Re: ERR in /proc/interrupts

From: Andreas Schwarz (usenet.2117_at_andreas-s.net)
Date: 09/30/03

  • Next message: Thomas Schlichter: "Re: [PATCH] document optimizing macro for translating PROT_ to VM_ bits" 
    To: linux-kernel@vger.kernel.org
Date:	Tue, 30 Sep 2003 10:34:31 +0000 (UTC)

    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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  • Next message: Thomas Schlichter: "Re: [PATCH] document optimizing macro for translating PROT_ to VM_ bits"

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