[LAU] how to install the real time preempt kernel in ubuntu12.04 and make it the defult?
ralf.mardorf at alice-dsl.net
Tue Aug 21 05:54:46 UTC 2012
On Mon, 2012-08-20 at 16:52 -0700, Len Ovens wrote:
> On Mon, August 20, 2012 3:56 pm, Brett McCoy wrote:
> > On Mon, Aug 20, 2012 at 6:23 PM, Ralf Mardorf
> > <ralf.mardorf at alice-dsl.net> wrote:
> >> On Mon, 2012-08-20 at 18:12 -0400, Brett McCoy wrote:
> >>> On Mon, Aug 20, 2012 at 5:55 PM, trahern culver
> >>> <sound.warrior20 at gmail.com> wrote:
> >>> > how do I install the preempt kernel in ubuntu12.04 and make it the
> >>> default kernel?
> >>> Are you sure you need the realtime kernel? If you want to install
> >>> Ubuntu and are going to do audio work, I recommend you install Ubuntu
> >>> Studio, as it has everything setup out of the box for audio work,
> >>> including jack with realtime scheduling (for which you do NOT need the
> >>> realtime kernel).
> >> +1 for US, but don't expect hat "threadirqs" is set up.
> > I've never needed to do anything with "threadirqs" on Ubuntu Studio,
> > but maybe it's not necessary for the hardware I am using.
> I think it is the rtirq script that may need setup. It seems to be ok as
> is for an internal audio interface, but changing things does seem to help
> for firewire or USB interfaces. This is especially true in a case where an
> internal audio interface is not being used, but can't be disabled in bios.
Yes, taking care about the status of rtirq is a good thing.
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