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

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On Thu, Apr 12, 2012 at 12:09:00PM -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.
> > I don't see that line with ehci_hcd both bound and unbound and both in
> > 'devices' test and in a real S3.
> 
> You mean the new dev_info message did not appear at all?  Is
> pci_prepare_to_sleep getting called properly?  Or does the routine exit
> early because target_state is equal to PCI_POWER_ERROR?
Either dev_info is silenced on my system or pci_pm_suspend_noirq is not
called during the 'devices' pm test.

-- 
WBR, wRAR

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