linux-kernel - Re: Suspend and resume on ASUS Laptops

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Message-ID: <20111203202330.GA21011@ellpspace.math.ualberta.ca>
Date:	Sat, 3 Dec 2011 13:23:30 -0700
From:	Michal Jaegermann <michal@...pspace.math.ualberta.ca>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Oliver Neukum <oneukum@...e.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-pm@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: Suspend and resume on ASUS Laptops

On Sat, Dec 03, 2011 at 10:19:27AM -0500, Alan Stern wrote:
> On Fri, 2 Dec 2011, Michal Jaegermann wrote:
> > 
> > On my ASUS K52Jc these controllers are also reported "disabled".  This
> 
> What exactly do you mean by that?

I mean that you asked Steven about a content of
/sys/bus/pci/devices/0000\:00\:1[ad].0/power/wakeup
On my ASUS K52Jc these ids also happen to belong to ehci_hcd devices
(both "Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host
Controller") and both 'wakeup' files show "disabled" too.

With that above I have to do all these manipulations with unbinding
and binding drivers and removing inserting modules or a laptop will hang
after a suspend.  Now with a recent kernel I need additionally put
wireless driver modules on a "special handling" list or I will loose
such connection (no hang here, just a dead driver).

All of this looks like pretty consistent, from what one can find on the
net, across various models of ASUS laptops.

   Michal
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