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Date:      Sun, 15 Dec 2002 19:42:37 +0200
From:      Giorgos Keramidas <keramida@ceid.upatras.gr>
To:        Shyam <shyamk@eth.net>
Cc:        freebsd-newbies@freebsd.org
Subject:   Re: SysRq on BSD ?
Message-ID:  <20021215174237.GI9246@gothmog.gr>
In-Reply-To: <001201c2a3f3$9967eae0$e8a709ca@u4k8x8>
References:  <001501c2a36c$60c65000$16ba09ca@u4k8x8> <20021214175243.GA36106@gothmog.gr> <001201c2a3f3$9967eae0$e8a709ca@u4k8x8>

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Giorgos Keramidas <keramida@freebsd.org> wrote:
> On 2002-12-14 17:49, Shyam <shyamk@eth.net> wrote:
> > In Linux , you have the Magic keys Alt + SysRQ + s,u,b,o,u,t,....
>
> What are they for?  I seem to remember they weren't there (or I didn't
> know abou them) back in 1998 when I started using FreeBSD.
>
> Anywhere we could find a description of their use?

On 2002-12-15 10:05, Shyam <shyamk@eth.net> wrote:
> I think any Linux site would boast about having this topic either as
> a HOW-TO or a discussion. tldp.org is their documentation project ,
> where you can get all HOW-TOs or I will just grab the documentation
> from Linux box marked underneath .
>
[snip copy of sysrq docs]

A lot of those tasks can be done within the `kernel debugger' of
FreeBSD.  Not all of them, and some not as easily, but similar
functionality is present.  Look at the ddb(4) manpage and at the
commends for the options DDB and DDB_TRACE of the FreeBSD kernel.

- Giorgos


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