Re: Failing back to INSANE timesource :) Time stopped today.

From: Niclas Gustafsson (niclas.gustafsson_at_codesense.com)
Date: 04/15/04

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    To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Date:	Thu, 15 Apr 2004 18:57:59 +0200

    Hello and thanks,

    I've compiled and deployed a kernel with the patch below.
    I'm about to start some more tests on the machine - it's going to be
    interesting to see how it works out, I'll let you know.

    Cheers,

    Niclas
      

    tor 2004-04-15 klockan 16.47 skrev Maciej W. Rozycki:
    > On Wed, 14 Apr 2004, Niclas Gustafsson wrote:
    >
    > > Watching the /proc/interrupts with 10s apart after the "stop".
    > >
    > > [root@s151 root]# more /proc/interrupts
    > > CPU0
    > > 0: 66413955 local-APIC-edge timer
    > [...]
    > > LOC: 67355837
    > > ERR: 0
    > > MIS: 0
    > > [root@s151 root]# more /proc/interrupts
    > > CPU0
    > > 0: 66413955 local-APIC-edge timer
    > [...]
    > > LOC: 67379568
    > > ERR: 0
    > > MIS: 0
    >
    > This may be because buggy SMM firmware messes with the 8259A (configured
    > for a transparent mode -- yes that rare "local-APIC-edge" mode is tricky
    > ;-) ) insanely. You've written this is an IBM box previously -- this
    > would be no surprise. The following patch should help -- I think it's
    > already included in the -mm series.

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