Re: swsusp does not stop DMA properly during resume

Pavel Machek
2004-01-20T23:54:49Z

Hi!

> > I _think_ what this patch is doing is suspending all devices from within
> > the boot kernel before starting into the resumed kernel. Is this correct?
> >
> > > + update_screen(fg_console); /* Hmm, is this the problem? */
> >
> > Cryptic comment. To what "problem" does this refer?
>
> Note that you should make sure all calls to update_screen (among others)
> are guarded by the console semaphore, with my VT patch, not doing so
> will result in WARN_ON's

Hmmm... yes, I'll need to fix that one. [Is there console semaphore in
2.6.1, or do I need to wait for 2.6.2 before I can do something with
this?]