On 28/04/10 16:03, Jan Engelhardt wrote:
On Wednesday 2010-04-28 16:54, John Haxby wrote:
use-case I see -- the one I see is where the sys admins used to have a "crash
trolley" which was a console and PS/2 keyboard which they could plug into a
machine to get some information, but as many rack machines no longer have
anything PS/2 and USB hot plug is unlikely to work on a sick machine
Oh I can tell you stories... sometimes it's so dead in the water that
the console unblanking would not work any more, rendering even any PS/2
useless. Stupid southbridge chipsets blowing up DMA :-)
There's no hope in that case :-) Just take the machine out and give it
a decent burial.
On the other hand it's not uncommon to see reports that a machine has
"hung totally" that include output from ping to show that it hasn't.
Actually it's amazingly common to see this. And in just this situation
xt_SYSRQ is still quite likely to work.
jch
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