On Tuesday 04 November 2003 12:10 pm, Dick Gevers wrote: > In my /etc/lilo.conf all boot options were written with append > messages ....acpi=off..... > with the lilo version under Mandrake 9.2 this was changed during > install to ...acpi=ht..... > > Neither in the documentation, nor when googling do I find any > explanation for this. I only found a couple of messages in the > Cooker archive stating that it must be `acpi=ht`, but I am curious > what is the meaning; what is the difference with `acpi=off` ? > > Also, I find that install wrote a new message `resume=/mnt/hde16`, > which wasn`t there before. My swap partition is on /mnt/hde16. But > again, I would like to know what this `resume` message means and > what it does. > > If anybody knows, I`d appreciate hearing it.
"acpi=ht will use ACPI for enumerating processors, and then ACPI will exit. ACPI will not be used to configure interrupts and the interpreter will not run so you'll get no run-time events. If this system doesn't have HT and has MPS, then ACPI with acpi=ht does nothing for you that you don't have already. pci=noacpi is the same as above except the interpreter _will_ run in support of run-time events. Ie. Acpi=ht will give you "ACPI: Interpreter disabled" and pci=noacpi will not." http://www.ussg.iu.edu/hypermail/linux/kernel/0310.0/0521.html Which was returned by Google when I noticed the change an also was curious. It is used by the Mandrake installer if it even suspects your hardware will not fully support ACPI as currently implemented in Linux kernels. IOW's, for Mandrake, one less user support issue (headache). I'm not sure what the 'resume' deal is about. Maybe someone can enlighten both of us ;) In Mandrake 10.0 (current cooker) it's not used. I don't remember from a recent 9.2 install, but IIRC, resume wasn't used there either, and Goggle didn't help. -- Tom Brinkman Corpus Christi, Texas
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