Re: swsusp 'disk' fails in bk-current - intel_agp at fault?

Pavel Machek
2005-03-29T21:45:05Z

On Út 29-03-05 16:33:04, Dmitry Torokhov wrote:
> On Tue, 29 Mar 2005 23:12:39 +0200, Pavel Machek <pavel@suse.cz> wrote:
> > >
> > > I am leaning towards calling disable_usermodehelper (not writtent yet)
> > > after swsusp completes snapshotting memory. We really don't care about
> > > hotplug events in this case and this will allow keeping "normal"
> > > resume in drivers as is. What do you think?
> >
> > That would certianly do the trick.
> >
> > [Or perhaps in_suspend() is slightly nicer solution? People wanted it
> > for other stuff (sanity checking, like BUG_ON(in_suspend())), too....]
> >
>
> We might want having both... Hmm... in_suspend - is it only for swsusp
> (in_swsusp) or for suspend-to-ram as well? For suspend to ram we might
> need slightly different rules, I don't know. A separate call will
> allow more fine-grained control and will explicitely tell reader what
> is happening.

We currently freeze processes for suspend-to-ram, too. I guess that
disable_usermodehelper is probably better and that in_suspend() should
only be used for sanity checks... go with disable_usermodehelper and
sorry for the noise.
Pavel
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