Re: ASUS K53E fails to suspend if ehci_hcd is loaded

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On Thu, Jun 16, 2011 at 04:57:59PM -0400, Alan Stern wrote:
> > > > When I try to suspend my ASUS K53E laptop, the process hangs after
> > > > spinning down the disk unless I unload ehci_hcd. This happens on 2.6.38,
> > > > 2.6.39 and 3.0-rc3+. Some details are at
> > > > https://bugzilla.kernel.org/show_bug.cgi?id=37632
> > > > What additional info can I provide to help fix this if this is possible?
> > > Set CONFIG_USB_DEBUG=y and boot with "no_console_suspend" on the 
> > > command line.  What appears on the console when the system is hung?
> > PM: Entering mem sleep
> > usb usb2: usb auto-resume
> > sd blah-blah syncing cache
> > ehci_hcd 0000:00:1d.0: resume root hub
> > usb 1-1.1: usb suspend
> > sd blah-blah stopping disk
> > hub 1-1:1.0: hub_suspend
> > usb 1-1: unlink qh256-0001/ffff88013b411000 start 1 [1/0 us]
> > usb 1-1: usb suspend
> > 
> > 
> > and that's all.
> 
> Okay, the next step is to try and find out exactly where the ehci 
> suspend procedure is hanging.  The patch below adds a bunch of 
> printouts at various spots throughout the procedure.  Let's see what 
> shows up.
I don't see any of these new messages.

-- 
WBR, wRAR

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