[LAU] ACPI, HW and Jack issues? "[solved]"

hollunder at gmx.at hollunder at gmx.at
Wed May 13 17:06:05 EDT 2009


On Wed, 13 May 2009 15:50:08 -0500 (CDT)
Brent Busby <brent at keycorner.org> wrote:

> On Wed, 13 May 2009, Jostein Chr. Andersen wrote:
> 
> > On Friday 08 May 2009 08.36.53 Jostein Chr. Andersen wrote:
> > ...
> >> First, this is my system: Kubuntu 9.04 with 2.6.28-3-rt (noacpi
> >> nosmp (the system freezes w/o nosmp, possible because of the
> >> nvidia x-driver)), jack
> > ...
> >
> > I did the ultimate "hack": I bought an ATI Radeon based card (ASUS
> > EAH3450) and ripped off the GForce 8400G.
> >
> > The result: xrun-free latency down to 0.726 ms without any IRQ
> > priority adjustments. I use my beloved KDE 4 at the same time
> > without any problems so now I'm very, very happy! I'm not any hurry
> > for optimizing the machine further (the shared IRQ problem etc),
> > even when it can be much better.
> 
> Wow...just for reference, what kind of motherboard/cpu was this?
> There are probably a lot of people (like me) that would like to know
> the hardware when a success story is achieved.  Also, what audio card
> and distro?
> 
> (Less than a millisecond??)  :-O
> 

The question is if this is a calculated or real (measured) value.
Consider measuring with jdelay.

Regards,
Philipp



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