Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [linux-pm] Re: Hibernation considerations | Date | Fri, 20 Jul 2007 23:46:34 +0200 |
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On Friday, 20 July 2007 18:15, Alan Stern wrote: > On Fri, 20 Jul 2007 david@lang.hm 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
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