Eben King wrote:
> So I was looking at /proc/interrupts tonight, and did some figurin', and
> came up with (blank location = onboard):
>
> IRQ driver device location
> 0 timer
> 1 i8042
> 2 (cascade)
> 3 serial
> 4
> 5
> 6
> 7
> 8 rtc
> 9 acpi
> 10 ehci_hcd:usb5
> eth0 ethernet card PCI3
> 11 ide2 "RAID" card PCI1
> uhci_hcd:usb1
> uhci_hcd:usb2
> uhci_hcd:usb3
> uhci_hcd:usb4
> aic7xxx SCSI card PCI2
> EMU10K1 SB Live! PCI4
> nvidia video AGP
> 12 i8042
> 13
> 14 ide0 optical drives
> 15 ide1 HD
>
> That seems a rather poor allocation to me, especially with all those
> things sharing IRQ11. OK, the SCSI card is barely used, but sharing the
> video with ide2 has got to be bad for both of their performances. Good
> thing PCI5 is empty, or it'd probably be there too.
>
> Anyhow, I'm thinking about getting a card that needs its own interrupt.
> Is there a way to change these assignments? Are they chosen by PCI slot?
>
Your going old school huh?
I haven't had a problem with IRQ sharing since ... circa 1999
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