Re: Broken MP table detected ...

From: Wilkinson, Alex <alex.wilkinson_at_dsto.defence.gov.au>
Date: Fri, 23 Sep 2005 12:16:16 +0930
    0n Wed, Sep 21, 2005 at 04:40:36PM -0400, John Baldwin wrote: 

    >On Monday 19 September 2005 08:55 pm, Scott Long wrote:
    >> Wilkinson, Alex wrote:
    >> > Can anyone tell me what the following means, and how to fix it:
    >> >
    >> >     APIC_IO: Testing 8254 interrupt delivery
    >> >     APIC_IO: Broken MP table detected: 8254 is not connected to IOAPIC #0
    >> > intpin 2 APIC_IO: routing 8254 via 8259 and IOAPIC #0 intpin 0
    >> >
    >> >  - aW
    >>
    >> It means that you need to use 6.0 instead of 5.x =-)  It represents the
    >> old way that we connected the timecounters, which apparently isn't well
    >> supported with newer amd64 boards.  6.0 solves this problem by using a
    >> better supported mechanism.
    >
    >Actually, this is a 4.x method and it basically means that it has fallen back 
    >to mixed mode for IRQ0.  6.0 certainly does this better.  5.x just uses mixed 
    >mode by default.

John, what is mixed mode ?

 - aW
Received on Fri Sep 23 2005 - 00:55:59 UTC

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