Am 02.02.2012 21:00, schrieb mn0: > Am 02.02.2012 04:12, schrieb Ross Hamblin: >> On 02/02/12 15:56, mn0 wrote: >>> IRQ fiddling is fun. Does anyone want to employ a perfectly trained pci >>> card dis- and re-mounter? >>> I can also restore BIOSes with corrupted checksums... >>> I don't know what to do... one of the cards' interrupts is magically >>> attracted by hdd controllers, either it's ata and usb or it's ide. >>> BIOS options are totally pointless, yet changing something but in an >>> unforeseeable manner. >>> I could disable the IDE controller if there wasn't the os on an ide hdd. >>> This would also be a stupid approach. >>> I'll try again in a few hours... >>> /mn0 >>> >>> >> >> I probably missed something as I lost track with the split threads, but >> did you check your interrupts in linux to see whether there are any free >> IRQs? If there are free IRQs you could try using the BIOS option to >> reassign the card to a free interrupt. If Linux is running in PIC >> instead of APIC mode there will be way less interrupts to choose from - >> if is APIC then cat /proc/interrrupts will show IRQs above 24 (IIRC) >> otherwise you could look at enabling APIC which should allow the card to >> take a higher and hopefully free IRQ. >> Sorry for the noise if this was already covered. >> >> HTH >> Ross. >> > > Not covered, yet. > APIC is enabled, but thanks for "cat /proc/interrrupts", makes it a > little easier. > There are indeed free interrupts/numbers not listed in /proc interrupts. > Only my BIOS settings are ignored when trying to assign certain devices > to IRQs. The BIOS options are also the wrong way: I can assign an IRQ# > to one or a group of devices... one of the devices is always grouped > with hdd. So I could assign a different IRQ# to the group, but don't > split it, to have the card on a single IRQ. > > /mn0 > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user > Good news: Now both cards now have an IRQ for themselves. Bad news: Still xruns. More on that later. /mn0 _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
