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Date:      Sat, 9 Feb 2013 11:57:31 -0600
From:      Mark Felder <feld@feld.me>
To:        freebsd-questions@freebsd.org, Joshua Isom <jrisom@gmail.com>
Subject:   Re: Linux's "magic" sysrq
Message-ID:  <op.wr82t5mu34t2sn@tech304.office.supranet.net>
In-Reply-To: <51159C4E.7070309@gmail.com>
References:  <51159C4E.7070309@gmail.com>

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On Fri, 08 Feb 2013 18:46:06 -0600, Joshua Isom <jrisom@gmail.com> wrote:

> I was reading the comments on a slashdot article about moving kernel  
> console to userland.  One thing that came up with Linux's sysrq support,  
> documented at http://en.wikipedia.org/wiki/Magic_SysRq_key to see the  
> abilities.  I'd never heard of this, and I doubt FreeBSD has anything  
> similar, but have I just never heard of it?
>

It's one of the few things I actually miss from Linux. Server hose?  
Alt+SysRq+RSEIUB (raising skinny elephants is utterly beautiful) and you  
have killed all processes, synced data to disk, unmounted drives, and  
rebooted the server.

They're going to lose a lot more than the Magic SysRq if they move to  
userland...



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