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At Fri, 20 Apr 2007 23:41:02 +0100, Andrew Doran wrote:
Subject: Re: 3.1_STABLE and SMP
>=20
> That should not happen unless there is a bug somewhere. How many CPUs does
> the machine have? If it happens again, could you ask the custy to do a:
>=20
> mach cpu 0
> tr
> mach cpu 1
> tr
> mach cpu ...
> tr

I keep forgetting that a trace on each CPU can be helpful.


> A dump of the held simplelocks would be good to get too, but I can't
> remember the particular function to call from ddb.

That's the one I mentioned, simple_lock_dump() (which you only get with
options LOCKDEBUG).  See lock(9).

--=20
						Greg A. Woods

H:+1 416 218-0098 W:+1 416 489-5852 x122 VE3TCP RoboHack <woods@robohack.ca>
Planix, Inc. <woods@planix.com>       Secrets of the Weird <woods@weird.com>

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