JACK suddenly started giving XRUNS

[Louigi Verona]

Hey guys!
I've been using my Ubuntu fine, however today, rehearsing before the show, I have found that my Ubuntu OS seemed to have gone slower. Before JACK never gave me XRUNs, but now it is giving them all the time, even as I switch between windows of apps.
I do not use an rt-kernel, since this is jaunty and rt doesn't work well on jaunty (in my case I can't even boot up with rt, it screws up graphics). But this setup had been fine for me and worked okay before.
What could've gotten wrong? Is there anything that can be done to make the system go back to its original performance?

[raboof]

Laptop? Is turning off support for wireless an option?

[StudioDave]

Check your settings in /etc/security/limits.conf. For some unknown reason Jaunty will occasionally overwrite my settings there.

Best,

dp

[Louigi Verona]

Turning wireless was the first thing I did but it did not help.

As for limits.conf - I actually installed Ubuntu Studio Controls and use that...

(during the show used AV Linux - nice distro, very low latency, not a single xrun during the whole concert).

[autostatic]

As for limits.conf - I actually installed Ubuntu Studio Controls and use that...

I don't know about Jaunty but on Karmic the Ubuntu Studio Controls messes up your limits.conf: https://bugs.launchpad.net/ubuntustudio ... bug/454082

So I would definitely check it, you just never know. And maybe some cron job took performance down, last week I encountered an almost similar issue (Ubuntu 9.10) and found out some cron job slowed everything down significantly, in my case /etc/cron.weekly/apt-xapian-index.

[Louigi Verona]

Now AVLinux started to give Xruns. What I did was install Patchage, but nothing else. Weird.

[Louigi Verona]

I think the reason was that I used USB headset - it really made a difference when I switched to my M-Audio Fast Track. No XRUNs now.

[Chipfryer]

I've followed through this and found no changes in my limits.conf.
I did get a root upgrade from Mint but this happened before that.
Anything else I can try please?

[autostatic]

@Chipfryer, what are you trying to achieve?

[Chipfryer]

Just stopping the Xruns.
They are not supposed to happen right?

@Chipfryer, what are you trying to achieve?