On Wed, 6 Feb 2013, Tim Sander wrote: > I just noticed that the thread irq/45-IMX-uart is the current thread. > Nevertheless the interrupt for this thread is enabled which seems wrong to me? That's wrong indeed. The forced threading masks the interrupt line in the hard interrupt handling code and keeps it masked. It's unmasked after the handler thread returns from the interrupt handler function. > So the interrupt handler imx_rxint does not get call as it is always > interrupted by the level triggered interrupt of the same hw source? Right. You have to find the reason, why the interrupt is not disabled at the interrupt controller level. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
