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From: Felipe Alfaro Solana <felipe_alfaro@linuxmail.org>
To: Patrick Mochel <mochel@osdl.org>
Cc: Zwane Mwaikambo <zwane@linuxpower.ca>,
	Andrew Morton <akpm@digeo.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: 2.5.69-mm5: reverting i8259-shutdown.patch
Date: 15 May 2003 14:02:35 +0200	[thread overview]
Message-ID: <1053000155.605.1.camel@teapot.felipe-alfaro.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0305141956530.9816-100000@cherise>

On Thu, 2003-05-15 at 05:00, Patrick Mochel wrote:
> On Wed, 14 May 2003, Zwane Mwaikambo wrote:
> 
> > On Wed, 14 May 2003, Patrick Mochel wrote:
> > 
> > > Interesting. This is yet more proof that system-level devices cannot be
> > > treated as common, everyday devices. Sure, it's nice to see them show up
> > > in sysfs with little overhead, and very nice not to have to work about
> > > them during shutdown or power transitions. But there are just too many
> > > special cases (like getting the ordering right ;) that you have to worry
> > > about.
> > > 
> > > So, what do we do with them? 
> > 
> > Does the PIC shutdown callback get called _just_ before acpi_power_off?
> 
> It may or may not be. It depends on which order it gets registered in, 
> which is arbitrary (*). One can enable DEBUG in drivers/base/power.c and 
> crank up the console log level to see the order that devices get shutdown 
> in on their system. 

OK, I've changed "#undef DEBUG" to "#define DEBUG" in
drivers/base/power.c, but during shutdown, I can see no extra debug
messages. What am I doing wrong?


  reply	other threads:[~2003-05-15 11:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-15  2:23 Felipe Alfaro Solana
2003-05-15  2:33 ` Andrew Morton
2003-05-15  2:39   ` Patrick Mochel
2003-05-15  2:45     ` Zwane Mwaikambo
2003-05-15  3:00       ` Patrick Mochel
2003-05-15 12:02         ` Felipe Alfaro Solana [this message]
2003-05-15 17:35           ` Patrick Mochel
2003-05-15  6:14     ` Andrew Morton
2003-05-15  6:13       ` Zwane Mwaikambo
2003-05-15  7:56         ` Zwane Mwaikambo
2003-05-15 17:34           ` Patrick Mochel
2003-05-15 12:07       ` Felipe Alfaro Solana
2003-05-17 19:25         ` Zwane Mwaikambo
2003-05-17 19:47           ` Felipe Alfaro Solana
2003-05-17 20:35             ` Zwane Mwaikambo
2003-05-18 19:42               ` Felipe Alfaro Solana
2003-05-16 19:41     ` Pavel Machek

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