Re: core dumps on signals

Pavel Machek (
Sat, 27 Feb 1999 23:03:25 +0100


> > > PWR n/a exit (normal systems would ignore by default)
> >
> > I don't think so; SIGPWR sent to init means it should shut down the
> > system as soon as possible. If init dies, the system gets uncleanly
> Not exactly. SIGPWR is a "Power Restored" in SYS5 unix such as the NCR
> tower. This is quite a common confusion.
> The way NCR use it for example on the old towers is that the box has
> a battery (a big one), when the power goes off it switches to battery
> and hibernates. This works well - we've carried machines between floors
> without rebooting.

This should be doable with linux and suspend patches. Yes, linux is
now able to hibernate itself with suitable patches.

As a side note, please DON'T recycle SIGUNUSED unless you really have
to. Suspend patches are using it ;-).


I'm really 	   Pavel
Look at ;-).

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