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SubjectRe: 2.6.9-mm1: NForce3 problem (IRQ sharing issue?)
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> Hi,
>
> I have a problem with 2.6.9-mm1 on an AMD64 NForce3-based box. Namely, after
> some time in X, USB suddenly stops working and sound goes off simultaneously
> (it's quite annoying, as I use a USB mouse ;-)). It is 100% reproducible and
> it may be related to the sharing of IRQ 5:
>
> rafael@albercik:~> cat /proc/interrupts
> CPU0
> 0: 3499292 XT-PIC timer
> 1: 7135 XT-PIC i8042
> 2: 0 XT-PIC cascade
> 5: 6945 XT-PIC NVidia nForce3, ohci_hcd
> 8: 0 XT-PIC rtc
> 9: 1416 XT-PIC acpi, yenta
> 10: 2 XT-PIC ehci_hcd
> 11: 37266 XT-PIC SysKonnect SK-98xx, yenta, ohci1394, ohci_hcd
> 12: 13781 XT-PIC i8042
> 14: 16 XT-PIC ide0
> 15: 23601 XT-PIC ide1
> NMI: 0
> LOC: 3498657
> ERR: 1
> MIS: 0
>
> (NVidia nForce3 is a sound chip, snd_intel8x0). After it happens I can't
> reboot the box cleanly (the ohci-hcd driver cannot be reloaded) and it does
> not leave any traces in the log.
>

Beats me. Does the interrupt count stop increasing?
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