Greetings, ( + )!( + )
On Jul 5, 2005, at 12:03 AM, Lou Wilson wrote:
My mac mini - running 10.4.1, 1.25gHz, 1gB -
I have verbose bootup enabled.
There is an item that puzzles me.
"DigiIO has a funnel lock. Whoa mamma!"
WTF is a funnel lock?? And is "Whoa mamma" a GOOD thing or a BAD
thing?
--
The Mac OS X kernel uses locking to enforce these constraints. In
Panther and earlier, any code that needs to call into the kernel to get
its work done first has to grab the "kernel lock." If another thread
already has the lock, the thread that wants it simply has to wait until
it becomes available again. Now imagine 50 different threads all trying
to get the kernel lock at the same time and you have what is known as
"lock contention." The lock itself is also known as a "funnel" because
it conceptually funnels all of the contending threads into a single,
serialized stream of activity.
To read the whole story see;
http://arstechnica.com/reviews/os/macosx-10.4.ars/4
It sounds like you have a "DigiIO" that is trying to multi thread the
kernel and OS 10.4 doesn't like that to happen.
Or if your running "Pro Tools TDM" see;
http://www.digidesign.com/download/cs/67cs5/hdmac/
Best Regards,
Harry (*^_^*)
--
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