force a dump on a hung system?

[Neil Horman]

On Tue, Mar 18, 2008 at 09:48:57PM +0100, Bernhard Walle wrote:
> * Jay Lan <jlan at sgi.com> [2008-03-18 21:45]:
> > BTW, the SYSRQ_ENABLED in /etc/sysconfig/sysctl is not set
> > by default. Any bad side effect of setting it?
> 
> AFAIR security concerns.
> 
> May I ask how RedHat/Fedora handles that?
> 
> 
With defaults IIRC. We have them enabled during boot (in case of a problem on
bootup, disable them in rc.sysinit).  /proc/sysrq-trigger is always available
though, and protected via filesystem permissions
Neil

>         Bernhard
> 
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