On Tue, Mar 26, 2013 at 12:11:13PM +0100, Yann Sionneau wrote: > Le 25/03/2013 19:13, Sarah Sharp a écrit : > > On Mon, Mar 25, 2013 at 05:43:40PM +0100, Yann Sionneau wrote: > > Please compile with CONFIG_USB_DEBUG and CONFIG_USB_XHCI_HCD_DEBUGGING > > turned on. If you can't reproduce your bug on 3.8.4, turn them off, > > recompile, and see if you can reproduce it again. > We just reproduced it with a 3.8.4 kernel with CONFIG_USB_DEBUG and > CONFIG_USB_XHCI_HCD_DEBUGGING turned on. > I am sending you the picture as attached file. Thanks. I need more information though. Can you follow these directions for setting up netconsole, and send me the full log file from boot to when the machine hangs? Make sure the kernel still has CONFIG_USB_DEBUG and CONFIG_USB_XHCI_HCD_DEBUGGING turned on. http://kernelnewbies.org/KernelDebug That will help me figure out what command is causing the null pointer dereference. Sarah Sharp -- 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