Re: [LAU] Regular Xruns?

Arnold Krille wrote: OK.. done that now.. also set IRQ sched prio for sound card to 99, jackd prio to 89, run the pci latency fix.. uname -a Linux 2.6.29 #1 SMP PREEMPT RT Fri Aug 7 02:24:17 BST 2009 i686 GNU/Linux cat /proc/interrupts CPU0 0: 119 XT-PIC-XT timer 1: 976 XT-PIC-XT i8042 2: 0 XT-PIC-XT cascade 4: 4 XT-PIC-XT ehci_hcd:usb1 5: 866799 XT-PIC-XT EMU10K1 6: 5 XT-PIC-XT floppy 7: 1711 XT-PIC-XT NVidia nForce2 8: 0 XT-PIC-XT rtc0 9: 0 XT-PIC-XT acpi 10: 339411 XT-PIC-XT ohci_hcd:usb2, nvidia 11: 546369 XT-PIC-XT ohci_hcd:usb3, eth0 12: 3 XT-PIC-XT bttv0 14: 11794 XT-PIC-XT ide0 15: 47804 XT-PIC-XT ide1 NMI: 0 Non-maskable interrupts LOC: 4999783 Local timer interrupts SPU: 0 Spurious interrupts CNT: 0 Performance counter interrupts RES: 0 Rescheduling interrupts CAL: 0 Function call interrupts TLB: 0 TLB shootdowns TRM: 0 Thermal event interrupts ERR: 6 MIS: 0 ~/jack_stuff$ ./irq_check 5 pid 2106's current scheduling policy: SCHED_FIFO pid 2106's current scheduling priority: 99 #!/bin/sh case $1 in start) # "open up" the PCI bus by allowing fairly long bursts for all devices, increasing performance setpci -v -s "*:*.*" latency_timer=b0 # maximise latency for SBLive!, thus allowing # more data per PCI transfer and minimizing xfuns setpci -v -s 01:0a.0 latency_timer=ff esac exit 0 But still get xruns every 14 mins!!! 08:34:43.555 JACK connection change. 08:34:43.563 JACK connection graph change. 08:49:02.342 XRUN callback (1). **** alsa_pcm: xrun of at least 0.026 msecs 09:03:23.960 XRUN callback (2). **** alsa_pcm: xrun of at least 0.026 msecs James