Re: ehci_hcd related S3 lockup on ASUS laptops, again

[Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>]

On Thu, 19 Apr 2012, Andrey Rahmatullin wrote:

> On Thu, Apr 19, 2012 at 09:43:45AM -0400, Alan Stern wrote:
> > But before going any farther, I'd like to test if USB wakeup works.  
> > So after booting with this patch, make sure that the power/wakeup file
> > says "enabled" in the sysfs path for each controller as well as the
> > usb1, usb2, 1-2, and 2-2 paths under /sys/bus/usb/devices/.
> Also, I don't have [12]-2 there:
> 
> 1-0:1.0 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-0:1.0
> 1-1 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1
> 1-1.1 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1
> 1-1.1:1.0 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0
> 1-1.1:1.1 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.1
> 1-1.2 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2
> 1-1.2:1.0 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0
> 1-1.2:1.1 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.1
> 1-1:1.0 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1:1.0
> 2-0:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb2/2-0:1.0
> 2-1 -> ../../../devices/pci0000:00/0000:00:1d.0/usb2/2-1
> 2-1:1.0 -> ../../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0
> usb1 -> ../../../devices/pci0000:00/0000:00:1a.0/usb1
> usb2 -> ../../../devices/pci0000:00/0000:00:1d.0/usb2

My apologies, I meant 1-1 and 2-1.  (The number following the '-' is a 
port number, not a device address.)

Alan Stern

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