Re: ehci_hcd related S3 lockup on ASUS laptops, again

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On Fri, 13 Apr 2012, Andrey Rahmatullin wrote:

> On Thu, Apr 12, 2012 at 10:28:31AM -0400, Alan Stern wrote:
> > Here's a diagnostic patch that will give us a little more information.  
> > Keep the previous change (so that pci_prepare_to_sleep gets called 
> > whether ehci-hcd is bound or not) and let's see what it says.  Try 
> > doing it both with and without ehci-hcd bound.  Running this with "echo 
> > devices >/sys/power/pm_test" ought to be good enough.
> If bound: "target 3 wakeup 1 error 0" for both controllers. If not bound,
> pci_prepare_to_sleep is not called for ehci_hcd.

It should be called, because earlier I asked you to add a call to it 
inside pci_pm_suspend_noirq.  Make sure you that line is still present 
when you test.

Alan Stern

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