On 7 April 2013 13:15, Poul-Henning Kamp <phk_at_phk.freebsd.dk> wrote: > In message <1428566376.20130407234355_at_serebryakov.spb.ru>, Lev Serebryakov writ > es: > >>It doesn't look so. And uart1 and uart3 doesn't have interrupt >>according to `vmstat -i' (but share irq4 according to boot messages). > > Ohh, there you go... > > Interrupt sharing on ISA requires special magic... .. did we really break shared interrupt handling on ISA? > With sio(4) one could hardcode interrupt sharing with hints.flags, > but with uart(4) I think you have to go through puc(4) to do it. What were the hints? It's possible you can still drop the hint somewhere and it'll get picked up even if acpi is providing the io/irq resources. > Not sure how that that should work in a case like this... God, you made me remember ISA interrupt sharing. I thought the main source of evilness is edge shared interrupts? (Level shared interrupts should be the same no matter what bus they're on..) AdrianReceived on Sun Apr 07 2013 - 19:46:36 UTC
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