Re: [linux-pm] ehci_hcd related S3 lockup on ASUS laptops, again

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On Thu, Apr 12, 2012 at 02:17:27PM -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.
Right, it just prints "pci" instead of "ehci_hcd". It's still "target 3
wakeup 1 error 0", right after "Refused to change power state, currently
in D0".

-- 
WBR, wRAR

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