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

[Niclas Gustafsson]

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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