On Friday, 20 July 2007 18:15, Alan Stern wrote:
> On Fri, 20 Jul 2007 [email protected] wrote:
>
> > or the userspace helper functions that setup the instructions for the
> > hibernate warn you if you are telling it to mount a filesystem that it
> > knows is ext3 and is in use by the system going to sleep.
>
> One can argue that the ext3 implementation is inadequate. We should be
> able to give it a mount option requiring it to fail rather than play
> back the journal and write to the disk.
>
>
> > > What I've been trying to say from the very beginning is that the current
> > > frameworks _support_ hibernation a la ACPI S4 (although that's not exactly
> > > ACPI S4) and if we are going to introduce a new framework, then it should
> > > be designed to _support_ ACPI S4 fully _from_ _the_ _start_.
> >
> > here is where there is some disagreement (although it may just be
> > misunderstanding on the 'fully support' phrase)
> >
> > it sounds like you are saying that the ACPI support requires a lot of work
> > (the phrase I've seen some people use is a requirement to 'fix all the
> > drivers'). we aren't wanting to have this work prevent the non-ACPI
> > hibernation from progressing.
>
> You have completely misunderstood. That phrase "fix all the drivers"
> has nothing whatsoever to do with ACPI. It is a prerequisite for
> removing the freezer.
Yes.
> And unless I'm mistaken, removing the freezer was the main reason for
> doing all this kexec-style work in the first place.
Yes, that also is my impression.
Greetings,
Rafael
--
"Premature optimization is the root of all evil." - Donald Knuth
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