Interrupt latency problems

[Andrew Gallatin]

Paul Richards writes:
 > 
 > I tried shifting the irq around last night, the bios does support this.
 > I definitely think there's something to this theory, when I put it on
 > irq 10 the problem got a whole lots worse to the point that the machine
 > couldn't be used and I had to reboot it (just error messages streaming
 > past on the console).
 > 
 > Unfortunately, I don't know what else was on irq10 at the time since
 > they move around when I change the bios settings.
 > 
 > I'm continuing to poke around to find out exactly what's causing
 > what....

I have this vague memory that the acpi always uses irq 9.  Perhaps
you inadvertently moved something else which generates more interrupts
onto irq 9..

Drew