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Old 09-18-2012, 10:21 AM
Ralf Mardorf
 
Default Horrific jackd xrun behaviour after upgrade from US 10.04 to 12.04 ( R: Audio issues in 10.04)

On Tue, 2012-09-18 at 11:39 +0200, Thomas Orgis wrote:
> rtirq:
>
> PID CLS RTPRIO NI PRI %CPU STAT COMMAND
> 302 FF 90 - 130 0.6 S irq/18-firewire
> 994 FF 83 - 123 0.0 S irq/16-snd_hda_
> 84 FF 80 - 120 0.0 S irq/17-ehci_hcd
> 88 FF 80 - 120 0.0 S irq/16-ohci_hcd
> 86 FF 79 - 119 0.0 S irq/19-ehci_hcd
> 90 FF 79 - 119 0.0 S irq/16-ohci_hcd
> 99 FF 75 - 115 0.0 S irq/1-i8042
> 98 FF 74 - 114 0.1 S irq/12-i8042
> 23 FF 50 - 90 0.0 S irq/9-acpi
> 73 FF 50 - 90 0.4 S irq/22-ahci
> 92 FF 50 - 90 0.1 S irq/18-ohci_hcd
> 94 FF 50 - 90 0.1 S irq/18-ohci_hcd
> 96 FF 50 - 90 0.1 S irq/18-ohci_hcd
> 100 FF 50 - 90 0.0 S irq/8-rtc0
> 287 FF 50 - 90 0.0 S irq/14-pata_ati
> 288 FF 50 - 90 0.0 S irq/15-pata_ati
> 295 FF 50 - 90 0.1 S irq/18-radeon
> 965 FF 50 - 90 0.0 S irq/7-parport0
> 1212 FF 50 - 90 0.0 S irq/42-eth3
> 3 TS - 0 19 1.0 R ksoftirqd/0
> 9 TS - 0 19 1.0 S ksoftirqd/1
> 13 TS - 0 19 1.0 S ksoftirqd/2

I'm short in time and can't read your email right now, so I only take a
look at the output of rtirq status.
Usually you can't do anything against the shared IRQ, however it's ok,
since firewire and snd_hda are head of the IRQs. But the first IRQ,
before firewire has to be the timer rtc0.

Change the config to
RTIRQ_NAME_LIST="rtc [and add anything as it was before, excepted of a second rtc entry]"

Hth,
Ralf


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