From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: Re: [linux-pm] ehci_hcd related S3 lockup on ASUS laptops, again Date: Fri, 13 Apr 2012 11:29:09 -0400 Message-ID: <1334330949.23924.360.camel@gandalf.stny.rr.com> References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-854DwyC3Fveln4UfAkCs" Return-path: In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alan Stern Cc: Andrey Rahmatullin , jrnieder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, USB list List-Id: linux-pm@vger.kernel.org --=-854DwyC3Fveln4UfAkCs Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: 7bit On Fri, 2012-04-13 at 10:10 -0400, Alan Stern wrote: > On Thu, 12 Apr 2012, Alan Stern wrote: > > > Tomorrow I'll look through the code more carefully; with those changes > > there really is very little difference between the two cases. Things > > like mmio mappings and IRQs requested; they shouldn't cause a crash. > > Let's start with some basic information. First, before suspending, > what shows up in /sys/kernel/debug/usb/devices? Attached (after gzipping it). > > Second, if you do > > echo 0 >/sys/bus/usb/devices/usb1/bConfigurationValue This never returned. I did the echo, and the command locked up. (process 3077) cat /proc/3077/wchan usb_disconnect -- Steve > echo 0 >/sys/bus/usb/devices/usb2/bConfigurationValue > > before suspending (using a vanilla kernel and no script), does it > change the behavior? I expect it won't, but we should check just to be > thorough. > > Alan Stern --=-854DwyC3Fveln4UfAkCs Content-Type: application/x-gzip; name="devices.gz" Content-Disposition: attachment; filename="devices.gz" Content-Transfer-Encoding: base64 H4sICNVEiE8AA2RldmljZXMA7Vddb9owFH3Pr7CEJoVpY752EgJSHiDt1kjthsbaPU6QhIEWyJTE FO3X7zofNNCEwtpI7dQnAz72OT7HvjbKtz4hQxFbVCOX/tqilIyiVZK2YZS2dvb1zF+3LEKAjH97 lk7xl6uNPbcIU4Y4xSAIQhe76QcTe0RMVELftN+RloOj8Wf5KQ7lJ+UM4Td+ZBHekbMHyN1T52JK SJuMxTSTECInR4bR2CI90rJnP2NJrozSwSsvjCzwjKlEes4ZjkH0V9QvJwVljKiryUrMJm4iIuS6 XKzEBvugo713RZyES7KZu4sfc9dLwXIa4SbW5sJ2yEUYJ8QOV0kUBoEfpYCxHy0mwWexnOJsyEb7 lPcp7VDF7r/Ftc1QHhCU2ZLtIIksXxo0uo3kmpcDxUGYM8Neil4lsmmdj7JB9Q6g69FijYzYqZxL mz3LBNVppwyUq+hup53bRIhGnHVgMd1YxoqyDZafEqxmUvLoYNkDwUKm2NCOCpa9BlsdLHt2wdJG g/Wrgj0/IVjaB+8FBQt5sLAbLBTBsv1gjSc7giY1u3dJMS1LCk/Fs3IPKt2DJzkWvPpYsP/zWExe wrGA12Px+GPBcvdYjXs8dQ8YKdyr2uc+VW8DN1zlOuFo94yte2D2UveMXgd6JffYv7jHD6vK3Zsm Ij7CPzBS/wDdy7GUqV9yLFOHIvi1xRrZTqV3WJNt563HbtcBu+tgp68D1RfacEVx6N7tA7q/DpNv tdVjHcSWtUEj2nonaOvVamNNaIPu8dpK2H1tvAltTD9eWwm7r01rQhvnx2srYfe16U1o007YbyXs g9UTsurJiuqp7d89ldVzpi4XsVtUeXbkvyLu8aJ66l2gafUE6HB6/5Uw+IPN7WTt77wJrsdDKYJc 39jk5tOAfPen9mRZ8SrY4LMAamuyWdRkncqaPMDhHxdRnOSF2ZnZoVglRYDUV9cLzw/zxfLiSnvo JtwdBvs3oVi7aX9FnNXlXDtQdmkVJaulrKuQlcrrp7l/Eek7GxGYmW1Epov60vfEpDre/PWkvBFS kC+pelKtGVKdGwdI9UZIGdUOZWo0Q2qYh0i7jZBy2i1vpL8EtlofZxQAAA== --=-854DwyC3Fveln4UfAkCs-- -- 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