Re: [BUG] New Kernel Bugs

[Mark Lord]

Thomas Gleixner wrote:
> On Tue, 13 Nov 2007, Mark Lord wrote:
>
> > > Andrew Morton wrote:
> > > > > On Mon, 12 Nov 2007 22:42:32 -0800 "Natalie Protasevich"
> > > > > <protasnb@xxxxxxxxx> wrote:
> > > ..
> > > > > > > with CONFIG_NO_HZ and/or CONFIG_HPET_TIMER set kernel 2.6.23 doesn't
> > > > > > > boot (ARM, Timer)
> > > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=9229
> > > > > > > Kernel: 2.6.23
> > > > > 
> > > > > No response from developers
> > > ..
>
> The bug report is bogus. ARM has no CONFIG_HPET_TIMER. 
>  
> > > Note:  that same bug exists/existed on i386 back when NO_HZ was
> > > introduced (2.6.21?).  I still see it from time to time on my Quad core
> > > system (very rare), but not any more on my Duo notebook where it used
> > > to happen about 1 in n boots (n < 10).
> > > 
> > > AFAICT no fix was ever released for it.
>
> Hmm, at which point does the boot stop ? 
..

Just as it prints out these messages, sometimes one of them,
sometimes both (or all four on the quad core):

kernel: switched to high resolution mode on cpu 1
kernel: switched to high resolution mode on cpu 0 

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