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Date: Sun, 4 Dec 2011 11:54:43 -0500 (EST) From: Alan Stern <stern@...land.harvard.edu> To: Michal Jaegermann <michal@...pspace.math.ualberta.ca> 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, 3 Dec 2011, Michal Jaegermann wrote: > 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. Oh, sorry -- I didn't realize you meant the power/wakeup file contained "disabled". It sounded like you were saying that the controllers were somehow disabled. > 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. Yes, apparently ASUS's recent chipsets or firmware has a problem with suspend and resume. On the other hand, I'm writing this on an ASUS UL20A laptop, which suspends and resumes with no difficulty. Alan Stern -- 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/
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