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Date:      Mon, 23 Nov 1998 20:56:19 +1030
From:      Greg Lehey <grog@lemis.com>
To:        SysAdmin <sa@ns.online.samara.ru>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: breakpoint on i/o in kernel
Message-ID:  <19981123205619.Q430@freebie.lemis.com>
In-Reply-To: <AAnyMMsCYR@ns.online.samara.ru>; from SysAdmin on Mon, Nov 23, 1998 at 02:20:33PM %2B0000
References:  <AAnyMMsCYR@ns.online.samara.ru>

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On Monday, 23 November 1998 at 14:20:33 +0000, SysAdmin wrote:
> I need breakpoint on i/o in kernel
> How doing this in ddb, or exist another way ?

Well, the syntax is:

 b <address>

<address> can be a hex value or an expression, possibly symbolic.  Are
you asking which address to choose?  Then you need to say what you
want to do.

Greg
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