From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Stern Subject: Re: [linux-pm] ehci_hcd related S3 lockup on ASUS laptops, again Date: Thu, 12 Apr 2012 12:09:00 -0400 (EDT) Message-ID: References: <20120412153750.GA12852@belkar.wrar.name> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <20120412153750.GA12852-hAV9HEAGFNe6YibBOCjzsw@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andrey Rahmatullin Cc: Steven Rostedt , jrnieder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, USB list , Greg KH List-Id: linux-pm@vger.kernel.org On Thu, 12 Apr 2012, Andrey Rahmatullin 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? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html