Re: Realtime, but many xruns when jack is started. Debian Etch

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I started having some problems with xruns recently (once I started
going beyond working only with soundfonts in the soundcard) and it
turned out that jack was failing to acquire realtime privileges. This
turns out to be a known issue with Ubuntustudio. It can be remedied by
making sure you have lines such as the following somewhere in
/etc/security/limits.conf :


@audio - rtprio 99
@audio - memlock 512000
@audio - nice -10

Robert

porl sheean wrote:
> i have had no end of trouble with this one. always get glitchy
> audio and *hundreds* of xruns. when i downloaded and used the
> kernel from 64studio (still running ubuntu though) they went away.
> i did a diff of the kernel configs and couldn't see anything that
> explains it (although it has been a long time since i played around
> in kernel config land, so some options may have eluded me... good
> old gentoo days :). i can only assume that some patches are in one
> of the kernel that are causing the issue, or maybe the fact that
> gutsy's rt kernel has more drivers is causing conflict.
>
> i will try the script mentioned earlier (rt-setup-report.sh) on
> each and compare the difference. maybe it is as simple as an irq
> priority or something.
>


- --
Robert Persson
ireneshusband@xxxxxxxxx


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