Re: [LAU] Regular Xruns?

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To: Arnold Krille <arnold@...>
Cc: <linux-audio-user@...>
Date: Friday, August 7, 2009 - 8:10 am

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
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Messages in current thread:
[LAU] Regular Xruns?, David Baron, (Thu Aug 6, 12:44 pm)
Re: [LAU] Regular Xruns?, James Stone, (Thu Aug 6, 8:05 pm)
Re: [LAU] Regular Xruns?, Arnold Krille, (Thu Aug 6, 8:38 pm)
Re: [LAU] Regular Xruns?, James Stone, (Fri Aug 7, 12:11 am)
Re: [LAU] Regular Xruns?, Arnold Krille, (Fri Aug 7, 7:14 am)
Re: [LAU] Regular Xruns?, James Stone, (Fri Aug 7, 8:10 am)
Re: [LAU] Regular Xruns?, James Cameron, (Fri Aug 7, 8:44 am)
Re: [LAU] Regular Xruns?, James Stone, (Fri Aug 7, 12:54 pm)
Re: [LAU] Regular Xruns?, James Cameron, (Sat Aug 8, 5:26 am)
Re: [LAU] Regular Xruns?, James Cameron, (Sat Aug 8, 7:29 am)
Re: [LAU] Regular Xruns?, David Baron, (Sat Aug 8, 7:53 pm)
Re: [LAU] Regular Xruns?, James Cameron, (Sat Aug 8, 11:58 pm)
Re: [LAU] Regular Xruns?, Arnold Krille, (Fri Aug 7, 12:58 pm)
Re: [LAU] Regular Xruns?, david, (Sat Aug 8, 10:13 pm)
Re: [LAU] Regular Xruns?, Ken Restivo, (Sat Aug 8, 2:16 am)
Re: [LAU] Regular Xruns?, Paul Davis, (Sun Aug 9, 11:36 am)
Re: [LAU] Regular Xruns?, David Baron, (Sun Aug 9, 11:57 am)
Re: [LAU] Regular Xruns?, James Stone, (Sun Aug 9, 11:41 am)
Re: [LAU] Regular Xruns?, Paul Davis, (Sun Aug 9, 12:36 pm)
Re: [LAU] Regular Xruns?, James Cameron, (Sun Aug 9, 11:37 pm)
Re: [LAU] Regular Xruns?, James Cameron, (Mon Aug 10, 2:43 am)
Re: [LAU] Regular Xruns?, David Baron, (Sun Aug 9, 11:59 am)
Re: [LAU] Regular Xruns?, Arnold Krille, (Sat Aug 8, 7:14 am)
Re: [LAU] Regular Xruns?, James Stone, (Fri Aug 7, 10:50 am)
Re: [LAU] Regular Xruns?, Ken Restivo, (Fri Aug 7, 2:05 am)
Re: [LAU] Regular Xruns?, Patrick Shirkey, (Fri Aug 7, 1:48 am)
Re: [LAU] Regular Xruns?, James Stone, (Fri Aug 7, 2:03 am)
Re: [LAU] Regular Xruns?, Peder Hedlund, (Thu Aug 6, 12:53 pm)
Re: [LAU] Regular Xruns?, Dave Phillips, (Thu Aug 6, 1:08 pm)
Re: [LAU] Regular Xruns?, cal, (Thu Aug 6, 12:51 pm)
Re: [LAU] Regular Xruns?, david, (Sat Aug 8, 10:04 pm)
Re: [LAU] Regular Xruns?, David Baron, (Thu Aug 6, 1:45 pm)
Re: [LAU] Regular Xruns?, Paul Davis, (Sun Aug 9, 11:28 am)
Re: [LAU] Regular Xruns?, James Cameron, (Sun Aug 9, 11:19 pm)