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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Pavel Machek <pavel@ucw.cz>
Cc: kernel list <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@osdl.org>
Subject: Re: "reboot" swsusp mode leaves moon icon blinking
Date: Tue, 20 Mar 2007 22:03:26 +0100	[thread overview]
Message-ID: <200703202203.27009.rjw@sisk.pl> (raw)
In-Reply-To: <20070320172023.GA2593@elf.ucw.cz>

On Tuesday, 20 March 2007 18:20, Pavel Machek wrote:
> Hi!
> 
> > > ...and cause is really simple.
> > > 
> > > During resume, we do not know that "reboot" method was used, so we
> > > assume plaform and make the led blink...
> > > 
> > > Unfortunately I see no easy solution, and this may/will cause other
> > > problems -- in case of broken bios and user telling us not to call
> > > that bios, we'll call it anyway.
> > > 
> > > (Ouch and I think this is regression after 2.6.20?)
> > 
> > I'm not sure, will check that later.
> > 
> > The solution would be to pass the information about the suspend mode used
> > in the image header, I think (that's what uswsusp does after my recent patch).
> 
> Yes, we could do that.
> 
> OTOH, we could simply avoid calling the platform code in resume
> path. It worked ok for a long while, and it seems to have no
> downsides...

No, we have always done it, actually, but not in this particular place. ;-)

In theory, avoiding it could be problematic, because of the pm_ops->finish()
that gets called after the image has been restored (if the platform mode was
used for suspending).  Still, I think we can try.

Greetings,
Rafael

  reply	other threads:[~2007-03-20 21:00 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-20 12:32 Pavel Machek
2007-03-20 16:50 ` Johannes Weiner
2007-03-20 17:00   ` Rafael J. Wysocki
2007-03-20 18:01   ` Pavel Machek
2007-03-20 22:11     ` Johannes Weiner
2007-03-20 17:05 ` Rafael J. Wysocki
2007-03-20 17:20   ` Pavel Machek
2007-03-20 21:03     ` Rafael J. Wysocki [this message]
2007-03-20 22:10       ` Pavel Machek

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