From owner-freebsd-hackers@FreeBSD.ORG  Mon Dec 12 19:11:49 2011
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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-hackers@freebsd.org,
 Andriy Gapon <avg@freebsd.org>
Date: Mon, 12 Dec 2011 20:09:12 +0100
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Cc: usb@freebsd.org, mdf@freebsd.org
Subject: Re: kern_yield vs ukbd_yield
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On Monday 12 December 2011 20:05:38 John Baldwin wrote:
> > Hi,
> >
> > 
> >
> > > hselasky@ or someone else familiar with the various usb threads would
> > > have to answer that.
> >
> > 
> >
> > The problem is only during init() where the init thread has highest
> > priority  and that doesn't allow other threads to run even if the
> > scheduler is
> 
> running!
> 
> Hmm, that should be fixed by lowering the relevant thread's priority.
> Do you mean thread0 (the one doing all the SYSINIT's or thread we create
> for init (pid 1) before it executes init?

Yes, thread0. Correct!

--HPS