[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20070505100855.GC25704@elf.ucw.cz>
Date: Sat, 5 May 2007 12:08:55 +0200
From: Pavel Machek <pavel@....cz>
To: Ingo Molnar <mingo@...e.hu>
Cc: Greg KH <gregkh@...e.de>, Andrew Morton <akpm@...l.org>,
linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...l.org>,
linux-pm@...ts.osdl.org
Subject: Re: [patch] suspend/resume debugging: device filter
Hi!
> > Here's a (compile tested only) patch that does this on a per-device
> > basis, which is smaller, and should work just as well as your patch.
> >
> > It creates a new file in the power/ directory for every device called
> > "can_suspend". Write a '0' to it to prevent that device from being
> > suspended.
> >
> > Does this work for you?
>
> yeah, i was able to use this too to debug suspend/resume problems. But
> i've added the check to the resume path too - for example sw-suspend
> does a resume of devices during its suspend cycle, cutting off much of
> the netconsole output.
>
> which makes the can_suspend flag mis-named - perhaps rename it to
> exclude_pm ?
debug_exclude_pm? I do not want people playing with it, then
complaining that they broke the suspend.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists