On Fri, 13 Apr 2012, Steven Rostedt wrote: > 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). Okay, you've got Bluetooth device and a USB webcam, in addition to the internal "rate-matching" hub on each EHCI bus. > > 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 I just did the same thing here, with the same result. I'm trying to track it down now. It may take a while... Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
