[linux-audio-user] Ubuntustudio + ACPI + Jack issues

[Lee Revell]

On Mon, 2006-02-06 at 20:42 +0100, Johannes Mario Ringheim wrote:
> Dana Olson wrote:
> > I'm sorry if I'm an idiot, but how did you disable ACPI? Did you just
> > remove it from the kernel when you were compiling? In the BIOS or
> > something else? Do you just kill acpid?
> 
> Oh, *I'm* sorry, I left that out.
> 
> I put "acpi=off" behind the kernel in /boot/grub/menu.lst as described 
> in the first post here:
> http://ubuntuforums.org/archive/index.php/t-21189.html
> 
> After that the battery-monitor in xfce stops reporting anything, so I 
> guess that's an indication that acpi is really off.
> 

Try booting with ACPI enabled but kill any battery, fan, etc monitors -
anything that seems likely to talk to ACPI.  Some of those utilities are
really braindead and poll the battery status constantly which can put
the CPU into SMM mode which is quite bad for latency.

Lee