Julien Heyman wrote:
> On Friday 28 July 2006 23:32, Gilles Chanteperdrix wrote:
> > Julien Heyman wrote:
> > > > Losing too many ticks!
> > > > TSC cannot be used as a timesource. ~
> > > > Possible reasons for this are:
> > > > ~ You're running with Speedstep,
> > > > ~ You don't have DMA enabled for your hard disk (see hdparm),
> > > > ~ Incorrect TSC synchronization on an SMP system (see dmesg).
> > > > Falling back to a sane timesource now.
> > > >
> > > > Do you see such message in kernel logs ?
> > >
> > > No, I don't get any of these.
> > >
> > > > If this is the issue you are having, then you may try passing
> > > > idle=poll on kernel boot line. Or recompile the kernel selecting a
> > > > processor that has no tsc (for example 486), xenomai will then use the
> > > > 8254 counter to emulate the tsc.
> > >
> > > I tried to rebuild with CPU=486, but it gives the same result.
> >
> > Did you try booting with the idle=poll option ? Also, could you try
> > re-enabling ACPI, except the "processor" module ?
>
> I tried both, without success.
> My quest goes on... :/
You should look, if possible, for the way of disabling SMIs on the
chipset you are using, xenomai built-in smi workaround works only for
intel chipsets.
--
Gilles Chanteperdrix.
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