Le 30/01/2013 21:01, Ralf Mardorf a écrit :
On Wed, 30 Jan 2013 20:47:57 +0100, dAgeCKo <dage...@free.fr> wrote:
Creative Labs X-Fi Titanium
I'm using a RME HDSPe AIO and still get xruns with 10.7 ms latency ;),
so even a much better card could be unable to handle such low latency as
you try too use. OTOH my two TerraTec 24/96 are ok with 10.7 ms. Btw. a
second hand TerraTec, such as mine, are less expensive than your card,
but for sure better for audio production.
FWIW, you can check if your card does share an IRQ and if so, unbind
devices that share the same IRQ. You should stop unneeded devices
As far as I can understand it, I do not have such issues (irq 44):
root@entropia:~/scripts/cpu# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 53 19 52 71 IO-APIC-edge timer
1: 1 1 1 0 IO-APIC-edge i8042
7: 1 0 0 0 IO-APIC-edge
8: 1 0 0 0 IO-APIC-edge rtc0
9: 0 0 0 0 IO-APIC-fasteoi acpi
12: 1 0 2 1 IO-APIC-edge i8042
17: 0 0 1 3 IO-APIC-fasteoi
ehci_hcd:usb1, ehci_hcd:usb4, ehci_hcd:usb5
18: 22581 22742 68987 72846 IO-APIC-fasteoi
ohci_hcd:usb6, ohci_hcd:usb7, ohci_hcd:usb8, ohci_hcd:usb9
19: 41280 41003 123853 129173 IO-APIC-fasteoi ahci
28: 14970 15247 46323 50552 IO-APIC-fasteoi
nvidia
44: 87926 88277 268464 287495 IO-APIC-fasteoi
snd_ctxfi
73: 188588 189921 572049 601316 PCI-MSI-edge
eth0-rx-0
74: 140659 131998 417161 477946 PCI-MSI-edge
eth0-tx-0
75: 0 0 0 3 PCI-MSI-edge eth0
76: 0 0 0 1 PCI-MSI-edge
xhci_hcd
77: 0 0 0 0 PCI-MSI-edge
xhci_hcd
78: 0 0 0 0 PCI-MSI-edge
xhci_hcd
79: 0 0 0 0 PCI-MSI-edge
xhci_hcd
80: 0 0 0 0 PCI-MSI-edge
xhci_hcd
NMI: 265 105 272 120 Non-maskable interrupts
LOC: 8464347 4543495 8488233 4718642 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 265 105 272 120 Performance
monitoring interrupts
IWI: 0 0 0 0 IRQ work interrupts
RES: 8283213 2149687 8138873 2137363 Rescheduling interrupts
CAL: 1488 1766 1281 1397 Function call
interrupts
TLB: 35278 44093 44809 40387 TLB shootdowns
TRM: 0 0 0 0 Thermal event
interrupts
THR: 0 0 0 0 Threshold APIC
interrupts
MCE: 0 0 0 0 Machine check
exceptions
MCP: 155 155 155 155 Machine check polls
ERR: 1
MIS: 0
If you're using rtirq, what's the output of /etc/init.d/rtirq status?
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