* Karsten Wiese <[EMAIL PROTECTED]> wrote: > Hi, > > this should likely be addressed to VIA Taiwan, > but I don't know their engineer's e-mail address and their forum > doesn't work for me. > Maybe somebody here has a clue? > Or maybe this is even motherboard specific? > > To reproduce: > $ aplay -Dhw:0 -fdat /dev/zero > > On a sane system (or here in PIC Mode) you'll see > around 12 Interrupts/s. > Here I see 24.
i think this is an effect of the 'POST-flush' symptom: the IO-APIC write of unmasking the IRQ does not reach the chipset before the ACK via the local-APIC does. Does it work fine if you artificially read after the IO-APIC write? Ingo - 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/