On Wed, 18 Apr 2012, Steven Rostedt wrote: > On Wed, 2012-04-18 at 16:23 -0400, Alan Stern wrote: > > > In the meantime, just to be certain of the diagnosis, here's a > > different patch for you guys to try. This will test the ehci-hcd > > unbound path (i.e., use it with the script). The patch removes the > > line that sets the dev->current_state to PCI_UNKNOWN when the driver is > > unbound. Thus current_state will remain equal to PCI_D0, so > > pci_prepare_to_sleep should put the controllers into D3, which we > > expect will cause a crash. > > Confirmed. The suspend locked up even with the script. Okay, now I'm certain that this is the problem. > > Please try this both with and without pm_test set to "platform", and > > post the debugging dmesg output from whichever cases the computer > > survives. > > > > Below is the dmesg output after running with pm_test set to "platform". The part you included didn't show the suspend itself. It looks like a bunch of stuff following the resume. But I guess it doesn't much matter, since we now know what needs to be fixed. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
