On Wed, 2016-09-28 at 17:08 +0200, Wim Osterholt wrote: > On Wed, Sep 28, 2016 at 11:16:04AM +0200, Oliver Neukum wrote: > > this should show you where it crashes. In addition I've attached > > a patch with paranoid debugging. Could you compile and test a kernel > > with it? > > > > Regards > > Oliver > > If you mean > echo "module cdc_acm +mpf" > /sys/kernel/debug/dynamic_debug/control > etc, then it will take some time because I don't have the cabling not > available now for a serial dump. > > Just 4.8-rc8 with the patched modules gave an oops of less than one screen > while the machine stayed responsive long enough to grab it with the mouse > and put it in a file: > > HP src # sync > HP src # [ 3744.914184] BUG: unable to handle kernel NULL pointer dereference at 00000249 The last view lines before that please with the debugging level ramped up to 9 please. Regards Oliver -- 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