Dan Nelson wrote:
In the last episode (Nov 25), Terry Lambert said:
Marcin Dalecki wrote:
I don't think this is really possible.
I went looking for a generic "application use" CMOS are for this
sort of thing a while back, and I was unable to find one.
Well you should please take a look at the "fast boot" option of
moderately modern BIOS-es. Somthing along those lines went right
now in to the linux kernel. Seems pretty adequate to me, since you
would be even able to controll it through the BIOS setup...
Is there documentation available for this anywhere? The BIOS vendor
documentation, not the Linux source code.
http://www.microsoft.com/hwdev/resources/specs/simp_bios.asp
http://www.microsoft.com/hwdev/resources/specs/simp_boot.asp
is the best I could find; you'll need a Word doc viewer.
OpenOffice works fine on my FreeBSD setup ;-).
It's mainly
geared toward detecting boot failure rather than abnormal shutdowns,
though. What we need is a matching "Simple Shutdown Flag" variable.
Personally I was not that much thinking about the particular problem at
hand. I think the fast boot BIOS preference should be simply exported
by the kernel as a sysconf erm. sorry sysctl constant value to allow
for easy checking by userland. One could imagine that a lot
of other preferences could be controlled by it as well. Like
for example starting dhclient dettached from the current console, just
to give the user a login prompt as fast as possible and so on...
--
Marcin Dalecki
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