Re: [Xen-devel] no-carrier on qlogic 8242 10gig with linux 3.x running xen

[Kristoffer Harthing Egefelt <k@xxxxxxx>]

>The IRQs listed when querying the hardware are the Xen IRQs, not dom0 IRQs.
>You can find the mapping with the 'i' debug key.

>If you are using xl, then something like:
>  xl debug-keys 'i'
>  xl dmesg | less

Good stuff - but can you explain how come, in the BIOS, the NIC and the RAID
controller share IRQ 15, but in /proc/interrupts they have different irqs:

  16:       6326  xen-pirq-ioapic-level  megasas
  38:      83524 xen-pirq-ioapic-level  eth0[0], eth1[0]
 
Does this mean that there shouldn't be any interrupt collisions using
pci=nomsi ?

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