On Tue, Aug 18, 2009 at 11:23 PM, Daniel O'Connor <[email protected]>wrote:


> Unfortunately it seems that _something_ blocks interrupts for >4
> milliseconds, however I have no real idea how to go about finding what
> it is.. Does anyone have any suggestions? (apart from get a new DAQ
> card, I know this one already :)


This is a huge shot-in-the-dark, but could this be something like ACPI or
some other motherboard legacy cpu-using evil?  Would it be possible to test
on something opposite-ish of what you're using (ie: amd vs. intel) just to
cycle out all the potential goo?
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