On 2013-01-02 16:55, Alan Stern wrote: > I don't understand. How can there be nothing more? Above you showed > an "irq 18: nobody cared" message that appeared at 8:51 on Jan 1. It > certainly ought to be in the dmesg log as of 9:00. dmesg can only hold a certain amount of data. The pwc errors take a lot of space per second. > Also, I asked you to turn on CONFIG_PRINTK_TIME. Without that, there's > no way for me to tell when those IRQ: messages appear in relation to > the "nobody cared". I did not reboot yet but I'll see if I can add the PRINTK option. > In the end, this comes down to two possibilities. Either the OHCI > controller is malfunctioning Seen on two mainboards. This one is quite new. > or else some other piece of > hardware/software is. Can it be the webcam? I can interchange it with another one of same type. > I suppose you could try unplugging all your low-speed and full-speed > devices from the OHCI controller. (Get a high-speed hub and plug them > into it instead.) Then the controller hardware should be totally > quiescent. If the unwanted IRQs still occur then it seems likely that > the controller is not the cause -- although this isn't an airtight > proof. I'll see if I can find a hub. Udo -- 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
