Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325,related to clockevents

From: Thomas Gleixner
Date: Tue Sep 25 2007 - 05:30:30 EST


Rafael,

On Tue, 2007-09-25 at 10:07 +0200, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 10:14 +0400, Mikhail Kshevetskiy wrote:
> > Hello Thomas, Rafael
> >
> > > We know, that
> > > - disabling local apic timers work
> >
> > As i can see from the log, you are booting on computer with dualcore AMD
> > processor. Do you have C1E feature enabled?
> >
> > i386 kernel disable lapic on dualcore AMD with C1E support (see
> > http://lkml.org/lkml/2007/3/29/199). x86_64 kernel do not have this
> > patch still (it's required for tickless kernel only).
>
> Well it is required for non tickless mode as well.
>
> > As result, if
> > you run x86_64 kernel with hrt patch on such computer, the system
> > will stall during boot on lapic timer calibration.
>
> Thanks for the reminder. I have a look into this.

Can you please boot mainline and provide the output of:

# cat /proc/interrupts; sleep 10; cat /proc/interrupts

Thanks,

tglx


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