[Novalug] OpenSuse 10.2 box locked up, had to reboot to clear
franklin at elfie.org
Wed Jan 24 11:15:17 EST 2007
It's a bit of code in either the keyboard, serial or terminal driver. A
box can be pretty hosed and have it still work. Basically, if it is
still handling keyboard/serial interrupts, it should work. Certainly,
if you can't ssh in, but you can ping the box, it'll work.
On Sun, 2007-01-21 at 22:10 -0500, Jay Hart wrote:
> Nope, nope, its not confusing.
> I understand its a key combination, set via a kernel variable.
> My question is: If you have to use this the box must be hosed. Given this, what percentage of the time will this work?
> Under what conditions would it not work?
> > On Sun, 21 Jan 2007 16:47:02 -0500 (EST)
> > "Jay Hart" <jhart at kevla.org> wrote:
> >> So, how would this work if your PC is plugged into a KVM siwtch, and
> >> you can't ping the box, and you don't have a serial connection?
> >> I'm trying to understand how I can use this idea if I get into this
> >> situation again.
> > "The magic SysRq key is a KEY COMBINATION in the Linux kernel", i.e.it
> > can be available via any system console, root console or console, a
> > keyboard, a serial connection, ...
> > I posted the second link as it pretty much explains what is needed in
> > the kernel and setting the kernel variable to disable SysRq. I just
> > assumed you would extrapolate what you needed from the howto and didn't
> > realize it would be confusing.. Just ignore the howto title, reverse to
> > enable instead of disable and then try it out on the keyboard.
> > I think the first link http://en.wikipedia.org/wiki/Magic_SysRq_key is a
> > pretty good run down, maybe because I've used SysRq before?
> > Thank you
> > Russell
> Novalug mailing list
> Novalug at calypso.tux.org
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