On Tuesday 19 February 2013 23:12:53 Marc Dietrich wrote: > Stephen, > > On Tuesday 19 February 2013 10:03:47 Stephen Warren wrote: > > On 02/17/2013 04:48 AM, Marc Dietrich wrote: > > > Hi, > > > > > > I sometimes see unhandled irq from the otg port on my AC100 (kernel 3.8.0-rc7). > > > This happens randomly when the a cable is pluged into the mini usb port. Seems > > > the port generates an interrupt on probe which isn't handled. > > > > Perhaps Venu can explain this; he is our USB expert. > > > > > Any ideas? > > > > I'm slightly confused by your description though; I assume this problem > > happens when you boot with a USB cable already plugged in, not when you > > first boot the system, then plug in a cable? Is the cable connected to a > > host PC, or to a device? > > the cable is connected to a host PC. It is not shown when connecting after the > system has booted. Unfortunately, I cannot generate the error reproducible, e.g. > I just tried 10 times and nothing was shown. Maybe just forget it for now if > no one has an obvious idea. I'll try to find some reproducable situation and will > report back. arr, just found it: it happens when you load an uboot image via tegrarcm first - so this could be a kernel or uboot problem. Marc -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html