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To: John Baldwin <jhb@FreeBSD.org>
Cc: Matthew Jacob <mjacob@feral.com>, cvs-all@FreeBSD.org,
	cvs-committers@FreeBSD.org
Subject: Re: cvs commit: src/sys/isa sio.c 
In-Reply-To: Your message of "Wed, 20 Jun 2001 09:53:41 PDT."
             <XFMail.010620095341.jhb@FreeBSD.org> 
Date: Wed, 20 Jun 2001 18:04:26 +0100
From: Ian Dowse <iedowse@maths.tcd.ie>
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In message <XFMail.010620095341.jhb@FreeBSD.org>, John Baldwin writes:
>
>> Was this tested on alpha?
>
>I will shortly.  It might make my life a lot easier as I might finally get a
>chance to break into my livelocked SMP rawhide now.  Doing stack traces and
>what not via memory dumps from SRM is much more painful compared to ddb. :)

Thanks - I didn't actually test in on the alpha, but the change
only touches the MI section of the sio driver, so it's unlikely to
break anything there (famous last words!).

I'm not sure exactly when during the bootup sequence the
break-to-debugger will become effective now; it's either just after
the "sio" probe message or a bit later if CPU interrupts aren't
enabled then.

Ian

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