Nathanael Anderson wrote:
> I'm hoping I'll be able to find someone else with a similar setup that
> has overcome their problems to get realtime operation, at least in one
> direction, with no xruns.
> (edit)
> cat /proc/interrupts
> CPU0 CPU1
> 0: 20489426 0 XT-PIC-XT timer
> 1: 14552 0 XT-PIC-XT i8042
> 2: 0 0 XT-PIC-XT cascade
> 5: 0 0 XT-PIC-XT uhci_hcd:usb4
> 7: 2008 0 XT-PIC-XT ipw3945
> 8: 2 0 XT-PIC-XT rtc
> 9: 2930465 0 XT-PIC-XT acpi, uhci_hcd:usb3,
nvidia
> 10: 269 0 XT-PIC-XT uhci_hcd:usb1,
ehci_hcd:usb5
> 11: 1627576 0 XT-PIC-XT uhci_hcd:usb2, HDA Intel
> 12: 16281 0 XT-PIC-XT i8042
> 14: 60131 0 XT-PIC-XT libata
> 15: 64207 0 XT-PIC-XT libata
> 218: 1624641 0 PCI-MSI-edge eth0
> NMI: 0 0 Non-maskable interrupts
> LOC: 5672972 14563710 Local timer interrupts
> RES: 9766464 13228888 Rescheduling interrupts
> CAL: 46404 41727 function call interrupts
> TLB: 21123 35433 TLB shootdowns
> TRM: 0 0 Thermal event interrupts
> SPU: 0 0 Spurious interrupts
> ERR: 0
> MIS: 0
the most obvious problem here is that your intel hda is sharing its
interrupt with usb2.
try booting with noapic appended to the kernel line in your bootloader
menu and see if that makes a difference. (it did on my box)
> Setup:
> Dell M90 (intel-hda audio)
> Kernel 2.6.24 RT PREMPT SMP from gentoo pro-audio feed
> quadro 1500fx with nvidia driver (i'd really like to keep this driver,
> unless compiz works now with the nv driver)
>
i have the notion that the nvidia binary driver doesnt work too well
with RT. others here may be able to confirm that or otherwise
checkout: http://tapas.affenbande.org/wordpress/ for excellent info on
RT setup and also:
http://irc.esben-stien.name/mediawiki/index.php/Setting_Up_Real_Time_Operation_on_GNU/Linux_Systems
hope the above was of some use, report back,
cheers G.
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Received on Mon Mar 24 00:15:02 2008
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