On Fri, Nov 17, 2006 at 10:59:32PM -0800, H. Peter Anvin wrote:
> Oleg Verych wrote:
> >
> >It will burn CPU, until power cycle will be done (my AMD64 laptop and
> >Intel's amd64 destop PC require that). In case of reboot timeout (or
> >just reboot with jump to BIOS), i will just choose another image to boot
> >or will press F8 to have another boot device.
> >
>
> That's a fairly stupid argument, since it assumes operator intervention,
> at which point you have access to the machine anyway.
I would never call *power cycle* stupid, just because from physics
point of veiw.
Example. I have my flower.upol.cz many kilometers far away from me.
I used to boot it from that flash (new hardware, sata problems, etc).
When something goes wrong with rc kernel or power source, bum.
And i had to move my ass there, just to press reset. Because.
While i have "power on, on AC failures" in BIOS, *sometimes* flash
will not boot (i don't know why, maybe it's GRUB+flash-read,
or BIOS usb hdd implementation specific).
DTR laptop ~33% doesn't boot that flash. And laptop has no reset button.
Operator is present, so your consern is right here.
> A stronger argument is, again, that some bootloaders can do unattended
> fallback.
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