Re: [BUG] New Kernel Bugs

Thomas Gleixner
2007-11-13T22:47:20Z

On Tue, 13 Nov 2007, Mark Lord wrote:

> 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@gmail.com> 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

It's completely dead afterwards ?

tglx