Re: Which is simpler? (Was Re: [Suspend2-devel] Re: [ 00/10] [Suspend2] Modules support.)

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Hi,

On Wednesday 08 February 2006 09:28, Pavel Machek wrote:
> > > Suspend-to-disk HOWTO
> > > ~~~~~~~~~~~~~~~~~~~~
> > > Copyright (C) 2006 Pavel Machek <[email protected]>
> > > 
> > > 
> > > You'll need /dev/snapshot for these to work:
> > > 
> > > crw-r--r--  1 root root 10, 231 Jan 13 21:21 /dev/snapshot
> 
> 
> > > Then compile userspace tools in usual way. You'll need an -mm kernel
> > > for now. To suspend-to-disk, run
> 
> I actually added -mm warning here.

Oh, I didn't notice, sorry.

> > > ./suspend /dev/<your_swap_partition>
> > > 
> > > . (There should be just one, for now.) Suspend is easy, resume is
> > > slightly harder. Resume application has to be ran without any
> > > filesystems mounted rw, and without any journalling filesystems
> > > mounted at all, preferably from initrd (but read-only ext2 should do
> > > the trick, too). Resume is then as easy as running
> > > 
> > > ./resume /dev/<your_swap_partition>
> > > 
> > > . You probably want to create script that attempts to resume with
> > > above command, and if that fails, fall back to init.
> > 
> > If it's run fron an initrd, it'll fall back automatically.  Also you can set
> > the name of the resume partition in the header file swsusp.h and
> > you'll be able to use the tools without any command line
> > parameters (useful if you want to start resume from an initrd).
> 
> I know a little about initrd. I've just commited HOWTO file, can you
> edit it to describe that?

OK, I will, but when I have some time for that (today in the night, probably).

Greetings,
Rafael
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