Re: dump device

[H. Peter Anvin]

Followup to:  <[e-mail]>
By author:    [e-mail]
In newsgroup: linux.dev.kernel
> 
> no, for the simple reason that if the system is crashed,
> it's unsafe to attempt _any_ kind of work, including IO
> to a dedicated device.
> 

Not really.  You just can't rely on the kernel code, nor on IRQ or DMA
to work.  A simple enough device like a serial or parallel port, where
you can have a dedicated "crash dump driver" would work just fine
(then you would have another computer as "flight recorder" take the
output, of course.)

	-hpa
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