Re: [LAU] xruns with m-audio fast track pro on fedora 8 ccrma

On Tue, 2008-01-22 at 19:36 +0100, Florent Berthaut wrote:
> Fernando Lopez-Lezcano a écrit :
> > On Tue, 2008-01-22 at 13:29 +0100, hitmuri@email-addr-hidden-log.org wrote:
> >
> > > Thanks for answering (maybe i could have asked on the linuxmao.org forum
> > > too ;) ) .
> > >
> > > I tried to change the rtirq script but it doesn't seem to make any
> > > difference. But while looking at the rt priorities, i noticed that the
> > > highest priority for usb was given to the irq 16 and cat /proc/interrupts
> > > tells me that on irq 16 there's uhci_hcd:usb3 and NVIDIA !!!
> > > When i plug my usb soundcard , it's always on irq 20.
> > > So it looks like the highest priority is given to the graphics card .
> > >
> >
> > Because it shares the interrupt with the usb controller which may have
> > an audio card attached...
> >
> > What do you see in "cat /proc/interrupts" for other interrupts? Do you
> > perhaps have another usb controller that does not share an interrupt
> > with the graphics controller?
> >
> >
> cat /proc/interrupts gives me this :
> CPU0 CPU1
> 0: 89731 89923 IO-APIC-edge timer
> 1: 151 113 IO-APIC-edge i8042
> 8: 0 0 IO-APIC-edge rtc0
> 9: 12 11 IO-APIC-fasteoi acpi
> 12: 42277 41891 IO-APIC-edge i8042
> 14: 7056 7085 IO-APIC-edge libata
> 15: 1376 2002 IO-APIC-edge libata
> 16: 11532 11641 IO-APIC-fasteoi uhci_hcd:usb3, nvidia
> 18: 0 0 IO-APIC-fasteoi yenta
> 19: 18782 18903 IO-APIC-fasteoi ehci_hcd:usb1,
> uhci_hcd:usb7
> 20: 8615 8284 IO-APIC-fasteoi ehci_hcd:usb2,
> uhci_hcd:usb5
> 21: 1 2 IO-APIC-fasteoi uhci_hcd:usb4, ohci1394
> 22: 0 0 IO-APIC-fasteoi uhci_hcd:usb6
> 23: 0 0 IO-APIC-fasteoi sdhci:slot0
> 220: 18041 18081 PCI-MSI-edge eth0
> NMI: 0 0
> LOC: 92078 94169
> ERR: 0
> MIS: 0
>
>
> Actually the usb controller on which my soundcard is (IRQ 20) isn"t
> shared with the graphics controller.
> So i tried to set the priorities of the other irq so that the usb
> controller with my soundcard gets the highest priority
>
> I get this with /etc/init.d/rtirq status :
> 1047 FF 95 - 135 0.0 S< IRQ-8 rtc0
> 417 FF 88 - 128 0.6 S< IRQ-20 ehci_hcd:usb2,
> uhci_hcd:usb5
> 425 FF 87 - 127 0.0 S< IRQ-21 uhci_hcd:usb4,
> ohci1394
> 426 FF 86 - 126 0.0 S< IRQ-22 uhci_hcd:usb6
> 5 FF 50 - 90 0.0 S< softirq-high/0
> 6 FF 50 - 90 0.1 S< softirq-timer/0
> 7 FF 50 - 90 0.0 S< softirq-net-tx/
> 8 FF 50 - 90 0.0 S< softirq-net-rx/
> 9 FF 50 - 90 0.0 S< softirq-block/0
> 10 FF 50 - 90 0.3 S< softirq-tasklet
> 11 FF 50 - 90 0.0 S< softirq-sched/0
> 12 FF 50 - 90 0.0 S< softirq-hrtimer
> 13 FF 50 - 90 0.0 S< softirq-rcu/0
> 18 FF 50 - 90 0.0 S< softirq-high/1
> 19 FF 50 - 90 0.0 S< softirq-timer/1
> 20 FF 50 - 90 0.0 S< softirq-net-tx/
> 21 FF 50 - 90 0.0 S< softirq-net-rx/
> 22 FF 50 - 90 0.0 S< softirq-block/1
> 23 FF 50 - 90 0.0 S< softirq-tasklet
> 24 FF 50 - 90 0.0 S< softirq-sched/1
> 25 FF 50 - 90 0.0 S< softirq-hrtimer
> 26 FF 50 - 90 0.0 S< softirq-rcu/1
> 78 FF 50 - 90 0.0 S< IRQ-9 acpi
> 388 FF 50 - 90 0.0 S< IRQ-18 yenta
> 394 FF 50 - 90 0.1 S< IRQ-12 i8042
> 395 FF 50 - 90 0.0 S< IRQ-1 i8042
> 454 FF 50 - 90 0.1 S< IRQ-14 libata
> 455 FF 50 - 90 0.0 S< IRQ-15 libata
> 1032 FF 50 - 90 0.3 S< IRQ-220 PCI-MSI-edge eth0
> 1093 FF 50 - 90 0.0 S< IRQ-23 sdhci:slot0
> 416 FF 35 - 75 0.1 S< IRQ-19 ehci_hcd:usb1,
> uhci_hcd:usb7
> 424 FF 35 - 75 0.3 S< IRQ-16 uhci_hcd:usb3, nvidia
>
> But it doesn't make any changes, still xruns.

A more basic question... what parameters are you using when you start
jackd?

-- Fernando

_______________________________________________
Linux-audio-user mailing list
Linux-audio-user@email-addr-hidden
http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
Received on Wed Jan 23 04:15:20 2008