[Fwd: Interrupts question]

John Baldwin jhb at freebsd.org
Mon Jul 17 16:25:54 UTC 2006

On Monday 17 July 2006 10:22, Alex Zbyslaw wrote:
> No responses from questions at .  Anyone here understand what's going on?  
> Thanks].
> __
> I was monitoring a machine with "systat -vmstat" and noticed something
> about the interrupts and I don't know if it's a problem or not. If it
> is a problem, is there anything I can do about it?
> The interrupts for the network interface (em0) on irq 64 exactly match
> those for a uhc device on irq 16.
> And the interrupts for the hardware raid (amr) on irq 46 exactly match
> those for a uhc device on irq 18.
> The machine is a Dell 2850 running 5.4. Relevant bits from the dmesg are:

FAQ.  It's due to brain damage in the Intel PCIX hubs and can't be fixed

John Baldwin

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