Subject: Re: delay before cpu_reset()
To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Stefan Grefen <grefen@hprc.tandem.com>
List: tech-kern
Date: 10/10/1998 00:44:16
In message <199810091923.MAA05218@lestat.nas.nasa.gov> Jason Thorpe wrote:
> On Fri, 09 Oct 1998 20:09:13 +0200
> Stefan Grefen <grefen@hprc.tandem.com> wrote:
>
> > Yes, (re)booting on a x86 is slow enough we don't have to make it worse.
> > For a server you want it to come up as fast as possible ..
>
> Slow because reboot/halt currently (and incorrectly) wait for everything
> to die. That's shutdown's job.
I was thinking about a reboot after a panic, thats what this is about.
>
> > Please:
> > 1) do it only for pcconsole, comconsole doesn't need it
>
> Not. What about the case where IDE disks, which CANNOT be issued a
> "flush your cache" call, are still writing their data?
That shouldn't matter after a panic , as we don't turn the power of
and just reboot.
Stefan
>
> Jason R. Thorpe thorpej@nas.nasa.gov
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--
Stefan Grefen Tandem Computers Europe Inc.
grefen@hprc.tandem.com High Performance Research Center
--- Hacking's just another word for nothing left to kludge. ---