacklist the wireless module so it doesn't even
> get loaded?
>

I'm using Gnome what I'm doing is todeselect the "Enable Networking"
in the nm-applet and also turn off the wireless RF.
I still need to learn more about the usb audio i/f and see if the wifi
device support MSi that would help as was said before.

> I've also heard that the binary NVidia drivers do not cooperate with RT
> work.
>

I have a ATI Radeon driver installed, I will try to remove this driver
and see how it works.


> I've glad you were able to make a Pengutronix kernel work. I couldn't make
> their kernel work at all. So far, the RT kernel in Aptosid seems to be
> working very well on my desktop PC, so I'm planning to try it on my laptop.

I just followed the instructions described here:

http://www.pengutronix.de/software/linux-rt/debian_en.html
What's the Aptosid RT kernel version?

Thank you very much.
Diego


> Diego Simak wrote:
>>
>> Hi,
>> I've done all the optimizations recommended by the
>> realtimeconfigquickscan script detailed here below.
>> I followed all the recommendations included in the jackaudio.org FAQ.
>> I've recompiled my own rt kernel from peguntronix and kernel.org also.
>>
>> I'm also get xruns with the system without load and I've observed that
>> just disabling the wifi network helps a lot and no more xruns are
>> observed.
>>
>> I'm using ubuntu 9.10 with Jack1 and a cheap (but decent) Behringer
>> UCA202 audio i/f.
>>
>> Bye
>> Diego
>>
>>
>> 2011/3/30 Fabio <capoeirista at arcor.de>:
>>>
>>> i guess you guys know the realtimeconfigquickscan script?
>>> http://code.google.com/p/realtimeconfigquickscan/
>>>
>>> if not, it could help out to solve some problems
>>>
>>>
>>> Greets
>
>
> --
> David
> gnome at hawaii.rr.com
> authenticity, honesty, community
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