Hi, All works now for me with preempt-rt. The problem is using hrtimer.
I think that hrtimer are executed with interrupts disabled so, if this happen when I must receive a char, i have an overrun. The only solution was the dma support to serial device. Regards Michael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
