Re: ERR in /proc/interrupts

[Andreas Schwarz]

Christian wrote:
> Andreas Schwarz wrote:
>> I get a very high ERR count in /proc/interrupts. If I move my USB mouse
>> the number increases.
>> 
>> What does ERR mean? Nothing good, I suppose?
>> 
>
> ../Documentation/filesystems/proc.txt says:
>
> ERR is incremented in the case of errors in the IO-APIC bus (the bus 
> that connects the CPUs in a SMP system. This means that an error has 
> been detected, the IO-APIC automatically retry the transmission, so it 
> should not be a big problem, but you should read the SMP-FAQ.

I don't have a SMP kernel. I compiled the kernel with IO APIC support,
but disabled it later with the noapic kernel boot option.

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